3i Group Plc engages in the private equity and venture capital business. It operates through the following segments: Private Equity, Infrastructure, and Scandlines. The Private Equity segment is involved in 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 focuses on delivering long-term capital returns. The company was founded in 1945 and is headquartered in London, the United Kingdom.