View source for List of mergers and acquisitions by IBM

{{short description|Wikimedia list article}}
[[File:IBM logo.svg|thumb|IBM logo]]
[[Company:IBM|IBM]] has undergone a large number of [[Social:Mergers and acquisitions|mergers and acquisitions]] during a corporate history lasting over a century; the company has also produced a number of [[Finance:Corporate spin-off|spinoffs]] during that time.

The [[Finance:Takeover|acquisition]] date listed is the date of the agreement between IBM and the subject of the acquisition. The value of each acquisition is listed in USD because IBM is based in the {{wipe|United States}}. If the value of an acquisition is not listed, then it is undisclosed.

Many of the companies listed in this article had subsidiaries of their own who had subsidiaries who ...  For examples, see Pugh's book ''Building IBM'', page 26.<ref>{{cite book |last= Pugh |first= Emerson W. |title= Building IBM |publisher= MIT |year= 1995 |page=26}}</ref>

==Precursors 1889–1910==

[[Biography:Herman Hollerith|Herman Hollerith]] initially did business under his own name, as ''The Hollerith Electric Tabulating System'', specialising in [[Engineering:Punched card|punched card]] [[Engineering:Unit record equipment|data processing equipment]].<ref>Austrian, 1982, p. 153.</ref> In 1896 he incorporated as the ''Tabulating Machine Company''.

*1889 Bundy Manufacturing Company incorporated.
*1891 Computing Scale Company incorporated.
*1893 Dey Patents Company (soon renamed the Dey Time Register Company) incorporated.
*1894 Willard & Frick Manufacturing Company (Rochester, New York) incorporated.
*1896
**Detroit Automatic Scale Company incorporated.
**Hollerith incorporates the Tabulating Machine Company. Will be reincorporated in 1905.
*1899 Standard Time Stamp Company acquired by Bundy Manufacturing Company.
*1900
**International Time Recording Company incorporated, acquiring the time-recording business of the Bundy Manufacturing Company and the Willard & Frick Manufacturing Company (Rochester).
**Chicago Time-Register Company acquired by International Time Recording Company.
**Dayton Moneyweight Scale Company acquired by Computing Scale Company.
**Detroit Automatic Scale Company acquired by Computing Scale Company.
*1905 Hollerith reincorporates as ''The Tabulating Machine Company''.<ref>Engelbourg, 1954, p. 52.</ref>
*1907 Dey Time Register Company acquired by International Time Recording Company.
*1908 Syracuse Time Recorder Company acquired by International Time Recording Company.

==Computing-Tabulating-Recording Company, 1911 ==
Since the 1960s or earlier, IBM has described its formation as a merger of three companies: The Tabulating Machine Company (1880s origin in Washington, DC), the International Time Recording Company (ITR; 1900, Endicott), and the Computing Scale Company of America (1901, Dayton, Ohio).<ref>Austrian (1982) p.312</ref><ref>Belden, Martin; Belden, Marva (1961). ''The Lengthening Shadow - The Life of Thomas J. Watson'', Little, Brown; p.92</ref><ref name=IBMArchive>{{cite web|url=http://www-03.ibm.com/ibm/history/exhibits/logo/logo_4.html| title=IBM Archives: Computing-Tabulating-Recording Company (1911-1924)}}</ref> However, there was no merger, it was an [[Finance:Consolidation (business)|amalgamation]], and an amalgamation of four, not three, companies.<ref name=nytimes>[https://timesmachine.nytimes.com/timesmachine/1911/06/10/104783303.pdf NY Times June 10, 1911 ''Tabulating Concerns Unite: Flint & Co. Bring Four Together with $19,000,000 capital'']</ref> The 1911 CTR [[Finance:Stock|stock]] [[Finance:Prospectus|prospectus]] states that the Bundy Manufacturing Company was also included.<ref name="USInvestor1911">{{cite book |last1= Bennett|first1= Frank P. |author2=Company  |title= United States Investor |volume= 22, Part 2 |date=17 June 1911 |page=1298 (26) | url=https://books.google.com/books?id=BQkhAQAAMAAJ&q=hollerith+intitle%3Ainvestor&pg=RA4-PA26  }}</ref>
While ITR had acquired its time recording business in 1900 Bundy had remained a separate entity producing an adding machine and other wares.  
*The Tabulating Machine Company
*Computing Scale Corporation
*International Time Recording Company
*Bundy Manufacturing Company

CTR owned the stock of the four companies; CTR neither produced nor sold any product; the four companies continued to operate, as before, under their own names.

==Acquisitions during 1912–1999==
{{col-begin}}
{{col-2}}

=== 1912–1929 ===
*1917
**American Automatic Scale Company acquired as International Scale Company.
**CTR consolidates three already-existing Canadian companies: The Canadian Tabulating Machine Co., Ltd, the International Time Recording Co. of Canada, Ltd., and the Computing Scale Co. of Canada, Ltd., in a new holding company, International Business Machines Co., Ltd.<ref>Moody's 1918 Manual of Railroads and Corporation Securities</ref>
*1921
**Pierce Accounting Machine Company (asset purchase).
**Ticketograph Company (of Chicago).
*1923
**Dehomag<ref>{{cite book | last = Aspray (ed.) |first = William | title = Computing Before Computers |publisher = Iowa State University Press | year = 1990 |isbn = 0-8138-0047-1 |page = 137}}</ref>
*1924
**CTR was renamed "IBM".

===1930–1949===
*1930 Automatic Accounting Scale Company.
*1932 National Counting Scale Company.
*1933 The separate companies were integrated in 1933 as IBM and the holding company eliminated.<ref>{{cite book |last= Rodgers |first= Williams |title= THINK |publisher= Stein and Day |year= 1969 |page=83}}</ref>
*1933 Electromatic Typewriters Inc. (See: IBM Electromatic typewriter)
*1941 Munitions Manufacturing Corporation.

===1950–1969===
*1959 Pierce Wire Recorder Corporation.
*1964 Science Research Associates.

===1970–1989===
*1974 CML Satellite Corporation; renamed [[Company:Satellite Business Systems|Satellite Business Systems]] (SBS).
*1984 [[Company:ROLM|ROLM]]
*1986 RealCom Communications Corporation.
{{col-2}}

===1990–1999===
*1993
**CGI Informatique (France), bought in 1993, ran independently until 1996, and was then progressively absorbed by IBM, country by country, this process being achieved in 1999.
*1994
**Transarc (Transarc Corporation bought by IBM in 1994, became part of IBM proper in 1999 as the IBM Pittsburgh Lab)<ref>{{cite web | title = Acquisition To Bolster Ibm's Networking | work = Bloomberg Business News | publisher = SunSentinel.com | date = 17 August 1994 | url = http://articles.sun-sentinel.com/1994-08-17/business/9408160445_1_transarc-transaction-processing-ibm | access-date =  2 November 2011}}</ref>
*1995
**[[Company:Lotus Software|Lotus Development Corporation]] for $3.5 billion.
**[[Company:Information Systems Management Canada|Information Systems Management Canada (ISM Canada)]]
**K3 Group Ltd.
*1996
**Wilkerson Group
**Tivoli Systems, Inc. for $743 million.
**Data Sciences Ltd, prior to 1991 comprising ''Thorn EMI Software'', ''Datasolve'' and the Corporate Management Services Division of Thorn EMI, for £95 million.<ref name=GT-1996-33-01/>
**Object Technology International (OTI) is acquired by IBM
**Cyclade Consultants (Netherlands)
**Fairway Technologies
**Professional Data Management, Inc. / LifePRO<ref>[http://www.insurancetech.com/pdma-acquires-lifepro-assets-from-ibm/d/d-id/1307155d41d.html PDMA Acquires LifePRO Assets from IBM (March 03 2001)]</ref>
*1997
**Software Artistry for $200 million.
**Unison Software.
**Dominion Semiconductor (Manassas, VA) is created by forming a 50/50 joint venture with Toshiba to produce 64MB and 256MB DRAM chips.  Administrative offices are located in Building 131 the former IBM Federal Systems campus now primarily owned by Lockheed Martin; the new state-of-the-art fabrication facility was built from on adjacent land.
*1998 
**CommQuest Technologies.
**DataBeam Corporation, Lexington, KY
**[[Company:Ubique|Ubique Ltd.]], Israel
*1999
**Dascom Technologies (USA), A subsidiary of Dascom Holdings.
**Mylex Corporation.
**[[Company:Sequent Computer Systems|Sequent Computer Systems]] for $810 million.
{{col-end}}

==Acquisitions since 2000==
Number of acquisitions per year according to table below:
* In 2020 IBM acquired 5 companies
* In 2019 IBM acquired 1 companies
* In 2018 IBM acquired 3 companies
* In 2017 IBM acquired 3 companies
* In 2016 IBM acquired 12 companies
* In 2015 IBM acquired 13 companies
* In 2014 IBM acquired 4 companies
* In 2013 IBM acquired 9 companies
* In 2012 IBM acquired 9 companies
* In 2011 IBM acquired 8 companies

