Preqin Ltd. is a privately held London-based investment data company that provides financial data and insight on the alternative assets market, as well as tools to support investment in alternatives.

Founded by Mark O’Hare and Nick Arnott, it began by listing private equity performance data, relying on the Freedom of Information Act (UK FOIA).

[2] In August 2021, Preqin fully acquired Colmore,[3] a leading private markets technology, services and administration business.

[4] Preqin won The Queen's Award for Enterprise in International Trade in 2016 and 2019,[5] was a national winner at the 2019 European Business Awards,[6] and was named as part of the Sunday Times International Track 200 in the same year.

[8] The plan was to combine Preqin’s data and research tools with Aladdin.