3i

3i Group plc
Formerly
  • Finance for Industry Public Limited Company (1973–1983)
  • Investors in Industry Group plc (1983–1988)
TypePublic
ISINGB00B1YW4409
IndustryCorporate finance
Founded1945 (1945)
FounderBank of England and a syndicate of British banks
HeadquartersLondon, England, UK
Key people
Services
Increase £5,275 million (2026)
Increase £5,294 million (2026)
AUM£36.8 billion (2026)
Number of employees
c.250 (2024)
Websitewww.3i.com Edit this at Wikidata

3i Group plc is a British multinational private equity and infrastructure investment company based in London, England. 3i is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.