{| class="wikitable sortable"
|-
! style="width:125px;"|Acquired on
!Company
!Business
!width="60"|Country
! class="wikitable sortable" style="width:100px;"|Value (USD) 
! class="unsortable" style="width:75px;"|References
|-
| {{dts|2001|June|7}}
| Mainspring
| Business strategy consulting
| {{flag|USA}}
| style="text-align:right;"| ${{val|80000000}}
| style="text-align:center;"| <ref>{{cite press release | title = IBM Completes Mainspring Acquisition | publisher = [[Company:IBM|IBM]] | date = 2001-06-07 | url =http://www-03.ibm.com/press/us/en/pressrelease/1219.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2001|July|2}}
| [[Software:Informix|Informix Corporation]]
| Database software
| {{flag|USA}}
| style="text-align:right;"| ${{nts|1000000000}}
| style="text-align:center;"| <ref>{{cite press release | title = IBM Completes Acquisition of Informix Database Assets | publisher = [[Company:IBM|IBM]] | date = 2001-07-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/1174.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Jan|14}}
| CrossWorlds Software, Inc.
| [[Software]]
| {{flag|USA}}
| style="text-align:right;"| ${{nts|129000000}}
| style="text-align:center;"| <ref>{{cite press release | title = IBM buys CrossWorlds Software for $129 million | publisher = ComputerWorld | date = 2002-01-14 | url =https://www.computerworld.com/article/2584852/ibm-buys-crossworlds-software-for--129-million.html | access-date = 2021-05-17}}</ref>
|-
| {{dts|2002|June|25}}
| Metamerge
| [[Identity management]]
| {{flag|NOR}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Metamerge, Adds Directory Integration Software to IBM's Infrastructure Portfolio | publisher = [[Company:IBM|IBM]] | date =2002-06-25 | url =http://www-03.ibm.com/press/us/en/pressrelease/631.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Aug|19}}
| Trellisoft, Inc.
| Enterprise storage
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires TrelliSoft, Extends Leadership in Storage Management Software Market | publisher = [[Company:IBM|IBM]] | date =2002-08-29 | url =http://www-03.ibm.com/press/us/en/pressrelease/547.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Sep|12}}
| [[Company:Holosofx|Holosofx, Inc.]]
| Business Process Management
| {{flag|USA}}, {{flag|EGY}} 
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Holosofx to Extend WebSphere Business Integration Software Portfolio | publisher = [[Company:IBM|IBM]] | date =2002-09-12 | url = http://www-03.ibm.com/press/us/en/pressrelease/534.wss| access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Oct|2}}
| PWC Consulting from [[Company:PricewaterhouseCoopers|PricewaterhouseCoopers]]
| Business Consulting and Technology Services
| {{flag|USA}}
| style="text-align:right;"| ${{nts|3500000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM, PricewaterhouseCoopers Complete Sale of PwC Consulting | publisher = [[Company:IBM|IBM]] | date =2002-10-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/491.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Oct|6}}
| Access360
| [[Software]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Access360 | publisher = [[Company:IBM|IBM]] | date =2002-09-03 | url =http://www-03.ibm.com/press/us/en/pressrelease/545.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Oct|7}}
| EADS Matra Datavision
| Product lifecycle management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire EADS Matra Datavision | publisher = [[Company:IBM|IBM]] | date =2002-10-07 | url =http://www-03.ibm.com/press/us/en/pressrelease/481.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2002|Nov|15}}
| Tarian Software
| Records Management
| {{flag|CAN}}
| 
| style="text-align:center;"| <ref>{{cite press release | title = IBM Completes Acquisition Of Tarian Software| publisher = [[Company:IBM|IBM]] | date =2002-11-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/428.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|Feb|21}}
| Rational Software Corporation
| Software Development
| {{flag|USA}}
| style="text-align:right;"| ${{nts|2100000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Rational Software | publisher = [[Company:IBM|IBM]] | date =2003-02-21 | url =http://www-03.ibm.com/press/us/en/pressrelease/314.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|May|14}}
| Think Dynamics
| [[Software]]
| {{flag|CAN}}
| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Think Dynamics | publisher = [[Company:IBM|IBM]] | date =2003-05-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/214.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|July|1}}
| Information Laboratory
| [[Software]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title = Missing Ref | publisher = [[Company:IBM|IBM]] }}</ref>
|-
| {{dts|2003|July|15}}
| Aptrix
| [[Software]]
| {{flag|AUS}}
| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Aptrix; Strengthens its Software Portfolio with Web Content Management Software | publisher = [[Company:IBM|IBM]] | date =2003-07-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/5531.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|Oct|17}}
| CrossAccess Corporation
| Enterprise Information Integration
| {{flag|USA}}
| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire CrossAccess Technology, Extends Leadership in Information Integration | publisher = [[Company:IBM|IBM]] | date =2003-10-14 | url =http://www-03.ibm.com/press/us/en/pressrelease/6140.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|Nov|13}}
| Productivity Solutions, Inc.
| Automated Self-Checkout Systems
| {{flag|USA}}
| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Retail Self-Checkout Leader, PSI | publisher = [[Company:IBM|IBM]] | date =2003-11-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/6335.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2003|Dec|17}}
| Green Pasture Software, Inc.
| Content management software
| {{flag|USA}}
| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Green Pasture Software, Extends Leadership in Enterprise Content Management | publisher = [[Company:IBM|IBM]] | date =2003-12-17 | url =http://www-03.ibm.com/press/us/en/pressrelease/6504.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|April|6}}
| Trigo Technologies
| Product information management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Trigo Technologies | publisher = [[Company:IBM|IBM]] | date =2004-04-06 | url =http://www-03.ibm.com/press/us/en/pressrelease/6968.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|April|7}}
| Daksh e-Services
| BPO Services
| {{flag|IND}}
| style="text-align:right;"| ${{nts|170000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM in $170m Indian call centre deal | publisher =[[Company:IBM|IBM]] | date =2004-04-07 | url =http://www-935.ibm.com/services/us/gbs/bus/html/dakshnews_07apr04-ft.html | access-date =2008-10-27 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
|-
| {{dts|2004|April|13}}
| Business Continuity Services unit of Schlumberger
| IT Services
| {{flag|FRA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires the Business Continuity Services unit of Schlumberger | publisher = [[Company:IBM|IBM]] | date =2004-04-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/6998.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|June|7}}
| Candle Corporation
| Infrastructure management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Candle Corporation | publisher = [[Company:IBM|IBM]] | date =2004-06-07 | url =http://www-03.ibm.com/press/us/en/pressrelease/7160.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|July|14}}
| Alphablox Corporation
| Business Intelligence
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Alphablox Corporation, Strengthens Leadership in Business Intelligence | publisher = [[Company:IBM|IBM]] | date =2004-07-14 | url =http://www-03.ibm.com/press/us/en/pressrelease/7223.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|July|29}}
| Cyanea Systems
| Application management software
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire Cyanea | publisher = [[Company:IBM|IBM]] | date =2004-07-29 | url =http://www-03.ibm.com/press/us/en/pressrelease/7245.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|Oct|7}}
| Venetica
| Enterprise Information Integration
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Venetica | publisher = [[Company:IBM|IBM]] | date =2004-10-07 | url =http://www-03.ibm.com/press/us/en/pressrelease/7327.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|Nov|19}}
| Systemcorp ALG Ltd.
| Project Portfolio Management (PPM) software
| {{flag|CAN}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Systemcorp | publisher = [[Company:IBM|IBM]] | date =2004-12-19 | url =http://www-03.ibm.com/press/us/en/pressrelease/7410.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|Nov|23}}
| Liberty Insurance Services
| [[Finance:Business process|Business process]] services
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Liberty Insurance Services | publisher = [[Company:IBM|IBM]] | date =2004-11-23 | url =http://www-03.ibm.com/press/us/en/pressrelease/7415.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|Dec|1}}
| Maersk Data and DMdata from Maersk
| IT Services
| {{flag|DEN}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Increases Consulting and IT Services Capability with Acquisitions and Seals Services Deals Worth in Excess of $1 Billion | publisher = [[Company:IBM|IBM]] | date =2004-12-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/7432.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2004|Dec|13}}
| KeyMRO
| [[Social:Procurement|Procurement]] Services
| {{flag|FRA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire KeyMRO, Procurement Services Leader in Europe and North America | publisher = [[Company:IBM|IBM]] | date =2004-12-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/7455.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Jan|7}}
| Systems Research & Development 
| [[Identity management]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires SRD, Breaks New Ground in Identity Resolution Software | publisher = [[Company:IBM|IBM]] | date =2005-01-07 | url =http://www-03.ibm.com/press/us/en/pressrelease/7471.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|March|16}}
| Corio
| Application Services
| {{flag|USA}}
| style="text-align:right;"| ${{nts|182000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Corio | publisher = [[Company:IBM|IBM]] | date =2005-03-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/7567.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|April|29}}
| Ascential Software Corporation
| Enterprise Information Integration
| {{flag|USA}}
| style="text-align:right;"| ${{nts|1100000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition Of Ascential Software | publisher = [[Company:IBM|IBM]] | date =2005-05-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/7642.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|May|10}}
| Gluecode Software
| Application Server
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Gluecode Software; Acquisition Builds On IBM Support For Open Source Technology; Expands Customer And Business Partner Choice For WebSphere Software | publisher = [[Company:IBM|IBM]] | date =2005-05-10 | url =http://www-03.ibm.com/press/us/en/pressrelease/7658.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|June|23}}
| Meiosys
| Application Management
| {{flag|USA}}, {{flag|FRA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Meiosys | publisher = [[Company:IBM|IBM]] | date =2005-06-23 | url =http://www-03.ibm.com/press/us/en/pressrelease/7755.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|July|25}}
| PureEdge Solutions, Inc.
| [[Electronic document|Electronic Forms]]
| {{flag|CAN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Formally Acquires PureEdge Solutions Inc., Pledges Support for Emerging Electronic Forms Standard Called Xforms | publisher = [[Company:IBM|IBM]] | date =2005-08-05 | url =http://www-03.ibm.com/press/us/en/pressrelease/7820.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|July|27}}
| Isogon Corporation
| Asset Management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Isogon Corporation | publisher = [[Company:IBM|IBM]] | date =2005-07-27 | url =http://www-03.ibm.com/press/us/en/pressrelease/7811.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Aug|2}}
| DWL
| Enterprise Information Integration
| {{flag|USA}}, {{flag|CAN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Formally Acquires DWL, Enhancing Data Integration Portfolio | publisher = [[Company:IBM|IBM]] | date =2005-09-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/7867.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Oct|14}}
| DataPower Technology, Inc.
| Service Oriented Architecture (SOA)
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =http://www-03.ibm.com/press/us/en/pressrelease/7952.wss | publisher = [[Company:IBM|IBM]] | date =2005-10-18 | url =http://www-03.ibm.com/press/us/en/pressrelease/7934.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Nov|1}}
| iPhrase Systems, Inc.
| Information management software
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires the Business of iPhrase Systems, Inc. | publisher = [[Company:IBM|IBM]] | date =2005-11-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/7952.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Nov|10}}
| Network Solutions Pvt Ltd
| IT Services
| {{flag|IND}}
| style="text-align:right;"| 
| style="text-align:center;"| 
|-
| {{dts|2005|Nov|15}}
| Collation, Inc.
| [[Network management]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Collation | publisher = [[Company:IBM|IBM]] | date =2005-11-16 | url =http://www-306.ibm.com/software/tivoli/welcome/collation/press.html | access-date = 2008-06-02}}</ref>
|-
| {{dts|2005|Dec|20}}
| Bowstreet, Inc.
| Portal-based tools
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Bowstreet, Inc. to Help Customers Quickly Create Portals that Integrate Existing Business Applications | publisher = [[Company:IBM|IBM]] | date =2005-12-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/19064.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Jan|27}}
| [[Software:Argus (monitoring software)|ARGUS Semiconductor Software]] From INFICON
| [[Physics:Semiconductor|Semiconductor]] Manufacturing software
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires ARGUS Semiconductor Software From INFICON | publisher = [[Company:IBM|IBM]] | date =2006-01-27 | url =http://www-03.ibm.com/press/us/en/pressrelease/19160.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Jan|20}}
| CIMS Lab, Inc.
| IT Financial Management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires CIMS Lab, Inc. | publisher = [[Company:IBM|IBM]] | date =2006-01-25 | url =http://www-03.ibm.com/press/us/en/pressrelease/19153.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Feb|8}}
| Viacore, Inc.
| [[Social:Supply chain optimization|Supply chain optimization]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Enhance Its Supply Chain BTO Offering | publisher = [[Company:IBM|IBM]] | date =2006-02-08 | url =http://www-03.ibm.com/press/us/en/pressrelease/19228.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Feb|14}}
| [[Company:Micromuse|Micromuse, Inc.]]
| [[Network management]]
| {{flag|USA}}
| style="text-align:right;"| ${{nts|865000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Micromuse Inc. | publisher = [[Company:IBM|IBM]] | date =2006-02-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/19247.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|March|16}}
| Language Analysis Systems
| [[Identity management]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =Ibm To Acquire Language Analysis Systems, Inc. | publisher = [[Company:IBM|IBM]] | date =2006-03-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/19394.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|May|2}}
| BuildForge, Inc.
| Software Development
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires BuildForge, Inc. to Help Organizations Meet Compliance Demands | publisher = [[Company:IBM|IBM]] | date =2006-05-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/19604.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|May|5}}
| Unicorn Solutions, Inc.
| [[Metadata|Metadata management]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires the Business of Unicorn Solutions, Inc. | publisher =[[Company:IBM|IBM]] | date =2006-05-08 | url =http://www-01.ibm.com/software/swnews/swnews.nsf/n/hhal6pgmpm?OpenDocument&Site=software | access-date =2008-06-02 | url-status =dead | archive-url =https://web.archive.org/web/20080619024008/http://www-01.ibm.com/software/swnews/swnews.nsf/n/hhal6pgmpm?OpenDocument&Site=software | archive-date =2008-06-19 }}</ref>
<ref>{{cite press release|title=IBM Acquires the Business of Unicorn Solutions, Inc. Archived version from web.archive.org |publisher=[[Company:IBM|IBM]] |date=2008-06-19 |url=http://www-01.ibm.com/software/swnews/swnews.nsf/n/hhal6pgmpm?OpenDocument&Site=software |access-date=2008-06-02 |url-status=bot: unknown |archive-url=https://web.archive.org/web/20080619024008/http://www-01.ibm.com/software/swnews/swnews.nsf/n/hhal6pgmpm?OpenDocument&Site=software |archive-date=2008-06-19 }}</ref>

