- Business
- 3i Infrastructure plc is a Jersey-incorporated, closed-ended investment company listed on the London Stock Exchange that invests responsibly in mid-market economic infrastructure assets, delivering long-term sustainable returns to shareholders through a diversified portfolio of equity investments in entities owning infrastructure businesses; its core investments span communications (DNS:NET, FLAG, Tampnet), energy and utilities (ESVAGT, Future Biogas, Infinis, Joulz), transport and logistics (Oystercatcher, SRL Traffic Systems, TCR), and social infrastructure (Ionisos), with key assets including fibre-to-the-home networks in Germany, subsea fibre optic cables spanning North America to Asia, offshore service operation vessels, anaerobic digestion plants producing biomethane for the UK gas grid, landfill gas-to-power generation, energy infrastructure leasing in the Netherlands, petroleum storage terminals in Singapore, temporary traffic management equipment rental in the UK, airport ground support equipment leasing across Europe and North America, and cold sterilisation facilities for medical devices. Founded in 2007 and headquartered in St. Helier, Jersey, the company focuses primarily on developed markets in Europe (particularly the UK, Germany, Netherlands, Denmark, Belgium, France, Norway), North America, Asia, and Singapore, targeting sectors aligned with megatrends such as digitalisation, energy transition, demographic change, and renewing essential infrastructure. Recent developments include the January 2025 completion of the sale of its 33% stake in Valorem for net proceeds of €309 million generating a 21% gross annual IRR and 3.6x gross money multiple, equity injections of £20 million into DNS:NET and €24 million for fibre rollout, Future Biogas completing construction of the Gonerby Moor anaerobic digestion site with a 15-year offtake agreement with AstraZeneca, TCR securing an exclusive all-electric ground support equipment pool contract at JFK International Airport New Terminal One, FLAG (formerly Global Cloud Xchange) committing $34 million in December 2024 to acquire new subsea cable capacity on India-Asia-Xpress and India-Europe-Xpress systems, and a February 2025 debt refinancing at Oystercatcher enabling a £96 million distribution.