Editing RELX (section)

==== Significant acquisitions ====
{| class="wikitable sortable"
|-
! Division or subsidiary of RELX
! style="width: 8em" | Date
! Acquisition
! Value
|-
| Cahners Publishing
| 1986-09
| Technical Publishing Inc, a publisher of industrial, medical and technology trade magazines, from [[Dun & Bradstreet]]
| [[United States dollar|$]]250 million<ref>{{Cite web| title = Dun & Bradstreet To Sell Technical Publishing Concerns| work = AP NEWS| access-date = 2021-08-08| url = https://apnews.com/article/188ba10361825d9c4e1d4593f6633965}}</ref>
|-
| Reed Elsevier
| 1993-08
| [[Official Airline Guides]] Inc, a publisher of airline schedules
| [[United States dollar|$]]425 million<ref>{{cite web|url=https://www.chicagotribune.com/1993/08/19/british-firm-near-deal-to-acquire-airline-guides/|author=Stanley Ziemba|title=British Firm Near Deal To Acquire Airline Guides|date=19 August 1993|work=Chicago Tribune|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 1994-10
| LexisNexis, an on-line information business
| $1.5 billion<ref>{{cite web|url=https://www.latimes.com/archives/la-xpm-1994-10-05-fi-46739-story.html|title=Publisher Reed Elsevier Agrees to Buy Lexis/Nexis On-Line Business|date= 5 October 1994|work=Los Angeles Times|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 1997-03
| MDL Information Systems Inc, a US software systems and information database developer
| $320M<ref>{{cite news|url=https://www.nytimes.com/1997/03/25/business/reed-elsevier-agrees-to-buy-information-systems-company.html|title=Reed Elsevier Agrees to Buy Information Systems Company|newspaper=The New York Times|date=25 March 1997|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 1997-06
| Chilton Business Group, a US business information publishing company
| $447M<ref>{{cite web|url=https://www.wsj.com/articles/SB867056358398821000|title=Reed Elsevier buys Chilton from ABC for US$447 million in June 1997|work=The Wall Street Journal|date=23 June 1997|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 1998-04
| Matthew Bender & Company Inc, a US publisher of legal information
| $1.65bn<ref>{{cite web|url=https://money.cnn.com/1998/04/27/deals/times/|title=Times Mirror sheds units|publisher=CNN|date=27 April 1998|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 2000-10
| [[Harcourt (publisher)|Harcourt]], an education publishing business
| $4.5bn plus debt<ref>{{cite web|url=https://www.wsj.com/articles/SB972637136488029864|title=Reed Elsevier, Thomson agree to buy Harcourt for $4.45bn plus debt|work=The Wall Street Journal|date=27 October 2000|access-date=18 September 2015}}</ref>
|-
| LexisNexis
| 2004-07
| Seisint of [[Boca Raton, Florida]], which provided the company with access to HPCC Systems for the first time
| $775M<ref>{{cite news|url=https://www.washingtonpost.com/wp-dyn/articles/A50577-2004Jul14.html|title=LexisNexis To Buy Seisint For $775 Million|newspaper=The Washington Post|date=15 July 2004|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier 
| 2005-05
| Medimedia, a medical publisher whose imprints included [[Medicine Publishing]] and [[Masson (publisher)|Masson]]
| $270M<ref>{{cite web|url=http://www.ft.com/cms/s/0/5cea8dca-cdd0-11d9-9a8a-00000e2511c8.html#axzz3m7uP6HiF |archive-url=https://ghostarchive.org/archive/oRqfC |archive-date=10 December 2022 |url-access=subscription |url-status=live|title=Reed Elsevier buys medical publisher|date=26 May 2005|access-date=18 September 2015}}</ref>
|-
| Reed Elsevier
| 2008-02
| [[Choicepoint]], which had been a spinoff of [[Equifax]]'s Insurance Services Group in August 1997. The acquisition was completed in September 2008.