|-
| {{dts|2006|June|27}}
| Rembo Technology
| [[Software:Installation (computer programs)|Installation Software]]
| {{flag|SUI}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire Rembo Technology to Automate Software Installation | publisher = [[Company:IBM|IBM]] | date =2006-05-18 | url =http://www-306.ibm.com/software/tivoli/welcome/rembo/press.html | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Aug|1}}
| Webify Solutions, Inc
| Service Oriented Architecture software
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Webify | publisher = [[Company:IBM|IBM]] | date =2006-08-02| url =http://www-03.ibm.com/press/us/en/pressrelease/20058.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Sep|6}}
| Global Value Solutions
| IT Services
| {{flag|BRA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Full Ownership of Brazilian SMB Services Firm Global Value Solutions | publisher = [[Company:IBM|IBM]] | date =2006-09-06| url =http://www-03.ibm.com/press/us/en/pressrelease/20206.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Oct|4}}
| DORANA product line from Ubiquity Pty Limited
| Asset Management
| {{flag|AUS}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Ubiquity's DORANA Product Line | publisher = [[Company:IBM|IBM]] | date =2006-10-04 | url =http://www-03.ibm.com/press/us/en/pressrelease/20389.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Oct|5}}
| MRO Software
| Asset Management
| {{flag|USA}}
| style="text-align:right;"| ${{nts|740000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of MRO Software, Inc. | publisher = [[Company:IBM|IBM]] | date =2006-10-05 | url =http://www-03.ibm.com/press/us/en/pressrelease/20397.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Oct|12}}
| FileNet Corporation
| Content management software
| {{flag|USA}}
| style="text-align:right;"| ${{nts|1600000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of FileNet Corporation | publisher = [[Company:IBM|IBM]] | date =2006-10-12 | url =http://www-03.ibm.com/press/us/en/pressrelease/20429.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Oct|20}}
| Internet Security Systems (ISS)
| [[Information security]]
| {{flag|USA}}
| style="text-align:right;"| ${{nts|1300000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Internet Security Systems | publisher = [[Company:IBM|IBM]] | date =2006-10-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/20468.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2006|Oct|20}}
| Palisades Technology Partners
| [[Social:Management consulting|Management consulting]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes the Acquisition of Palisades Technology Partners | publisher = [[Company:IBM|IBM]] | date =2006-11-10 | url =http://www-03.ibm.com/press/us/en/pressrelease/20598.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Jan|22}}
| Consul Risk Management, Inc.
| [[Information security]]
| {{flag|NED}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Consul | publisher = [[Company:IBM|IBM]] | date =2007-01-24 | url =http://www-03.ibm.com/press/us/en/pressrelease/20964.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Feb|13}}
| Vallent Corporation
| Telecommunications Management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Vallent | publisher = [[Company:IBM|IBM]] | date =2007-02-14 | url =http://www-03.ibm.com/press/us/en/pressrelease/21076.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|March|1}}
| Softek Storage Solutions Corporation
| Data Mobility
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Softek | publisher = [[Company:IBM|IBM]] | date =2007-03-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/21164.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|March|18}}
| BlackDot Networks, Inc.
| Enterprise Data Consulting
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| 
|-
| {{dts|2007|April|20}}
| Unicible
| IT Services
| {{flag|SWI}}
| style="text-align:right;"| ${{nts|460000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM and Switzerland's Banque Cantonale Vaudoise in $460 Million, 5-Year Services Agreement | publisher = [[Company:IBM|IBM]] | date =2007-04-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/21397.wss | access-date = 2010-09-27}}</ref>
|-
| {{dts|2007|July|20}}
| Watchfire Corporation
| Security Software Testing
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Watchfire | publisher = [[Company:IBM|IBM]] | date =2007-07-23 | url =http://www-03.ibm.com/press/us/en/pressrelease/21921.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Aug|21}}
| WebDialogs
| Web conferencing and communications
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires WebDialogs to Expand Web Conferencing Capabilities in Industry-Leading Lotus Sametime | publisher = [[Company:IBM|IBM]] | date =2007-08-22 | url =http://www-03.ibm.com/press/us/en/pressrelease/22210.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Aug|31}}
| DataMirror Corporation
| Change Data Capture
| {{flag|CAN}}
| style="text-align:right;"| {{nts|161000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of DataMirror | publisher = [[Company:IBM|IBM]] | date =2007-09-04 | url =http://www-03.ibm.com/press/us/en/pressrelease/22282.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Sept|7}}
| Qinnova, Inc.
| Internet Protocol Television (IPTV)
| {{flag|CAN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Formally Acquires PureEdge Solutions Inc., Pledges Support for Emerging Electronic Forms Standard Called Xforms | publisher = [[Company:IBM|IBM]] | date =2005-09-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/7820.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Sep|10}}
| Princeton Softech, Inc.
| Business Intelligence
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Princeton Softech | publisher = [[Company:IBM|IBM]] | date =2007-09-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/22318.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2007|Oct|24}}
| NovusCG
| Storage Consulting and Technology Services
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Storage Solutions Company NovusCG | publisher = [[Company:IBM|IBM]] | date =2007-10-24 | url =http://www-03.ibm.com/press/us/en/pressrelease/22476.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Jan|2}}
| [[Engineering:IBM XIV Storage System|XIV]]
| Enterprise storage
| {{flag|ISR}}
| style="text-align:right;"|Over $300M
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires XIV | publisher = [[Company:IBM|IBM]] | date =2008-01-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/23200.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Jan|18}}
| AptSoft Corporation
| Business Intelligence
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires AptSoft to Expand Portfolio in Burgeoning Business Events Software Market | publisher = [[Company:IBM|IBM]] | date =2008-01-23 | url =http://www-03.ibm.com/press/us/en/pressrelease/23376.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Jan|29}}
| [[Software:SolidDB|Solid Information Technology]]
| Database software
| {{flag|USA}}, {{flag|FIN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Solid Information Technology to Broaden Information on Demand Portfolio | publisher = [[Company:IBM|IBM]] | date =2007-12-21 | url =http://www-03.ibm.com/press/us/en/pressrelease/22921.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Jan|31}}
| [[Company:Cognos|Cognos]]
| Business Intelligence
| {{flag|CAN}}
| style="text-align:right;"| ${{nts|5000000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Cognos | publisher = [[Company:IBM|IBM]] | date =2008-01-31 | url =http://www-03.ibm.com/press/us/en/pressrelease/23423.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Jan|31}}
| Arsenal Digital Solutions 
| Data backup services
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Arsenal Digital Solutions | publisher = [[Company:IBM|IBM]] | date =2008-02-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/23404.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|Feb|15}}
| Net Integration Technologies Inc.
| Business Server Software
| {{flag|CAN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Reaches Agreement to Acquire Net Integration Technologies Inc. | publisher = [[Company:IBM|IBM]] | date =2008-01-18 | url =http://www-03.ibm.com/press/us/en/pressrelease/23325.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|March|11}}
| Encentuate, Inc.
| Enterprise Single Sign-On
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Encentuate | publisher = [[Company:IBM|IBM]] | date =2008-03-12 | url =http://www-03.ibm.com/press/us/en/pressrelease/23653.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|April|3}}
| [[Company:Telelogic|Telelogic AB]]
| Enterprise software development
| {{flag|SWE}}
| style="text-align:right;"| ${{nts|845000000}}
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of Telelogic AB | publisher = [[Company:IBM|IBM]] | date =2008-04-03 | url =http://www-03.ibm.com/press/us/en/pressrelease/23792.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|April|18}}
| Diligent Technologies
| Data De-duplication
| {{flag|USA}}
| style="text-align:right;"| $200,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Storage Company Diligent Technologies | publisher = [[Company:IBM|IBM]] | date =2008-04-18 | url =http://www-03.ibm.com/press/us/en/pressrelease/23929.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|April|21}}
| FilesX
| [[Backup|Application Recovery Software]]
| {{flag|USA}}, {{flag|ISR}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Completes Acquisition of FilesX | publisher = [[Company:IBM|IBM]] | date =2008-04-21 | url =http://www-03.ibm.com/press/us/en/pressrelease/23967.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|April|29}}
| InfoDyne Corporation
| Data Feed Connectors
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires InfoDyne to Create World-Class Platform for Market Data Delivery | publisher = [[Company:IBM|IBM]] | date =2008-04-29 | url =http://www-03.ibm.com/press/us/en/pressrelease/23996.wss | access-date = 2008-06-02}}</ref>
|-
| {{dts|2008|July|02}}
| Platform Solutions
| Mainframe, System Z technologies
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Platform Solutions | publisher = [[Company:IBM|IBM]] | date =2008-07-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/24560.wss | access-date = 2009-03-23}}</ref>
|-
| {{dts|2008|July|28}}
| [[Company:ILOG|ILOG]]
| Business Rules Management Systems  
