RELX plc (pronounced "Rel-ex") is a British[2] multinational information and analytics company headquartered in London, England.

[6] The company continued to grow by merging with other publishers and produced high quality trade journals as IPC Business Press Ltd and women's and other consumer magazines as IPC magazines Ltd.[6] Reed entered the United States in 1977 by acquiring Cahners Publications, founded by Norman Cahners.

[10] The company's paper and packaging production operations were bundled together to form Reedpack and sold to private equity firm Cinven in 1988.

[15][16] In February 1997, Reed Elsevier divested its trade publishing group (including Heinemann, Methuen, Secker & Warburg, Sinclair-Stevenson, Mandarin, Minerva and Cedar) to Random House.

[54] In July 2007, Reed Elsevier announced its agreement to sell the remaining Harcourt Education business, including international imprint Heinemann, to Houghton Mifflin for $4 billion in cash and stock.

[57] In July 2009, Reed Elsevier announced its intention to sell most of its North American trade publications, including Publishers Weekly, Broadcasting & Cable, and Multichannel News, although it planned to retain Variety.

[67] In December 2019, RBI announced plans to sell the Farmers Weekly magazine title, website and related platforms, events and awards to MA Agriculture Limited, part of the Mark Allen Group.

In 1995, Forbes magazine (wrongly) predicted Elsevier would be "the first victim of the internet" as it was disrupted and disintermediated by the World Wide Web.

[75] LexisNexis Risk Solutions provide decision-making tools which help banks spot money launderers and insurance companies weed out fraudulent claims.

[86][87] ReedPop, part of RX, organises popular culture events including New York Comic Con and PAX.

[88] In February 2018, ReedPop acquired Gamer Network,[89] a British mass media company that owns a number of video game journalism sites including Eurogamer, Rock Paper Shotgun and VG247.

[92] As of 2021,[update] the board of directors consisted of:[93] In 2019, Harvard Business Review ranked Erik Engström the world's 11th best performing CEO.

[94] In August 2020, RELX announced Sir Anthony Habgood would retire as Chair, to be replaced by Paul Walker in the first half of 2021.

[102] Programmes operated by LexisNexis Legal & Professional include: Programmes operated by LexisNexis Risk Solutions include: The mercury contamination of the Wabigoon River in Ontario Canada by a corporate subsidiary between 1962 and 1970 was "one of the worst cases of environmental poisoning in Canadian history.

In January 2012, the boycott gained an online pledge and petition (The Cost of Knowledge) initiated by mathematician and Fields medalist Sir Timothy Gowers.

[115] In 2005, a security breach occurred through a recently purchased subsidiary, Seisint, which allowed identity thieves to steal the records of at least 316,000 people.

In 2008 the company settled an action taken against it by the Federal Trade Commission for multiple failures of security practice in how the data was stored and protected.

The settlement required Reed Elsevier and Seisint to establish and maintain a comprehensive security program to protect nonpublic personal information.

[116] Between 2005 and 2007, members of the medical and scientific communities, which purchase and use many journals published by Reed Elsevier, agitated for the company to cut its links to the arms trade.

Two UK academics, Tom Stafford of Sheffield University and Nick Gill, launched petitions calling for it to stop organising arms fairs.

[117] A subsidiary, Spearhead, organised defence shows, including an event where it was reported that cluster bombs and extremely powerful riot control equipment were offered for sale.

The company disclosed that it is "not prepared to draw a line between the transition away from fossil fuels and the expansion of oil and gas extraction.