About 3i Infrastructure
3i Infrastructure is a publicly listed company based in Saint Helier (Jersey) founded in 2007 by Cressida Hogg. European infrastructure investments are managed by this private equity firm. 3i Infrastructure has completed 9 acquisitions, including Attero, Elenia and Infinis Energy. Its focus areas include Investment Industry, Private Equity Funds and Growth Equity.
Company details
3i Infrastructure, based in Saint Helier, focuses on investment industry, private equity funds, and growth equity. PE firm invests in Europe. The company prioritizes operational excellence, innovation, and customer-centric approaches for success. It continues to evolve, meeting industry challenges with strategic approaches.
- Headquarters Saint Helier, Jersey
- Founders Cressida Hogg
- Stage Public
- SectorsFinancial Services
- Website 3i-infrastructure.com
- Social LinkedIn X Facebook
- Legal Name 3I Infrastructure Plc
- Annual Revenue$288.66 M (USD)6.86as on Mar 31, 2026
- Net Profit$390.62 M (USD)-11.41as on Mar 31, 2026
- EBITDA$430.35 M (USD)-6.88as on Mar 31, 2026
- Investments & AcquisitionsAttero
& 8 more
People of 3i Infrastructure
10 people are tracked at 3i Infrastructure (10 in leadership).
| Name | Role | Group |
|---|---|---|
Cressida Hogg | Co-Founder & Managing Partner | Leadership |
Martin Magee | Non Executive Director | Leadership |
Scott Moseley | Managing Partner | Leadership |
Doug Bannister | Non Executive Director | Leadership |
Stephane Grandguillaume | Partner | Leadership |
Phil White | Vice Chairman | Leadership |
Anna Dellis | Partner | Leadership |
Tim Short | Partner | Leadership |
John Cavill | Partner | Leadership |
Stephanie Hazell | Non Executive Director | Leadership |
Complete people profiles for 3i Infrastructure
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IPO & Listings of 3i Infrastructure
3i Infrastructure is a publicly listed company on the LSE with ticker symbol 3IN in UK, operating in the Finance sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date13 Mar 2007
- Listed onLSE: 3IN
- Listed entity3i Infrastructure PLC
- Exchange sectorFinance
- ISINJE00BF5FX167
- Share price396.40 GBX (+0.48% on the day) · 2026-10-14
- Market capitalisation3,638,670,750.00 GBX
- Price to earnings12.4
- EPS (diluted, trailing year)0.32 GBX
- Dividend yield3.41%
- Volume (last session)333,651
Financials of 3i Infrastructure
| Year | Revenue | Net income | EBITDA |
|---|---|---|---|
| 2025 | 218.0M GBP | 295.0M GBP | 325.0M GBP |
| 2024 | 204.0M GBP | 333.0M GBP | 349.0M GBP |
| 2023 | 194.0M GBP | 347.0M GBP | 368.0M GBP |
| 2022 | 158.0M GBP | 394.0M GBP | 420.0M GBP |
| 2021 | 133.0M GBP | 404.0M GBP | 412.0M GBP |
Detailed financial statements for 3i Infrastructure
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Investments & Acquisitions by 3i Infrastructure
3i Infrastructure has strategically engaged in corporate development activities, having acquired 9 companies. Notable acquisitions include Attero, Elenia and Infinis Energy.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
SRL Traffic Systems is engaged in designing and manufacturing mobile intelligent traffic systems. | srl.co.uk | Middlewich, United Kingdom | 2010 | Dec 2021 | $252.7M | |
Commercial real estate properties are developed and managed by Ionisos. | ionisos.com | Dagneux, France | 1998 | Jul 2019 | $234.17M | |
Smart meter installation, meter reading & data management services provider | joulz.nl | Delft, Netherlands | 2004 | Mar 2019 | $248.02M | |
High-capacity offshore networks are provided for energy sectors. | tampnet.com | Stavanger, Norway | 2001 | Jul 2018 | $257.23M | |
Waste-to-energy facilities services are provided in the Netherlands. | attero.nl | Haelen, Netherlands | 1921 | Apr 2018 | $247.31M | |
Renewable Energy developer | infinis.com | Northampton, United Kingdom | 2006 | Oct 2016 | $225.43M | |
Ground support equipment is supplied to airlines and airports worldwide. | tcr-group.com | Steenokkerzeel, Belgium | 1999 | Jul 2016 | $438.16M | |
Electricity grid services and energy solutions are provided. | elenia.fi | Tampere, Finland | 2012 | Jan 2012 | •••• | |
Electricity is supplied across Finland by Vattenfall. | vattenfall.fi | Helsinki, Finland | 1998 | Dec 2011 | •••• |
Complete acquisition details for 3i Infrastructure
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Timeline of 3i Infrastructure
11 dated milestones of 3i Infrastructure across 14 years, from founding to its latest funding, stage changes and deals.
- Founded 3i Infrastructure is founded.
- IPO Lists on the stock exchange (IPO).
- Acquisition Acquires Vattenfall.
- Acquisition Acquires Elenia.
- Acquisition Acquires TCR Group.
- Acquisition Acquires Infinis Energy.
- Acquisition Acquires Attero.
- Acquisition Acquires Tampnet.
- Acquisition Acquires Joulz.
- Acquisition Acquires Ionisos.
- Acquisition Acquires SRL Traffic Systems.
Web traffic of 3i Infrastructure
The website of 3i Infrastructure (3i-infrastructure.com) receives about 9.9K visits a month.
- Monthly visits9.9K
▲ 74.2% vs previous month
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Frequently Asked Questions about 3i Infrastructure
3i Infrastructure was founded in 2007.
3i Infrastructure is headquartered in Saint Helier, Jersey.
Annual revenue of 3i Infrastructure is $288.66M as on Mar 31, 2026.
3i Infrastructure, based in Saint Helier, focuses on investment industry, private equity funds, and growth equity. PE firm invests in Europe. The company prioritizes operational excellence, innovation, and customer-centric approaches for success. It continues to evolve, meeting industry challenges with strategic approaches.
Yes, 3i Infrastructure is publicly traded on LSE under the ticker symbol 3IN.
3i Infrastructure has made 9 acquisitions, including Attero, Elenia, and Infinis Energy.