| {{flag|FRA}}
| style="text-align:right;"| $340,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM Announces Plans to Acquire ILOG | publisher = [[Company:IBM|IBM]] | date =2008-07-28 | url =http://www-03.ibm.com/press/us/en/pressrelease/24740.wss | access-date = 2008-07-29}}</ref>
|-
| {{dts|2008|Nov|18}}
| Transitive Corporation
| Virtualization Software
| {{flag|USA}}, {{flag|UK}}
| style="text-align:right;"|
| style="text-align:center;"|<ref>{{cite press release | title =IBM Announces Plans to Acquire Transitive | publisher = [[Company:IBM|IBM]] | date =2008-11-18 | url =http://www-03.ibm.com/press/us/en/pressrelease/26106.wss | access-date = 2009-03-23}}</ref>
|-
| {{dts|2009|Jan|15}}
| Outblaze's E-Mail Service Assets
| Online messaging and collaboration
| {{flag|HKG}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Announces Intent to Acquire Outblaze's E-Mail Service Assets | publisher = [[Company:IBM|IBM]] | date =2009-01-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/26486.wss | access-date = 2009-03-23}}</ref>
|-
| {{dts|2009|May|05}}
| Exeros Assets
| Data Discovery Software 
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Exeros Assets | publisher = [[Company:IBM|IBM]] | date =2009-05-05 | url =http://www-03.ibm.com/press/us/en/pressrelease/27215.wss | access-date = 2009-05-05}}</ref>
|-
| {{dts|2009|July|28}}
| [[Company:SPSS Inc.|SPSS Inc.]]
| Statistical analysis software
| {{flag|USA}}
| style="text-align:right;"| $1,200,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire SPSS Inc. to Provide Clients Predictive Analytics Capabilities | publisher = [[Company:IBM|IBM]] | date =2009-07-28 | url =http://www-03.ibm.com/press/us/en/pressrelease/27936.wss | access-date = 2009-07-28}}</ref>
|-
| {{dts|2009|July|28}}
| [[Company:Ounce Labs|Ounce Labs]]
| Source code analysis
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Ounce Labs, Inc. | publisher = [[Company:IBM|IBM]] | date =2009-07-28 | url =http://www-03.ibm.com/press/us/en/pressrelease/27971.wss | access-date = 2009-07-28}}</ref>
|-
| {{dts|2009|September|22}}
| RedPill Solutions
| Analytics and Optimisation
| {{flag|SGP}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires RedPill Solutions | publisher =[[Company:IBM|IBM]] | date =2009-09-22 | url =http://www.redpillsolutions.com | archive-url =https://web.archive.org/web/20021001091706/http://www.redpillsolutions.com/ | url-status =dead | archive-date =2002-10-01 | access-date =2009-09-22 }}</ref>
|-
| {{dts|2009|November|30}}
| Guardium
| Database monitoring and protection
| {{flag|USA}}, {{flag|ISR}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite news | url=http://news.taume.com/World-Business/Business-Finance/ibm-acquires-guardium-13777 | title=IBM Acquires Guardium | publisher=Taume News | date=2009-11-30 | access-date=2009-12-01 | url-status=dead | archive-url=https://web.archive.org/web/20091202093051/http://news.taume.com/World-Business/Business-Finance/ibm-acquires-guardium-13777 | archive-date=2009-12-02 }}</ref>
|-
| {{dts|2009|December|16}}
| Lombardi
| Business Process Management
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Lombardi | publisher = [[Company:IBM|IBM]] | date =2009-12-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/28890.wss | access-date = 2009-12-16}}</ref>
|-
| {{dts|2010|January|20}}
| National Interest Security Company, LLC
| Public sector consulting
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to National Interest Security Company | publisher = [[Company:IBM|IBM]] | date =2010-01-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/29225.wss | access-date = 2010-01-20}}</ref>
|-
| {{dts|2010|February|03}}
| Initiate Systems
| Data integrity software
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Initiate Systems | publisher = [[Company:IBM|IBM]] | date =2010-02-03 | url =http://www-03.ibm.com/press/us/en/pressrelease/29305.wss | access-date = 2010-02-04}}</ref>
|-
| {{dts|2010|February|16}}
| Intelliden Inc.
| Network Automation software
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Intelliden Inc. | publisher = [[Company:IBM|IBM]] | date =2010-02-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/29323.wss | access-date = 2010-02-16}}</ref>
|-
| {{dts|2010|March|1}}
| Wilshire Credit Corporation Assets
| Mortgage Business Processing Services
|{{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Closes Acquisition of Wilshire Credit Corporation Assets | publisher = [[Company:IBM|IBM]] | date =2010-03-01 | url =https://newsroom.ibm.com/2010-03-01-IBM-Closes-Acquisition-of-Wilshire-Credit-Corporation-Assets | access-date = 2010-02-16}}</ref>
|-
| {{dts|2010|May|3}}
| Cast Iron Systems
| Cloud Integration
| {{flag|USA}}
| style="text-align:right;"| $190,000,000 <ref>{{cite news | title = The Huge Value Sequoia Capital And Other Venture Capitalists Help Create | publisher = TechCrunch | date=2010-09-27 | url = https://techcrunch.com/2010/09/27/sequoia-capital-12-billion-exits/ | access-date = 2012-01-21}}</ref>
| style="text-align:center;"| <ref>{{cite press release | title =IBM Advances Cloud Initiatives with Acquisition of Cast Iron Systems| publisher = [[Company:IBM|IBM]] | date =2010-02-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/30580.wss | access-date = 2010-05-03}}</ref>
|-
| {{dts|2010|May|24}}
| Sterling Commerce
| Business software integration
| {{flag|USA}}
| style="text-align:right;"| $1,400,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM Agrees to Acquire Sterling Commerce from AT&T for $1.4 Billion | publisher = [[Company:IBM|IBM]] | date =2010-05-24 | url =http://www-03.ibm.com/press/us/en/pressrelease/31742.wss | access-date = 2010-05-24}}</ref>
|-
| {{dts|2010|June|15}}
| Coremetrics
| [[Web analytics|Web Analytics]]
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Advances Analytics With Acquisition of Coremetrics | publisher =[[Company:IBM|IBM]] | date =2010-06-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/31885.wss | access-date =2010-06-15 | url-status =dead | archive-url =https://web.archive.org/web/20121009143710/http://www-03.ibm.com/press/us/en/pressrelease/31885.wss | archive-date =2012-10-09 }}</ref>
|-
| {{dts|2010|July|01}}
| BigFix, Inc.
| Security and IT automation software
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire BigFix to Advance Smarter Data Centers| publisher = [[Company:IBM|IBM]] | date =2010-07-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/32026.wss | access-date = 2010-07-01}}</ref>
|-
| {{dts|2010|July|29}}
| Storwize
| Data Compression
| {{flag|USA}}
| style="text-align:right;"|$140,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Storwize for Data Compression Capabilities| publisher = [[Company:IBM|IBM]] | date =2010-07-29 | url =http://www-03.ibm.com/press/us/en/pressrelease/32219.wss | access-date = 2010-07-29}}</ref>
|-
| {{dts|2010|August|10}}
| [[Company:Datacap|Datacap]]
| Data capture and Content Management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Datacap| publisher = [[Company:IBM|IBM]] | date =2010-08-10 | url =http://www-03.ibm.com/press/us/en/pressrelease/32253.wss | access-date = 2010-08-10}}</ref>
|-
| {{dts|2010|August|13}}
| Unica Corporation
| Marketing planning software
| {{flag|USA}}
| style="text-align:right;"| $480,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Unica Corporation| publisher = [[Company:IBM|IBM]] | date =2010-08-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/32309.wss | access-date = 2010-08-13}}</ref>
|-
| {{dts|2010|September|15}}
| [[Company:OpenPages|OpenPages]]
| Integrated risk management solutions
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire OpenPages| publisher = [[Company:IBM|IBM]] | date =2010-09-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/32474.wss | access-date = 2010-09-15}}</ref>
|-
| {{dts|2010|September|20}}
| [[Company:Netezza|Netezza]]
| Data warehousing and [[Analytics|analytics]]
| {{flag|USA}}
| style="text-align:right;"| $1,700,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Netezza| publisher = [[Company:IBM|IBM]] | date =2010-09-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/32514.wss | access-date = 2010-09-20}}</ref>
|-
| {{dts|2010|September|27}}
| [[Company:BLADE Network Technologies|BLADE Network Technologies]]
| [[Computer network|Networking]]
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire BLADE Network Technologies| publisher = [[Company:IBM|IBM]] | date =2010-09-27 | url =http://www-03.ibm.com/press/us/en/pressrelease/32525.wss | access-date = 2010-12-09}}</ref>
|-
| {{dts|2010|October|13}}
| PSS Systems
| Legal risk management
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires PSS Systems| publisher = [[Company:IBM|IBM]] | date =2010-10-13 | url =http://www.prnewswire.com/news-releases/ibm-acquires-pss-systems-104855574.html | access-date = 2010-10-13}}</ref>
|-
| {{dts|2010|October|21}}
| Clarity Systems
| Financial governance
| {{flag|CAN}}
| style="text-align:right;"| $350,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Clarity Systems| publisher = [[Company:IBM|IBM]] | date =2010-10-21 | url =http://www-03.ibm.com/press/us/en/pressrelease/32795.wss | access-date = 2010-10-21}}</ref>
|-
| {{dts|2011|March|22}}
| Tririga Inc.
| Facility and Real Estate Management
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire TRIRIGA, Inc. to Accelerate Smarter Buildings Transformation| publisher = [[Company:IBM|IBM]] | date =2011-03-22 | url =http://www-03.ibm.com/press/us/en/pressrelease/34060.wss | access-date = 2011-03-22}}</ref>
|-
| {{dts|2011|August|31}}
| [[Company:I2 Limited|i2 Limited]]
| Intelligence Analytics
| {{flag|UK}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire i2 to Accelerate Big Data Analytics to Transform Global Cities| publisher = [[Company:IBM|IBM]] | date =2011-08-31 | url =http://www-03.ibm.com/press/us/en/pressrelease/35255.wss | access-date = 2011-08-31}}</ref>
|-
| {{dts|2011|September|1}}
| Algorithmics Inc.<ref>[http://www.algorithmics.com Algorithmics Inc. official website]</ref>
| Risk Management
| {{flag|CAN}}
| style="text-align:right;"| $387,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Algorithmics| publisher = [[Company:IBM|IBM]] | date =2011-08-31 | url =http://www-03.ibm.com/press/us/en/pressrelease/35176.wss | access-date = 2011-09-01}}</ref>
|-
| {{dts|2011|October|4}}
| Q1 Labs<ref>[http://q1labs.com Q1 Labs official website]</ref>
| Security Intelligence