| $4.1bn<ref>{{cite web|url=http://www.relx.com/mediacentre/pressreleases/2008/Pages/AcquisitionofChoicePointIncCompleted.aspx|title=Acquisition of ChoicePoint Inc. completed|date=21 February 2008|access-date=7 March 2016}}</ref><ref>{{cite web|url=http://www.bizjournals.com/atlanta/stories/1997/07/14/daily19.html|title=Equifax to spinoff{{sic|nolink=y}} ChoicePoint in August|date=14 July 1997|access-date=7 March 2016}}</ref> 
|-
| Reed Business Information
| 2008-03
| Heren Energy, a London-based publisher of newsletters and market reports on the competitive wholesale energy markets in Britain and Europe. Continued as ICIS Heren.<ref>{{cite web|url=https://uk.linkedin.com/in/patrick-heren-baa53736|title=Patrick Heren activities|date=31 March 2008|access-date=11 February 2025}}</ref> 
|-
| Reed Business Information
| 2011-06
| Ascend, a London-based civil aviation data analytics company<ref>{{cite web|url=http://www.prnewswire.com/news-releases/reed-business-information-acquires-ascend-a-leading-provider-of-data-analytics-and-advisory-services-to-the-global-aviation-industry-124776043.html|title=Reed Business Information Acquires Ascend, a Leading Provider of Data, Analytics and... -- SUTTON, England, June 30, 2011 /PRNewswire/ --|date=30 June 2011|work=prnewswire.com|access-date=23 September 2015}}</ref>
| Undisclosed
|-
| Reed Elsevier
| 2011-11
| US online-data business Accuity Holdings Inc. from investment firm [[Investcorp]]
| [[Pound sterling|£]]343M ($530.1M)<ref>{{cite web|url=https://www.wsj.com/articles/SB10001424052970204831304576594020574369278|title=Reed Elsevier to Buy Accuity|work=The Wall Street Journal|date=26 September 2011|access-date=21 March 2015}}</ref>
|-
| LexisNexis Legal & Professional
| 2012-03
| [[Law360]], a US-based online provider of legal information and analysis<ref>{{cite web|url=https://www.lexisnexis.com/en-us/about-us/media/press-release.page?id=1331917568327157|title=LexisNexis Acquires Law360|publisher=LexisNexis|date=20 March 2012|access-date=19 September 2019}}</ref>
| Undisclosed
|-
| Elsevier
| 2013-04
| [[Mendeley]], a London-based desktop and web program for managing and sharing research papers, discovering research data and collaborating online<ref>{{cite web|url= https://www.theguardian.com/media/2013/apr/09/reed-elsevier-buys-mendeley|title=Reed Elsevier buys academic social network Mendeley for up to £65m|newspaper=The Guardian|date=9 April 2013|access-date=18 September 2015}}</ref>
| Undisclosed but up to $100M
|-
| LexisNexis Risk Solutions
| 2013-09
| Mapflow, a Dublin-based group that helps insurance companies assess geographic risk, in particular in relation to flooding<ref>{{cite web|url=https://www.relx.com/media/press-releases/archive/16-09-2013|title=LexisNexis® Risk Solutions Acquires Mapflow|publisher=RELX|date=16 September 2013|access-date=19 September 2019}}</ref>
| Undisclosed
|-
| LexisNexis Risk Solutions
| 2014-04
| Tracesmart, a UK-based provider of tracing, identity verification, fraud prevention and anti-money laundering software<ref>{{cite web|url=https://risk.lexisnexis.co.uk/about-us/press-room/press-release/uk-2014-01-04-tracesmart-now-lexisnexis|title=Tracesmart® is now a LexisNexis® company|publisher=LexisNexis Risk Solutions|access-date=19 September 2019}}</ref> 
| Undisclosed
|-
| LexisNexis Risk Solutions
| 2014-05
| Wunelli, a telematics data business which uses driving data for insurers, enabling them to reduce risk exposure and deliver discounts to safer drivers<ref>{{cite web|url=http://www.cityam.com/article/1400632392/reed-elsevier-buys-wunelli-beef-its-telematics-business|title=Reed Elsevier buys Wunelli to beef up Telematics business|newspaper=[[City A.M.]]|date=21 May 2014|access-date=18 September 2015}}</ref> 
| £25m
|-
| Accuity
| 2014-09
| Fircosoft, a Paris-based anti-money laundering company<ref name="ft.com">{{cite web|url=http://www.ft.com/intl/cms/s/0/bbffdd34-337d-11e4-85f1-00144feabdc0.html#axzz3dVbM5GfZ |archive-url=https://ghostarchive.org/archive/MjLEF |archive-date=10 December 2022 |url-access=subscription|author=Robert Cookson|title=Reed Elsevier to buy sanctions software group FircoSoft for €150m|date=29 September 2014|work=Financial Times|access-date=23 September 2015}}</ref>
| [[Euro|€]]150M
|-
| LexisNexis Risk Solutions
| 2014-11
| Health Market Science (HMS), a supplier of high quality data about US healthcare professionals<ref>{{cite web|url=http://www.modernhealthcare.com/article/20141113/NEWS/311139944|author=Adam Rubenfire|title=LexisNexis to acquire Health Market Science|work=Modern Healthcare|date=13 November 2014| access-date=18 September 2015}}</ref> 
| Undisclosed
|-
| LexisNexis Risk Solutions
| 2015-01
