Accuris

Information Handling Services (IHS)^[1] "was founded in 1959 as Information Handling Services to provide information for aerospace engineers through microfilm databases".^[2]

It subsequently grew to incorporate other companies in the information services sector such as Cambridge Energy Research Associates, Global Insight, Jane's Information Group, Prime Publications Limited, and John S. Herold, Inc.^[3]

In 2008, IHS acquired Fairplay, a firm that assigns IMO identification numbers for ships, companies and registered owners.^[4]

In 2016, Englewood, Colorado-based IHS and London-based Markit merged.^[5][6] Jerre Stead was chief executive of the pre-merger IHS Inc. from 2006 to 2013 and from 2015 until the merger with Markit.^[2]

Markit was founded in 2003 as Mark-it Partners, a financial data provider for daily credit default swap pricing.^[7][8][9] The company grew via joint ventures and by acquiring other companies,^{[10][11][12][13]} merging with IHS in 2016.^[14][15]

On 30 November 2020, S&P Global and IHS Markit released information about a definitive all-stock deal^{[clarification needed]} for around $44 billion, a deal which would be the largest of the year globally, according to Dealogic data.^[16][17] On September 9, 2021, GlobalData announced its purchase of the Pricing and Reimbursement dataset from IHS Markit.^[18] In December 2021, the IHS Markit announced its intention to sell Base Chemicals to News Corp for a reported $295 million as part of an effort to alleviate concerns about competitive effects.^[19] The purchase by S&P Global was finalized on 28 February 2022.^[20][21]

^[22]

• 10 October 1996: IHS Group purchased oil exploration company Petroconsultants following the death of its founder and president Harry Wassall in November 1995.^[23][24] This acquisition was later followed in January 1998 by the IHS Group acquiring the North American oil exploration company Petroleum Information / Dwights LLC.^[23]
• 18 September 2008: IHS Inc. agreed to purchase the economics forecasting organization Global Insight for $200 million.^[25][26]
• 10 June 2013: R.L. Polk & Company, a provider of auto-industry data including used-car history company Carfax, for $1.4 billion.^[27]
• 26 September 2017: automotiveMastermind Inc., a provider of predictive analytics and marketing automation for the automotive industry.^[28]
• 26 September 2017: Macroeconomic Advisers, an independent research firm forecasting the US economy.^[29]
• 3 August 2018: Ipreo, software solutions and data provider in global capital markets.^[30][31]
• 10 October 2019: Novation Analytics, a specialist provider of software solutions, data analysis and advisory services.^[32][33]
• 2019: Acquired Informa's Agriculture Intelligence in exchange for most of IHS Markit's Technology, Media and Telecoms division (including Screen Digest).^[34]
• 1 May 2020: Catena Technologies Pte Ltd, a global regulatory trade reporting firm based in Singapore.

In 2023, S&P Global announced that it sold its engineering division, including the original IHS, to KKR & Co. The business was renamed Accuris.^[35]