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title = IBM to Acquire Q1 Labs to Drive Greater Security Intelligence| publisher = [[Company:IBM|IBM]] | date =2011-10-04 | url = http://www-03.ibm.com/press/us/en/pressrelease/35544.wss | access-date = 2011-10-31}}</ref>
|-
| {{dts|2011|October|12}}
| [[Company:Platform Computing|Platform Computing]]
| Cluster and Grid Management Software
| {{flag|CAN}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire System Software Company Platform Computing to Extend Reach of Technical Computing| publisher = [[Company:IBM|IBM]] | date =2011-10-12 | url =http://www-03.ibm.com/press/us/en/pressrelease/35630.wss | access-date = 2011-10-12}}</ref>
|-
| {{dts|2011|December|05}}
| Cúram Software
| Smarter Cities 
| {{flag|IRL}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM extends Smarter Cities initiative through acquisition of Cúram Software| publisher = [[Company:IBM|IBM]] | date =2011-12-05 | url =http://www-03.ibm.com/press/us/en/pressrelease/36134.wss | access-date = 2012-02-23}}</ref>
|-
| {{dts|2011|December|08}}
| [[Company:DemandTec|DemandTec]]
| Cloud-based Retail Analytics
| {{flag|USA}}
| style="text-align:right;"| $440,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire DemandTec to Expand Cloud-Based Analytics for Smarter Commerce| publisher = [[Company:IBM|IBM]] | date =2011-12-08 | url =http://www-03.ibm.com/press/us/en/pressrelease/36165.wss | access-date = 2011-12-13}}</ref>
|-
| {{dts|2011|December|15}}
| Emptoris
| Supply Chain Analytics
| {{flag|USA}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquisition of Emptoris Bolsters Smarter Commerce Initiative, Helps Reduce Procurement Costs and Risks| publisher = [[Company:IBM|IBM]] | date =2011-12-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/36225.wss | access-date = 2011-12-15}}</ref>
|-
| {{dts|2012|January|04}}
| Green Hat (software company)<ref>[http://www.greenhat.com/ Green Hat official website]</ref>
| Cloud based software testing
| {{flag|USA}}, {{flag|UK}}
| style="text-align:right;"| 
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Green Hat| publisher = [[Company:IBM|IBM]] | date =2011-01-04 | url =http://www-03.ibm.com/press/us/en/pressrelease/36431.wss | access-date = 2012-01-04}}</ref>
|-
| {{dts|2012|January|31}}
| Worklight
| Software Development Firm
| {{flag|ISR}}
| style="text-align:right;"| $70,000,000
| style="text-align:center;"| <ref>{{cite press release | title=IBM Advances Mobile Capabilities with Acquisition of Worklight|url=http://www-03.ibm.com/press/us/en/pressrelease/36660.wss| publisher = [[Company:IBM|IBM]] | date =2012-01-31|access-date=2012-01-31}}</ref><ref>{{cite web|last=Rao|first=Leena|title=IBM's Mixed Q1 2012: Revenue Flat At $24.7B; Net Income Up 7 Percent To $3.1B|url=https://techcrunch.com/2012/04/17/ibms-q1-2012-revenue-flat-at-24-7b-net-income-up-7-percent-to-3-1b/|publisher=TechCrunch|access-date=10 May 2012|date=17 April 2012|quote=While the company revealed layoffs in February, IBM has spent some cash in the first quarter on acquisitions, buying Worklight for $70 million and Green Hat.}}</ref>
|-
| {{dts|2012|April|13}}
| Varicent
| Compensation and Sales Performance Management Software Solutions
| {{flag|CAN}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release |title=IBM Broadens Analytics Portfolio with Acquisition of Varicent Software | publisher = [[Company:IBM|IBM]] | date =2012-04-13 | url=http://www-03.ibm.com/press/us/en/pressrelease/37434.wss|access-date=2012-04-13}}</ref>
|-
| {{dts|2012|April|25}}
| Vivisimo
| Enterprise Search Software
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Advances Big Data Analytics with Acquisition of Vivisimo| publisher = [[Company:IBM|IBM]] | date =2012-04-25 | url =http://www-03.ibm.com/press/us/en/pressrelease/37491.wss | access-date = 2012-04-25}}</ref>
|-
| {{dts|2012|May|2}}
| [[Company:Tealeaf|Tealeaf Technology]]
| Customer Experience Analytics Software
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Tealeaf Technology, Inc. to Help Marketers Deliver Exceptional Digital Experience for Smarter Commerce| publisher = [[Company:IBM|IBM]] | date =2012-05-02 | url =http://www-03.ibm.com/press/us/en/pressrelease/37593.wss | access-date = 2012-05-25}}</ref>
|-
| {{dts|2012|August|16}}
| [[Company:Texas Memory Systems|Texas Memory Systems]]
| Solid State Storage
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Plans to Acquire Texas Memory Systems | publisher = [[Company:IBM|IBM]] | date =2012-08-16 | url =http://www-03.ibm.com/press/us/en/pressrelease/38594.wss | access-date = 2012-08-16}}</ref>
|-
| {{dts|2012|August|27}}
| Kenexa Corporation
| Human Capital Solutions
| {{flag|USA}}
| style="text-align:right;"| ${{formatnum:1400000000}}<ref>[http://softwareequitygroup.wordpress.com/category/saas/ IBM's acquisition of Kenexa ($1.4 billion, 4.1x)]</ref>
| style="text-align:center;"| <ref name=GT-DEX-2012-33-33-06>{{cite news | title =IBM To Buy Social-Business Company Kenexa For $1.3 Billion | publisher = [[Company:Bloomberg L.P.|Bloomberg]] | date =2012-08-28 | url =https://www.bloomberg.com/news/2012-08-27/ibm-to-buy-social-business-company-kenexa-for-about-1-3-billion.html | access-date = 2012-08-28}}</ref>
|-
| {{dts|2012|September|24}}
| Butterfly Software Ltd.
| Data Analysis and Migration Software
| {{flag|UK}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Advances Storage Capabilities with Acquisition of Butterfly Software | publisher = [[Company:IBM|IBM]] | date =2012-09-24 | url =http://www-03.ibm.com/press/us/en/pressrelease/38940.wss | access-date = 2012-09-24}}</ref>
|-
| {{dts|2012|December|19}}
| [[Company:StoredIQ|StoredIQ]]
| Big Data Analysis
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire StoredIQ | publisher = [[Company:IBM|IBM]] | date =2012-12-19 | url =http://www-03.ibm.com/press/us/en/pressrelease/39692.wss | access-date = 2012-12-19}}</ref>
|-
| {{dts|2013|February |1}}
| Star Analytics
| Business Analytics
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire Star Analytics, Inc| publisher = [[Company:IBM|IBM]] | date =2013-02-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/40153.wss | access-date = 2013-02-01}}</ref><ref>{{cite press release | title =IBM Completes Acquisition of Star Analytics, Inc.| publisher = [[Company:IBM|IBM]] | date =2013-03-19 | url =http://www-03.ibm.com/press/us/en/pressrelease/40574.wss | access-date = 2013-03-19}}</ref>
|-
| {{dts|2013|April |22}}
| UrbanCode
| Software delivery automation
| {{flag|USA}}
| style="text-align:right;"|
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires UrbanCode to Help Businesses Rapidly Deliver Mobile, Cloud, Big Data and Social Software| publisher = [[Company:IBM|IBM]] | date =2013-04-22 | url =http://www-03.ibm.com/press/us/en/pressrelease/40820.wss | access-date = 2013-02-01}}</ref>
|-
| {{dts|2013|June |04}}
| [[Company:SoftLayer|SoftLayer Technologies]]
| Cloud Computing Infrastructure
| {{flag|USA}}
| style="text-align:right;"| $2,000,000,000<ref>[https://dealbook.nytimes.com/2013/06/04/i-b-m-buys-cloud-computing-firm-in-deal-said-to-be-worth-2-billion/ I.B.M. Buys Cloud Computing Firm in Deal Said to Be Worth $2 Billion]</ref>
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire SoftLayer to Accelerate Adoption of Cloud Computing in the Enterprise| publisher = [[Company:IBM|IBM]] | date =2013-06-04 | url =http://www-03.ibm.com/press/us/en/pressrelease/41191.wss | access-date = 2013-06-04}}</ref>
|-
| {{dts|2013|July |09}}
| CSL International
| Cloud Computing
| {{flag|ISR}}
| style="text-align:right;"| Not Disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Accelerates Cloud Computing on System z with Acquisition of CSL International| publisher = [[Company:IBM|IBM]] | date =2013-07-09 | url =http://www-03.ibm.com/press/us/en/pressrelease/41442.wss | access-date = 2013-07-09}}</ref>
|-
| {{dts|2013|August |15}}
| [[Company:Trusteer|Trusteer]]
| Cyber Security
| {{flag|ISR}}
| style="text-align:right;"| $1,000,000,000<ref>[https://www.reuters.com/article/us-trusteer-ibm-idUSBRE97E13I20130815/ IBM says it will buy Trusteer, source says paying close to $1 billion]</ref>
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Trusteer to Help Companies Combat Financial Fraud and Advanced Security Threats| publisher = [[Company:IBM|IBM]] | date =2013-08-15 | url =http://www-03.ibm.com/press/us/en/pressrelease/41487.wss | access-date = 2013-08-15}}</ref>
|-
| {{dts|2013|September |19}}
| Daeja Image Systems
| Viewer for document management systems
| {{flag|UK}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Daeja Image Systems Ltd.| publisher = [[Company:IBM|IBM]] | date =2013-09-19 | url =http://www-03.ibm.com/press/us/en/pressrelease/41567.wss | access-date = 2013-09-25}}</ref>
|-
| {{dts|2013|October |1}}
| The Now Factory
| Mobile Networks Big Data Analytics
| {{flag|IRL}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires The Now Factory| publisher = [[Company:IBM|IBM]] | date =2013-10-01 | url =http://www-03.ibm.com/press/us/en/pressrelease/41927.wss| access-date = 2013-10-01}}</ref>
|-
| {{dts|2013|October |3}}
| Xtify
|  In-app mobile messaging and push notification tools
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Xtify to Help Digital Marketers Reach Mobile Customers| publisher = [[Company:IBM|IBM]] | date =2013-10-03 | url =http://www-03.ibm.com/press/us/en/pressrelease/42064.wss| access-date = 2013-10-03}}</ref>
|-
| {{dts|2013|November  |13}}
| Fiberlink Communications
|  Mobile Device Management
| {{flag|USA}}
| style="text-align:right;"| $330,000,000
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Fiberlink Communications, Transforming the Mobile Management and Security Market
| publisher = [[Company:IBM|IBM]] | date =2013-11-13 | url =http://www-03.ibm.com/press/us/en/pressrelease/42396.wss| access-date = 2013-11-13}}</ref>
|-
| {{dts|2013|December  |19}}
|Aspera, Inc.
|  Data Transfer Technology
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM to acquire Aspera, Inc. |publisher= [[Company:IBM|IBM]] | date =2013-12-19 | url =http://www-03.ibm.com/press/us/en/pressrelease/42782.wss| access-date = 2013-12-19}}</ref>
|-
| {{dts|2014|February  |24}}
| [[Software:Cloudant|Cloudant, Inc.]] 
|  Database-as-a-Service
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM to Acquire Cloudant: Open, Cloud Database Service Helps Organizations Simplify Mobile, Web App and Big Data Development |publisher= [[Company:IBM|IBM]] | date =2014-02-24 | url =http://www-03.ibm.com/press/us/en/pressrelease/43238.wss| access-date = 2014-02-24}}</ref>
