3i Group Plc operates as a private equity and venture capital company. It operates through the following segments: Private Equity, Infrastructure, and Scandlines. The Private Equity segment involves in the investment and asset management to generate capital returns. The Infrastructure segment includes investing in economic infrastructure and greenfield projects in developed economies. The Scandlines segment involves in delivering long term capital returns. The company was founded in 1945 and is headquartered in London, the United Kingdom.