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3i Infrastructure
FTSE 250-listed investment company focused on economic infrastructure in developed markets
About 3i Infrastructure
3i Infrastructure was established as a subsidiary of 3i Group, a leading international investment manager focused on mid-market private equity and infrastructure. The company was founded with the vision of investing in infrastructure businesses and assets that provide essential services and have the potential for long-term growth. While specific founders' names are not readily available, the company was born out of the strategic vision of 3i Group's leadership team.
Since its inception, 3i Infrastructure has focused on investing in a diversified portfolio of infrastructure assets across Europe and North America. The company targets investments in sectors such as transportation, utilities, and social infrastructure, aiming to deliver sustainable returns to its shareholders.
A significant milestone in 3i Infrastructure's journey was its listing on the London Stock Exchange in 2007. This move not only provided the company with access to capital markets but also increased its visibility and credibility in the investment community. The IPO was a pivotal moment that allowed 3i Infrastructure to expand its investment portfolio and strengthen its position in the infrastructure sector.
Over the years, 3i Infrastructure has successfully navigated various market cycles, demonstrating resilience and adaptability. The company has consistently focused on creating value through active asset management and strategic acquisitions. Its commitment to sustainability and responsible investing has been a core part of its strategy, aligning with the growing demand for environmentally and socially responsible investments.
Today, 3i Infrastructure stands as a testament to the power of strategic vision and disciplined execution in the infrastructure investment space. The company's journey reflects its dedication to building a sustainable future while delivering value to its investors.
Source: Dealroom company dataAt a glance
- Status
- Listed
- Founded
- 1945
- Headquarters
- London, United Kingdom
- Listing
- IPO 2007
- Open positions
- None listed
- Dealroom signal
- 24.7/100
- Industry
- Fintech, Transportation
- Sector
- Fintech
- Client focus
- b2b
- Investment activity
- 8 companies, latest Mar 2026
- Capital deployed
- —
- Preferred round
- ACQUISITION
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| IPO✓Exit | Mar 2007 | $0 | — | Undisclosed | — |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
| Year | Revenue | Growth | Profit | Margin |
|---|---|---|---|---|
| 2026 | $399M | -10.9% | $391M | 98% |
| 2025 | $448M | -4.5% | $441M | 98.5% |
| 2024 | $469M | -11.3% | $460M | 98% |
| 2023 | $529M | -3.2% | ||
| 2022 | $546M | +96.2% | ||
| 2021 | $278M | -8.3% | ||
| 2020 | $303M | — |
Growth signals
Latest recorded traffic for 3i Infrastructure is 2.3K monthly website visits.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Lefdal Mine DatacenterKinn, NorwayAims to exploit Norway and Lefdal Mine’s nature that gives advantages in terms of location, green power, the low cost of power and cooling,
$440Mvaluation
Future BiogasGuildford, United KingdomFuture Biogas is at the forefront of the anaerobic digestion industry
$37Mvaluation
Global Cloud XchangeNeu-Isenburg, GermanyHome | Global Cloud Xchange
$512Mvaluation
EsvagtEsbjerg, DenmarkEsvagt is a provider of offshore safety and support at sea primarily in and around the North Sea and the Barents Sea
→
DNS:NET internet servicesBerlin, GermanyDNS:Net provides telecommunication, internet and data-center services that target private and business customers.
$334Mvaluation
IonisosDagneux, FranceSpecialist in ionising radiation sterilisation
$242Mvaluation
JoulzDelft, NetherlandsProvider of complete business electric charging solutions
$242Mvaluation
TCRDüsseldorf, GermanyTCR Group | Ground Support Equipment GSE for Airports & Aviation
→
TAMPNET ASNorwayOffshore high-capacity communication network delivering ultra-low latency and extensive 4G LTE coverage
→
Elenia GroupTampere, FinlandConsists of the electricity distribution company Elenia Oy and its wholly-owned subsidiaries
→
Eversholt Rail GroupLondon, United KingdomPassenger and freight rail rolling stock asset management services
→
Wireless Infrastructure GroupBellshill, United KingdomIndependent infrastructure company
$378Mvaluation
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Other known investors1 additional known investor
Lak Ananth
Source: Dealroom Talent Intelligence.
Global footprint
Market sentiment
An AI-synthesised read of the highest-engagement posts about 3i Infrastructure on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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