|-
| {{dts|2014|April|10}}
| Silverpop Systems, Inc. 
|  Behavioral Marketing Automation
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM To Acquire Silverpop To Help Marketers Deliver Personalized Customer Engagements|publisher= [[Company:IBM|IBM]] | date =2014-04-10 | url =http://www-03.ibm.com/press/us/en/pressrelease/43513.wss| access-date = 2014-04-10}}</ref>
|-
| {{dts|2014|May|19}}
| Cognea
|  Cognitive computing (conversational artificial intelligence platform)
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Watson Acquires Artificial Intelligence Startup Cognea|publisher= Techcrunch | date =2014-05-19 | url =https://techcrunch.com/2014/05/19/ibm-watson-acquires-artificial-intelligence-startup-cognea/| access-date = 2014-05-19}}</ref>
|-
| {{dts|2014|July|31}}
| CrossIdeas
| Cloud Security (Identity and Access Governance)
| {{flag|ITA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM acquires CrossIdeas to Expand Security Offerings with Identity Intelligence|publisher= [[Company:IBM|IBM]] | date =2014-07-31 | url =http://www-03.ibm.com/press/us/en/pressrelease/44469.wss| access-date = 2014-07-31}}</ref>
|-
| {{dts|2014|August|11}}
| Lighthouse Security Group 
|  Cloud Security
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM Acquires Cloud Security Services Provider Lighthouse Security Group |publisher= [[Company:IBM|IBM]] | date =2014-08-11 | url =http://www-03.ibm.com/press/us/en/pressrelease/44503.wss| access-date = 2014-08-11}}</ref>
|-
| {{dts|2015|March|04}}
| [[Company:AlchemyAPI|AlchemyAPI]]
|  [[Natural language processing]], [[Big data|big data]]
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =IBM buys AlchemyAPI to boost Watson computing unit |publisher= {{wipe|Reuters}} | date =2015-04-04 | url =https://www.reuters.com/article/ibm-alchemy-idUSL1N0W601420150304| access-date = 2015-03-05}}</ref>
|-
| {{dts|2015|March|27}}
| Blekko
|  Web Search Engine, Cognitive Computing
| {{flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{cite press release | title =Data, Data, Everywhere – Now a Better Way to Understand It |publisher= [[Company:IBM|IBM]] | date =2015-03-27 | url =http://asmarterplanet.com/blog/2015/03/better-way-tap-big-data-gusher.html| access-date = 2016-01-09}}</ref>
|-
| {{dts|2015|April|13}}
|Explorys
|Healthcare analytics
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{Cite web|url = http://www-03.ibm.com/press/us/en/pressrelease/46585.wss|title = IBM Acquires Explorys to Accelerate Cognitive Insights for Health and Wellness|date = 2015-04-13|access-date = 2015-04-13}}</ref>
|-
| {{dts|2015|April|13}}
|Phytel
|Health management software
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"| <ref>{{Cite web|url = http://www-03.ibm.com/press/us/en/pressrelease/46584.wss|title = IBM to Acquire Phytel to Help Healthcare Providers Deliver Higher Value Care|date = 2015-04-13|access-date = 2015-04-13}}</ref>
|-
| {{dts|2015|June|3}}
|Bluebox
|Private Cloud as a Service
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"|<ref>{{Cite web|title = IBM Acquires Blue Box to Accelerate Open Hybrid Clouds|url = https://www-03.ibm.com/press/us/en/pressrelease/47030.wss|website = www-03.ibm.com|access-date = 2015-06-17}}</ref>
|-
| {{dts|2015|July|23}}
|Compose Inc.
|Database as a Service
|{{Flag|USA}}
|style="text-align:right;"| Not disclosed
| style="text-align:center;"|<ref name="IBM Acquires Compose Inc">{{Cite web|title = IBM Acquires Compose Inc. |url = https://www-03.ibm.com/press/us/en/pressrelease/47030.wss|website = www-03.ibm.com|access-date = 2015-06-17}}</ref>
|-
| {{dts|2015|August|6}}
|Merge Healthcare Inc.
|Healthcare imaging software
|{{Flag|USA}}
| style="text-align:right;"| $1,000,000,000
| style="text-align:center;"|<ref>{{Cite web|title = Watson to Gain Ability to "See" with Planned $1B Acquisition of Merge Healthcare|url = http://www-03.ibm.com/press/us/en/pressrelease/47435.wss|website = www-03.ibm.com|access-date = 2015-08-06}}</ref>
|-
| {{dts|2015|September|10}}
|[[Company:Strongloop|StrongLoop Inc.]]
|Mobile API capabilities
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"|<ref>{{Cite web|title = IBM Acquires StrongLoop to Extend Enterprise Reach using IBM Cloud|url = https://www-03.ibm.com/press/us/en/pressrelease/47577.wss|website = www-03.ibm.com|access-date = 2015-09-10}}</ref>
|-
| {{dts|2015|September|28}}
|Meteorix LLC
|Consulting services for [[Company:Workday, Inc.|Workday]] applications
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"|<ref>{{Cite web|title = IBM Plans to Acquire Meteorix, a Leading Workday Services Partner|url = https://www-03.ibm.com/press/us/en/pressrelease/47741.wss|website = www-03.ibm.com|access-date = 2015-09-28}}</ref>
|-
| {{dts|2015|October|28}}
|The Weather Company digital assets
|Weather data sources and analytics, related online and mobile products
|{{Flag|USA}}
| style="text-align:right;"| Not disclosed
| style="text-align:center;"|<ref name=nyt-ibmtwc>{{cite news|title=IBM to Acquire the Weather Company|url=https://www.nytimes.com/2015/10/29/technology/ibm-to-acquire-the-weather-company.html?_r=0|access-date=28 October 2015|work=The New York Times}}</ref><ref name=bloomberg-twcibm>{{cite news|title=IBM Agrees to Acquire Weather Channel's Digital Assets|url=https://www.bloomberg.com/news/articles/2015-10-28/ibm-agrees-to-acquire-weather-channel-s-digital-assets|access-date=28 October 2015|work=Bloomberg}}</ref><ref name=variety-stormsinrealityout>{{cite news|title=Storms Are In, Reality Shows Out As Weather Channel Gets Back to Basics|url=https://variety.com/2015/tv/news/weather-channel-ibm-acquisition-reality-tv-1201629228/|access-date=29 October 2015|work=Variety}}</ref>
|-
| {{dts|2015|November|3}}
|Gravitant, Inc
|Cloud brokerage software and cloud management
|{{Flag|USA}}
|style="text-align:right;"| Not disclosed
|<ref>{{Cite web|title = IBM Plans to Acquire The Weather Company's Product and Technology Businesses; Extends Power of Watson to the Internet of Things|url = http://www-03.ibm.com/press/us/en/pressrelease/47952.wss|website = www-03.ibm.com|access-date = 2015-11-02}}</ref>
|-
| {{dts|2015|November|6}}
|[[Company:Cleversafe|Cleversafe]]
|Object-based storage software
|{{Flag|USA}}
| style="text-align:right;"| $1,309,000,000<ref>https://www.sec.gov/Archives/edgar/data/51143/000104746916010329/a2226548zex-13.htm</ref>
|<ref>{{Cite web|title = IBM Completes Acquisition of Cleversafe|url = http://www-03.ibm.com/press/us/en/pressrelease/48027.wss|website = www-03.ibm.com|date = 2015-11-06|access-date = 2015-11-30|language = en-US}}</ref>
|-
| {{dts|2015|December|8}}
|Clearleap
|Cloud-based video management
|{{Flag|USA}}
|style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Snags Clearleap Video Service As It Continues To Pick Off Strategic Cloud Properties|url=https://techcrunch.com/2015/12/08/ibm-snags-clearleap-cloud-video-services-as-it-continues-to-pick-off-strategic-cloud-properties/|website=TechCrunch|access-date=21 January 2016}}</ref>
|-
| {{dts|2016|January|15}}
|Iris Analytics
|Real time transaction fraud detection
|{{Flag|GER}}
|style="text-align:right;"| Not disclosed
|<ref>{{Cite web|title = IBM Acquires IRIS Analytics, Strengthening Fraud Detection Analytics|url = http://www-03.ibm.com/press/us/en/pressrelease/48788.wss|website = www-03.ibm.com|date = 2016-01-15|access-date = 2016-01-15|language = en-US}}</ref>
|-
| {{dts|2016| January|21}}
| Ustream
| Streaming video
| {{Flag|USA}}
|style="text-align:right;"| Not disclosed
|<ref name=tc-ustreamaol>{{cite web|title=IBM Confirms Acquisition Of UStream, Forms New Cloud Video Unit|url=https://techcrunch.com/2016/01/21/ibm-confirms-acquisition-of-ustream-forms-new-cloud-video-unit/|website=TechCrunch|access-date=21 January 2016}}</ref>
|-
| {{dts|2016| January|28}}
| Resource/Ammirati
| Digital marketing and creative agency
| {{Flag|USA}}
|style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Plans to Acquire Resource/Ammirati to Address Surging Client Demand for the Next Great Customer Experience|url=http://www-03.ibm.com/press/us/en/pressrelease/48893.wss|website=www-03.ibm.com|date = 2016-01-28|access-date = 2016-01-28|language = en-US}}</ref>
|-
| {{dts|2016| February|2}}
| Aperto AG
| Digital marketing and creative agency
| {{Flag|GER}}
|style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Signs Agreement to Acquire Aperto to Meet Growing Client Need for Digital Transformation|url=http://www-03.ibm.com/press/us/en/pressrelease/48871.wss|website=www-03.ibm.com|date = 2016-02-02|access-date = 2016-02-03|language = en-US}}</ref>
|-
| {{dts|2016| February|3}}
| ecx.io AG
| Digital marketing and creative agency
| {{Flag|GER}}
|style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Signs Agreement to Acquire ecx.io to Deliver Stellar Customer Experiences|url=http://www-03.ibm.com/press/us/en/pressrelease/48960.wss|website=www-03.ibm.com|date = 2016-03-02|access-date = 2016-02-03|language = en-US}}</ref>
|-
| {{dts|2016| February|18}}
| Truven Health Analytics
| Provider of cloud-based healthcare data, analytics and insights
| {{Flag|USA}}
| style="text-align:right;"| $2,600,000,000
|<ref>{{cite web|title=IBM Watson Health Announces Plans to Acquire Truven Health Analytics for $2.6B, Extending Its Leadership in Value-Based Care Solutions|url=http://www-03.ibm.com/press/us/en/pressrelease/49132.wss|website=www-0e.ibm.com|access-date=19 February 2016}}</ref>
|-
| {{dts|2016| February|29}}
| Resilient Systems
| Cyber security, incident response platform
| {{Flag|USA}}
| style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Security To Expand Incident Response Capabilities With Plans To Acquire Resilient Systems|url=http://www-03.ibm.com/press/us/en/pressrelease/49243.wss|website=www-0e.ibm.com|access-date=9 March 2016}}</ref>
|-
| {{dts|2016| March|18}}
| Optevia
| Specialist provider of Microsoft Dynamics CRM based solutions and associated services to the public sector
| {{Flag|UK}}
| style="text-align:right;"| Not disclosed
|<ref>{{cite web|title=IBM Acquires Optevia, Expanding Role as Solutions Provider for Public Sector Clients|url=http://www-03.ibm.com/press/us/en/pressrelease/49357.wss|access-date=1 June 2016}}</ref>
|-
| {{dts|2016|March|31}}
|Blue Wolf Group LLC
|Salesforce systems integrator and professional services
|{{Flag|USA}}
| style="text-align:right;"|$200,000,000
