3I INVESTMENTS PLC
3I INVESTMENTS PLC is a Series C+, buyout and infrastructure fund in the US, Europe, United Kingdom, France, Italy and Germany writing $100M–$500M checks into Climate, Consumer, Healthcare, industrial, services-software, utilities, transportation, social-infrastructure and communications.
- Stages
- Series C+, buyout, infrastructure
- Sectors
- Climate, Consumer, Healthcare, industrial, services-software, utilities, transportation, social-infrastructure, communications
- Check size
- $100M–$500M
- Invests in
- US-wide, Europe, United Kingdom, France, Italy, Germany
- Actively investing
- Yes
- Founded
- 1945
- Assets under management
- £38.7B
- Website
- 3i.com
Thesis
3i Investments PLC is a British multinational private equity and infrastructure investment firm founded in 1945. The firm's investment strategy is divided into two main areas: Private Equity and Infrastructure. In Private Equity, 3i focuses on mid-market buyouts and growth capital investments in Europe and North America, targeting companies with enterprise values between €100 million and €500 million. Key sectors include Consumer & Private Label, Healthcare, Industrial, and Services & Software. Their strategy involves a 'buy-and-build' approach to enhance value through organic growth and acquisitions. In Infrastructure, 3i invests in utilities, transportation, and social infrastructure, with a concentration in the UK, France, Italy, Germany, and other parts of Europe, as well as North America. Focus areas include communications, energy, social infrastructure, transport & logistics, and utilities. 3i operates with a long-term, responsible approach, utilizing proprietary capital and co-investors, often taking significant stakes and board seats. As of March 31, 2026, their total AUM was £38.7 billion, with £25.6 billion in Private Equity and £3.9 billion in Infrastructure. The firm employs approximately 250 people and is headquartered in London, England.
Common questions
Does 3I INVESTMENTS PLC invest at the Series C+ stage?
Yes. 3I INVESTMENTS PLC lists Series C+, buyout and infrastructure among the stages it invests in.
What check size does 3I INVESTMENTS PLC write?
3I INVESTMENTS PLC writes $100M–$500M checks.
Where does 3I INVESTMENTS PLC invest?
3I INVESTMENTS PLC invests in the US, Europe, United Kingdom, France, Italy and Germany.