3i Infrastructure plc

Investor type

PE

Founded

1945

AUM

-

Location

London, England, United Kingdom

Investment Ticket

$100+ m

Investment Stage

Series B Late Stage (Series C+) Series A

Region of investment

North America Europe Asia
Investor profile last updated: 18 August, 2026

Profile

3i Infrastructure plc is an investment firm specializing in infrastructure investments, based in Saint Helier, Jersey. Founded in 2007, the firm has a team of 12 people, including 11 partners. The company distinguishes itself through its focus on infrastructure and its strategic location in Jersey, which provides access to European markets.

3i Infrastructure invests primarily in sectors such as Business Services and Energy, with a geographical focus on Germany and India. The firm manages a diverse portfolio, having completed nine acquisitions and three funding rounds. Their investment strategy includes acquiring stakes in companies like Oiltanking and Valorem Reply.

Notable investments by 3i Infrastructure include Oiltanking - a company involved in storage logistics, and Valorem Reply - a firm specializing in IT consulting. These investments highlight the firm's focus on infrastructure and related services.

Industry

Other Telecommunications Transportation Utilities Biotechnology Business Services (B2B) Financial Services Fintech Healthcare Services MedTech Life Sciences Energy

Contacts

Name
Title
Email
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Phil White Managing Partner & Head of Infrastructure
Managing Partner & Head of Infrastructure
p•••@•••
avatar
Stephane Grandguillaume Partner
Partner
s•••@•••
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Investment-team contacts for 3i Infrastructure plc — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about 3i Infrastructure plc

3i Infrastructure plc is a private equity firm. It backs companies at Series B, Late Stage (Series C+) and Series A, writing tickets of $100+ m.
3i Infrastructure plc is located in London, England, United Kingdom.
3i Infrastructure plc was founded in 1945.
3i Infrastructure plc invests in companies and startups in Other, Telecommunications, Transportation, Utilities, Biotechnology, Business Services (B2B), Financial Services, Fintech, Healthcare Services, MedTech, Life Sciences, Energy.
3i Infrastructure plc invests in companies and startups in North America, Europe, Asia.
3i Infrastructure plc invests in companies and startups at Series B, Late Stage (Series C+), Series A.
3i Infrastructure plc usually invests $100+ m on average.
3i Infrastructure plc can be reached through its website 3i-infrastructure.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for 3i Infrastructure plc — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query 3i Infrastructure plc directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 18 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.