|<ref>{{Cite web|url=https://www-03.ibm.com/press/us/en/pressrelease/49434.wss|title=IBM to Acquire Bluewolf, Boost Consumer-grade Experiences|date=2016-03-31|website=www-03.ibm.com|language=en-US|access-date=2016-04-09}}</ref>
|-
| {{dts|2016|June|1}}
|EZSource
|Application discovery and dashboard visualization
|{{flag|ISR}}
|Not disclosed
|<ref>{{Cite news|url=http://www.pcworld.com/article/3077939/ibm-buys-ezsource-to-help-transform-your-mainframe-apps-for-the-digital-world.html|title=IBM buys EZSource to help transform your mainframe apps for the digital world|newspaper=PCWorld|access-date=2016-12-06}}</ref>
|-
| {{dts|2016|September|29}}
|Promontory Financial Group
|Risk management and regulatory compliance
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|url=http://www-03.ibm.com/press/us/en/pressrelease/50599.wss|title=IBM to Acquire Promontory & Launch Watson Financial Services|date=2016-09-29|website=www-03.ibm.com|language=en-US|access-date=2016-12-06}}</ref>
|-
| {{dts|2016|October|27}}
|Sanovi Technologies
|Hybrid cloud recovery
|{{flag|IND}}
|Not disclosed
|<ref>{{Cite news|url=http://economictimes.indiatimes.com/tech/software/ibm-to-acquire-indian-it-firm-sanovi-technologies/articleshow/55090233.cms|title=IBM acquires Sanovi Technologies to boost hybrid cloud - The Economic Times|newspaper=The Economic Times|access-date=2016-12-06}}</ref>
|-
| {{dts|2017|February|3}}
|Agile 3 Solutions
|[[Information security]]
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite news|url=http://finance.yahoo.com/news/ibm-closes-acquisition-agile-3-210100477.html|title=IBM Closes Acquisition of Agile 3 Solutions|website=[[Software:Yahoo! Finance|Yahoo! Finance]]|access-date=2017-03-07|archive-url=https://web.archive.org/web/20170506020041/http://finance.yahoo.com/news/ibm-closes-acquisition-agile-3-210100477.html|archive-date=2017-05-06|url-status=dead}}</ref>
|-
| {{dts|2017|May|2}}
|Verizon - Cloud services
|Cloud services
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|url=http://www.sohu.com/a/138194754_374240|title=IBM收购Verizon云计算及主机托管业务|date=2017-05-04|website=sohu.com|access-date=2018-11-17}}</ref>
|-
| {{dts|2017|May|31}}
|XCC (division of TIMETOACT)
|Collaboration software
|{{Flag|GER}}
|Not disclosed
|<ref>{{Cite news|url=http://www-03.ibm.com/press/us/en/pressrelease/52479.wss |title=IBM Acquires TIMETOACT GROUP's XCC to Launch IBM Connections Engagement Center -- a Single Destination for Internal Communications, Collaboration and Employee Engagement |access-date=2017-06-27}}</ref>
|-
| {{dts|2017|September|24}}
|Cloudigo
|Data Center Company
|{{Flag|Israel}}
|Not disclosed
|<ref>{{Cite news|url=http://www.algemeiner.com/2017/09/25/ibm-acquires-israels-cloudigo-data-center-company/|title=IBM Acquires Israel's Cloudigo Data Center Company|work=Algemeiner.com|access-date=2018-11-17|language=en-US}}</ref>
|-
| {{dts|2017|October|5}}
|Vivant Digital
|Innovation Consultancy
|{{flag|AUS}}
|Not disclosed
|<ref>{{Cite news|url=http://www.afr.com/technology/ibm-buys-vivant-digital-a-sydney-innovation-consultancy-20171004-gyuefn|title=IBM buys Sydney innovation consultancy|date=2017-10-05|work=Financial Review|access-date=2017-10-04|language=en-US}}</ref>
|-
| {{dts|2018|May|3}}
|Armanta, Inc. 
|Aggregation/analytics software for financial services firms
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite news|url=https://www.ibm.com/blogs/think/2018/05/finance/|title=IBM Acquires Armanta to Help Financial Services Firms Meet Regulatory, Business Demands - THINK Blog|date=2018-05-03|work=THINK Blog|access-date=2018-09-28|language=en-US}}</ref>
|-
| {{dts|2018|June|15}}
|Oniqua Holdings Pty Ltd.
|Intelligent maintenance repair and operations (MRO) solutions
|{{Flag|USA}}{{flag|AUS}}
|Not disclosed
|<ref>{{Cite news|url=https://newsroom.ibm.com/2018-06-15-IBM-Acquires-Oniqua-Strengthens-Leading-IoT-Capabilities-to-Help-Businesses-Proactively-Maintain-Vital-Assets|title=IBM Acquires Oniqua, Strengthens Leading IoT Capabilities to Help Businesses Proactively Maintain Vital Assets|work=IBM News Room|access-date=2018-09-28|language=en-us}}</ref>
|-
| {{dts|2019|July|9}}
| [[Company:Red Hat|Red Hat]]
| Provider of open source software and solutions
| {{Flag|USA}}
| style="text-align:right;"| $34,000,000,000
|<ref>{{cite web|title=IBM TO ACQUIRE RED HAT, COMPLETELY CHANGING THE CLOUD LANDSCAPE AND BECOMING WORLD'S #1 HYBRID CLOUD PROVIDER |url=https://www.redhat.com/en/about/press-releases/ibm-acquire-red-hat-completely-changing-cloud-landscape-and-becoming-world’s-1-hybrid-cloud-provider|access-date=29 October 2018}}</ref><ref>{{cite web|title=IBM Closes Landmark Acquisition of Red Hat for $34 Billion; Defines Open, Hybrid Cloud Future |url=https://newsroom.ibm.com/2019-07-09-IBM-Closes-Landmark-Acquisition-of-Red-Hat-for-34-Billion-Defines-Open-Hybrid-Cloud-Future|date = 2019-07-09|access-date = 2019-10-09}}</ref>
|-
| {{dts|2020|June|15}}
| Spanugo
| US-based provider of cloud cybersecurity posture management solutions
| {{Flag|USA}}
| Not disclosed
|<ref>{{Cite news|url=https://newsroom.ibm.com/2020-06-15-IBM-Acquires-Assets-from-Spanugo|title=IBM Acquires Spanugo, Strategic acquisition further positions IBM to deliver secure, compliance-ready and industry-specific public cloud capabilities to clients in highly regulated industries|work=IBM News Room|access-date=2020-06-15|language=en-us}}</ref>
|-
| {{dts|2020|July|8}}
| WDG
| IBM to Acquire WDG Automation to Advance AI-Infused Automation Capabilities for Enterprises
| {{Flag|BRA}}
| Not disclosed
|<ref>{{Cite news|url=https://newsroom.ibm.com/2020-07-08-IBM-to-Acquire-WDG-Automation-to-Advance-AI-Infused-Automation-Capabilities-for-Enterprises|title=IBM to Acquire WDG Automation to Advance AI-Infused Automation Capabilities for Enterprises|work=IBM News Room|access-date=2020-07-08|language=en-us}}</ref>
|-
|November 16, 2020
|TruQua Enterprises
|Acquisition enhances IBM's expertise in migrating financial platforms to SAP
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite news|url=https://newsroom.ibm.com/2020-11-16-IBM-to-Acquire-SAP-Consulting-Partner-TruQua|title=IBM to Acquire SAP Consulting Partner TruQua|work=IBM News Room|access-date=2020-11-16|language=en-us}}</ref>
|-
|November 18, 2020
|[[Company:Instana|Instana]]
|Acquisition continues to advance IBM's Hybrid Cloud and AIOps strategy with Application Performance Management and enterprise Observability capabilities
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite news|url=https://newsroom.ibm.com/2020-11-18-IBM-to-Acquire-Instana-as-Company-Continues-to-Advance-its-Hybrid-Cloud-and-AI-Strategy|title=IBM to Acquire Instana|work=IBM News Room|access-date=2020-11-18|language=en-us}}</ref>
|-
|December 15, 2020
|Expertus Technologies Inc.
|Digital payments provider
| {{Flag|CAN}}
|Not disclosed
|<ref>{{Cite web|title=IBM Acquires Expertus Technologies Inc. to Expand Hybrid Cloud Digital Payment Solutions|url=https://newsroom.ibm.com/2020-12-15-IBM-Acquires-Expertus-Technologies-Inc-to-Expand-Hybrid-Cloud-Digital-Payment-Solutions}}</ref>
|-
|December 21, 2020
|Nordcloud
|Acquisition enhances IBM's Hybrid Cloud Consulting capabilities
|{{Flag|FIN}}
|Not disclosed
|<ref>{{cite web |title=IBM to Acquire Nordcloud to Turbocharge Its Hybrid Cloud Consulting Capability |url=https://newsroom.ibm.com/2020-12-21-IBM-to-Acquire-Nordcloud-to-Turbocharge-Its-Hybrid-Cloud-Consulting-Capability |website=IBM News Room |language=en-us}}</ref>
|-
|January 11, 2021
|7Summits
|Acquisition drives digital transformations for Salesforce clients
|{{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|title=IBM Acquires 7Summits to Drive Digital Transformations for Salesforce Clients|url=https://newsroom.ibm.com/2021-01-11-IBM-Acquires-7Summits-to-Drive-Digital-Transformations-for-Salesforce-Clients|access-date=2021-01-12|website=IBM News Room|language=en-us}}</ref>
|-
|Jan 14, 2021
|Taos
|Acquisition to expand hybrid cloud consulting services
| {{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|title=IBM Boosts Its Hybrid Cloud Consulting Capability with Taos|url=https://newsroom.ibm.com/2021-01-14-IBM-Boosts-Its-Hybrid-Cloud-Consulting-Capability-with-Taos}}</ref>
|-
|April 15, 2021
|myInvenio
|Acquisition to help Organizations Use AI-powered Automation to Better Streamline Business Processes
| {{Flag|ITA}}
|Not disclosed
|<ref>{{Cite web|title=IBM to Acquire myInvenio to help Organizations Use AI-powered Automation to Better Streamline Business Processes|url=https://newsroom.ibm.com/2021-04-15-IBM-to-Acquire-myInvenio-to-help-Organizations-Use-AI-powered-Automation-to-Better-Streamline-Business-Processes}}</ref>
|-
|May 18, 2021
|Waeg
|Acquisition to expand Salesforce consulting services
| {{Flag|Belgium}}
|Not disclosed
|<ref>{{Cite web|title=IBM Acquires Waeg to Deepen Expertise Across the Salesforce Platform in Europe|url=https://newsroom.ibm.com/2021-05-18-IBM-Acquires-Waeg-to-Deepen-Expertise-Across-the-Salesforce-Platform-in-Europe}}</ref>
|-
|June 17, 2021
|[[Company:Turbonomic|Turbonomic]]
|Acquisition to expand AAIOps (the use of AI to automate IT Operations) to application and infrastructure observability
| {{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|title=IBM to Acquire Turbonomic Building Industry's Most Comprehensive AIOps Capabilities for Hybrid Cloud|url=https://newsroom.ibm.com/2021-04-29-IBM-to-Acquire-Turbonomic-Building-Industrys-Most-Comprehensive-AIOps-Capabilities-for-Hybrid-Cloud}}</ref><ref>{{Cite web|title=IBM Closes Acquisition of Turbonomic to Deliver Comprehensive AIOps Capabilities for Hybrid Cloud|url=https://newsroom.ibm.com/2021-06-17-IBM-Closes-Acquisition-of-Turbonomic-to-Deliver-Comprehensive-AIOps-Capabilities-for-Hybrid-Cloud}}</ref>
|-
|July 8, 2021
|BoxBoat Technologies
|DevOps consultancy and enterprise Kubernetes certified service provider
| {{Flag|USA}}
|Not disclosed
|<ref>{{Cite web|title=IBM to Acquire Premier Hybrid Cloud Consulting Firm|url=https://newsroom.ibm.com/2021-07-08-IBM-to-Acquire-Premier-Hybrid-Cloud-Consulting-Firm}}</ref>
|-
|July 15, 2021
|Bluetab Solutions Group, S.L.
|Hybrid cloud data and analytics consulting
| {{Flag|SPA}}
|Not disclosed
|<ref>{{Cite web|title=IBM to Acquire Bluetab to Expand Data and Hybrid Cloud Consulting Services in Europe and Latin America|url=https://newsroom.ibm.com/2021-07-15-IBM-to-Acquire-Bluetab-to-Expand-Data-and-Hybrid-Cloud-Consulting-Services-in-Europe-and-Latin-America}}</ref>
|}

