3i

3i Group plc
Formerly
  • Finance for Industry Public Limited Company (1973–1983)
  • Investors in Industry Group plc (1983–1988)
Company typePublic
ISINGB00B1YW4409
IndustryCorporate finance
Founded1945 (1945)
FounderBank of England and a syndicate of British banks
HeadquartersLondon, England, UK
Key people
Services
£5,024 million (2025)
£5,038 million (2025)
AUM£31.9 billion (2025)
Number of employees
c.250 (2024)
Websitewww.3i.com

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