| BAIR Analytics, a US-based law enforcement data company<ref>{{cite web|url=http://www.bizjournals.com/atlanta/news/2015/01/06/lexisnexis-to-buy-bair-analytics-grow-in-public.html|title=LexisNexis to buy BAIR Analytics, grow in public safety sector|date=6 January 2015|work=Atlanta Business Chronicle|access-date=23 September 2015}}</ref>
| Undisclosed
|-
| LexisNexis Legal & Professional
| 2015-07
| MLex, a media organization providing exclusive analysis and commentary on regulatory risk<ref>{{cite web|url=http://talkingbiznews.com/1/lexisnexis-buys-regulatory-news-wire-mlex/|title=LexisNexis buys regulatory news wire MLex|date=29 July 2015|publisher=Talking Biznews|access-date=22 March 2016}}</ref>
| Undisclosed
|-
| Reed Business Information
| 2015-10
| Adaptris, a fast-growing supply chain integration business<ref>{{cite web|url=https://www.mediamergers.co.uk/rbi-acquires-software-and-esolutions-company-adaptris-group/|title=RBI acquires software and e-solutions company Adaptris Group Limited|last=Wright|first=Martin|date=29 October 2015|publisher=Media Mergers|access-date=27 October 2015}}</ref>
| Undisclosed
|-
| LexisNexis Legal & Professional
| 2015-11
| [[Lex Machina]], a US-based online provider of legal analytics<ref>{{cite web|url=https://www.prweb.com/releases/lexisnexis_acquires_premier_legal_analytics_provider_lex_machina/prweb13096119.htm|title=LexisNexis Acquires Premier Legal Analytics® Provider Lex Machina|work=PRWEB|access-date=25 November 2015}}</ref>
| Undisclosed
|-
| LexisNexis Risk Solutions
| 2016-07
| Insurance Initiatives, Ltd. (IIL), a business which provides a data distribution platform that extracts, hosts and processes large quantities of data to deliver information predominantly into the point-of-quote in the UK's Property & Casualty Insurance industry.<ref>{{Cite web|url=https://risk.lexisnexis.co.uk/about-us/press-room/press-release/2016-07-20-insurance-initiatives|title=LexisNexis Risk Solutions Acquires Insurance Initiatives Ltd.|publisher=LexisNexis Risk Solutions|date=20 July 2016|language=en-GB|access-date=19 September 2019}}</ref>
| Undisclosed
|-
| LexisNexis Legal & Professional
| 2017-06
| Ravel Law, a San Francisco-based legal analytics company<ref>{{cite web|url=https://techcrunch.com/2017/06/10/venture-backed-ravel-law-sells-to-lexisnexis/|title=Venture-backed Ravel Law sells to LexisNexis {{!}} TechCrunch|last=Loizos|first=Connie|date=10 June 2017 |access-date=2017-06-13}}</ref>
| Undisclosed
|-
| LexisNexis Risk Solutions
| 2018-01
| ThreatMetrix, one of the largest repositories of online digital identities in the world
| £580M ($830M)<ref>{{cite news|url=https://www.reuters.com/article/us-threatmetrix-m-a-relx/britains-relx-to-pay-580-million-pounds-for-digital-identity-group-threatmetrix-idUSKBN1FI0P1?il=0 |title=Britain's Relx to pay 580 million pounds for digital identity group ThreatMetrix|newspaper=Reuters|date=29 January 2018|access-date=2018-01-29}}</ref>
|-
| Reed Exhibitions
| 2018-02
| [[Eurogamer|Gamer Network]], a mass media video game journalism company<ref>{{Cite news|date=2019-03-26 |title=Eurogamer and EGX parent Gamer Network acquired by PAX organiser ReedPOP |language=en |work=MCV |url=https://mcvuk.com/business-news/events/eurogamer-and-egx-parent-gamer-network-acquired-by-pax-organiser-reedpop/ |access-date=2023-05-24 |issn=1469-4832}}</ref>
| Undisclosed
|-
|LexisNexis Risk Solutions
|2020-01
|ID Analytics <ref>{{Cite news|date=2020-01-13|title=Relx snaps up ID Analytics for $375 million|language=en|work=Reuters|url=https://www.reuters.com/article/us-idanalytics-m-a-relx-idUSKBN1ZC1EX|access-date=2020-11-18}}</ref>
|$375m
|-
|LexisNexis Risk Solutions
|2020-02
|Emailage<ref>{{Cite web|last=PYMNTS|date=2020-02-05|title=RELX Buys Anti-Fraud Startup Emailage For $480M|url=https://www.pymnts.com/news/partnerships-acquisitions/2020/analytics-co-relx-buys-anti-fraud-startup-emailage-for-480m/|access-date=2020-11-18|website=PYMNTS.com|language=en-US}}</ref>
|$480m
|-
|Elsevier
|2020-08
|Scibite<ref>{{Cite news|date=2020-08-21|title=Relx snaps up UK's pharma analysis group SciBite|language=en|work=Reuters|url=https://uk.reuters.com/article/uk-scibite-m-a-relx-idUKKBN25H0I7|archive-url=https://web.archive.org/web/20200821171812/https://uk.reuters.com/article/uk-scibite-m-a-relx-idUKKBN25H0I7|url-status=dead|archive-date=21 August 2020|access-date=2020-11-18}}</ref>
|£65m
|-
|Elsevier
|2022-06
|[[Interfolio]]<ref>{{Cite web |title=Elsevier closes Interfolio acquisition |url=https://www.elsevier.com/about/press-releases/corporate/elsevier-closes-interfolio-acquisition |access-date=2023-10-24 |website=www.elsevier.com}}</ref>
|Undisclosed
|-
|RX
|2023-07
|Corp Events<ref>{{Cite web |title=RX Acquires Corp Events, owner of Big Data & AI Paris {{!}} RX |url=https://rxglobal.com/rx-acquires-corp-events-owner-big-data-ai-paris |access-date=2023-07-29 |website=rxglobal.com}}</ref>
|Undisclosed
|}