==Spinoffs==
*1934 - Dayton Scale Division is sold to the Hobart Manufacturing Company.
*1942 - Ticketograph Division is sold to the National Postal Meter Company.
*1958 - Time Equipment Division is sold to the Simplex Time Recorder Company.
*1974 - [[Organization:Service Bureau Corporation|Service Bureau Corporation]] sold to [[Company:Control Data Corporation|Control Data Corporation]]
*1984 - Prodigy, formerly a joint venture with Sears, Roebuck and Company.
*1985 - [[Company:Satellite Business Systems|Satellite Business Systems]] sold to MCI Communications
*1988 - Copier/Duplicator business, including service and support contracts, sold to Eastman Kodak.<ref>{{cite web|url=http://www-03.ibm.com/ibm/history/history/year_1988.html |title=IBM Archives: 1980s |date=23 January 2003 |publisher=03.ibm.com |access-date=2013-12-20}}</ref><ref>{{cite web|author=APPublished: October 20, 1988 |url=https://query.nytimes.com/gst/fullpage.html?res=940DE0DD1330F933A15753C1A96E948260 |title=COMPANY NEWS; Kodak Buys I.B.M. Copier Agreements |work=New York Times |date=1988-10-20 |access-date=2013-12-20}}</ref>
*1990 - ARDIS mobile packet network, a joint venture with [[Company:Motorola|Motorola]]. Motorola buys IBM's 50% interest in 1994. Now [https://web.archive.org/web/20000620141220/http://www.motient.com/ Motient].
*1991 - [[Company:Lexmark|Lexmark]] (keyboards, typewriters, and printers). IBM retained a 10% interest. Lexmark has sold its keyboard and typewriter businesses.
*1991 - Kaleida, a joint Multimedia software venture with Apple Computer.
*1992 - [[Software:Taligent|Taligent]], a joint software venture with Apple Computer.
*1992 - IBM Commercial Multimedia Technologies Group, spun off to form private company Fairway Technologies.
*1992 - IBM sells its remaining 50 percent stake in the Rolm Company to Siemens A.G. of Germany.<ref>{{cite web|url=https://www.nytimes.com/1992/05/08/business/company-news-rolm-sale-by-ibm-to-siemens.html|author=Lohr, S.|title=Rolm Sale By I.B.M. To Siemens|work=New York Times|date=May 8, 1992}}</ref>
*1994 - [https://web.archive.org/web/20060720014442/http://www.xyratex.com/ Xyratex] enterprise data storage subsystems and network technology, formed in a management buy-out from IBM.
*1995 - Advantis (Advanced Value-Added Networking Technology of IBM & Sears), a voice and data network company. Joint Venture with IBM holding 70%, Sears holding 30%. IBM buys Sears' 30% interest in 1997. AT&T acquires the infrastructure portion of Advantis in 1999, becoming the AT&T Global Network. IBM retained business and strategic outsourcing portions of the joint venture.
*1994 - Federal Systems Division sold to Loral becoming Loral Federal Systems. The Federal Systems Division performed work for NASA.  Loral was later acquired by [[Company:Lockheed Martin|Lockheed Martin]].
*1996 - [[Company:Celestica|Celestica]], Electronic Manufacturing Services (EMS).
*1998 - IBM Global Network sold to AT&T to form AT&T Business Internet.
*1999 - Dominion Semiconductor (DSC) IBM sells its 50% share to JV partner [[Company:Toshiba|Toshiba]].  DSC becomes a wholly owned subsidiary of Toshiba.
*2001 - Information Services Extended department, developer of specialized databases and software for telephone directory assistance, is spun off to form privately held company ISx, Inc (later sold to [http://www.localmatters.com Local Matters]).
*December 31, 2002 - IBM sells its HDD business to Hitachi Global Storage Technologies for approximately $2 billion. Hitachi Global Storage Technologies now provides many of the hardware storage devices formerly provided by IBM, including IBM hard drives and the Microdrive. IBM continues to develop storage systems, including [[Physics:Tape drive|tape backup]], storage software and enterprise storage.
*December 2004 - [[Company:Lenovo|Lenovo]] acquires 90% interest in IBM Personal Systems Group, 10,000 employees and $9 billion in revenue.
*April 3, 2006 - Web analytics provider Coremetrics acquires SurfAid Analytics, a standalone division of IBM Global Services. The deal was said to be in the "eight-figure" range, making it worth at least $10 million. (Note: Since then Coremetrics has in turn been acquired by IBM)
*January 25, 2007 - Three-year joint venture with IBM Printing Systems division and [[Company:Ricoh|Ricoh]] to form new Ricoh-owned subsidiary, InfoPrint Solutions Company, for $725 million.
*September 2009 - IBM launches online business IT video advice service in association with [https://web.archive.org/web/20101006233859/http://www.guruonline.tv/it GuruOnline].
*September 2009 - IBM sells its U2 multivalue database and application development products (created by VMark, UniData, System Builder and Prime Computer, obtained via the Informix acquisition) to Rocket Software
*April 2012 - IBM sells its Retail Store Solutions division (Point-of-Sales) to [[Company:Toshiba|Toshiba TEC]]<ref>{{cite press release | title = Toshiba TEC to Acquire IBM's Retail Store Point-of-Sale Solutions Business; Agreement Allows Both to Tap Growing Smarter Commerce Opportunity | publisher = [[Company:IBM|IBM]] | date = 2012-04-17 | url =http://www-03.ibm.com/press/us/en/pressrelease/37446.wss | access-date = 2012-04-17}}</ref>
*January 2014 - IBM sells its IBM System x business to [[Company:Lenovo|Lenovo]] for $2.3 billion.<ref>{{cite web|url=https://www-03.ibm.com/press/us/en/pressrelease/43016.wss|title=Lenovo Plans to Acquire IBM's x86 Server Business|date=2014-01-24|publisher=[[Company:IBM|IBM]]}}</ref>
*October 2014 - IBM sells its [[Engineering:Microelectronics|microelectronics]] (computer chips) business to [[Company:GlobalFoundries|GlobalFoundries]]. IBM will pay GlobalFoundries $1.5 billion over 3 years to take over the business.<ref>{{cite press release | title = GLOBALFOUNDRIES to Acquire IBM's Microelectronics Business | publisher = [[Company:IBM|IBM]] | date = 2014-10-20 | url =http://www-03.ibm.com/press/us/en/pressrelease/45110.wss | access-date = 2014-10-21}}</ref>
*December 2014 - [[Company:UNICOM Global|UNICOM Global]] Acquires IBM Rational Focal Point and IBM Rational Purify Plus <ref>{{cite web|url=https://www.unicomglobal.com/news/unicom-global-acquires-ibm-rational-focal-point-and-rational-purifyplustm-solutions-ibm-corp/|title=UNICOM® Global Acquires IBM® Rational® Focal Point and Rational® PurifyPlusTM Solutions from IBM Corp.: Transaction Brings Over 2,000 Customers in 40 Countries to UNICOM|date=2015-01-01|publisher=UNICOM Global}}</ref>
*January 2015 - IBM sells Algorithmics Collateral to SmartStream Technologies <ref>{{cite web|url=https://www.smartstream-stp.com/Company/Press_Releases/2015/02/04_SmartStream_Acquires_Algorithmics_Collateral_Assets_From_IBM|title=SmartStream Acquires Algorithmics Collateral Assets From IBM to Further Expand its Cash and Liquidity Management Offerings|date=2015-02-04|publisher=SmartStream}}</ref>
*December 2015 - UNICOM Global Acquires IBM Rational System Architect <ref>{{cite web|url=https://www.unicomsi.com/news-events/news/unicom-global-acquires-ibm-rational-system-architect-ibm-corp/|title=UNICOM® Global Acquires IBM® Rational® System Architect from IBM Corp.: Acquisition is the 7th Transaction between IBM and UNICOM in 24 months|date=2015-12-31|publisher=UNICOM Systems, Inc}}</ref>
*December 2018 - HCL Technologies to Acquire Select IBM Software Products for $1.8B.<ref>{{cite web|url=HCL Technologies to Acquire Select IBM Software Products for $1.8B|title=HCL Technologies to Acquire Select IBM Software Products for $1.8B|date=2018-12-06|publisher=[[Company:IBM|IBM]]}}</ref>
*July 2019 - IBM Watson Marketing business spins off into standalone company Acoustic, after acquisition by Centerbridge Partners<ref>{{cite web|url=https://www.zdnet.com/article/ibms-watson-marketing-breaks-off-into-separate-company/ |title=IBM's Watson Marketing breaks off into separate company |publisher=ZDNet |access-date=2020-12-10}}</ref><ref>{{cite web|url=https://www.ibm.com/supply-chain/acoustic-divestiture |title=IBM Watson Marketing is now Acoustic |publisher=IBM |access-date=2020-12-10}}</ref>
*October 8, 2020 - IBM announced it was spinning off the Managed Infrastructure Services unit of its Global Technology Services division into a new public company, an action expected to be completed by the end of 2021.<ref>{{Cite web|url=https://www.cnbc.com/2020/10/08/ibm-shares-surge-on-plans-to-spin-off-unit-into-separate-publicly-traded-company-.html|title=TECH IBM shares soar on plans to spin off its IT infrastructure unit and focus on the cloud business|date=2020-10-08|website=www.cnbc.com|language=en-US|access-date=2020-10-08}}</ref>

== See also ==
* List of largest mergers and acquisitions
* Lists of corporate acquisitions and mergers

==References==
{{Reflist|2|refs=
<ref name=GT-1996-33-01>{{Cite news | title =IBM to acquire Data Sciences | newspaper =New Straits Times  | url=https://news.google.com/newspapers?nid=1309&dat=19960307&id=9_1OAAAAIBAJ&pg=4876,3226990| access-date = 29 August 2012}}</ref>
}}

==External links==
*[http://www.ibm.com/investor/strategy/acquisitions.wss IBM list of selected acquisitions]


{{DEFAULTSORT:List Of Mergers And Acquisitions By Ibm}}
[[Category:Computing-related lists|IBM Acquisitions]]

{{Sourceattribution|List of mergers and acquisitions by IBM|1}}