Best Infrastructure Funds Companies in United Kingdom
The 198 best Infrastructure Funds companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Crossbay.
Ranking the top Infrastructure Funds companies in the United Kingdom by disclosed equity funding and recent momentum, this directory tracks 198 firms carrying a combined $2.4 billion in disclosed capital. That's the number to hold onto. Crossbay leads the field at $734 million, followed by TrailStone at $500 million and Gore Street Energy Storage Fund at $416 million. Three firms alone account for the bulk of that pool, which tells you something about how concentrated the real capital is. According to 2011 research on infrastructure investment frameworks, fund concentration at the top isn't unusual, but the gap between leaders and the rest here is steep. Renewable Power Capital sits at $288 million, and then the numbers drop hard.
The sector's global CAGR sits around 3.0%, driven by urban development, transportation demand, and rising civil construction values. Not explosive, but steady, and steady attracts institutional money. British International Investment, Legal & General, Societe Generale, UBS, and ACE & Company are the most active backers in this directory, a lineup that signals long-duration, asset-heavy conviction rather than speculative positioning. So what's the actual opportunity? I'd argue it's in the mid-tier firms below Crossbay and TrailStone, where $288 million and under suggests room for follow-on capital as UK infrastructure spending commitments hold.
- prnewswire.com
Ranked: Best Infrastructure Funds companies in United Kingdom
| # | Company | Disclosed funding | Last round | Revenue | Employees | Founder | Tech stack | Market signals (1y) | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ACP Infrastructure fund focused on acquiring energy businesses | — | — | — | 4 | — | — | — | — |
| 2 | Acropora Capital Infrastructure fund focused on renewable energy investments | — | — | — | — | Shahriar Sabet Founder & CEO | — | — | — |
| 3 | Actis Investor in sustainable infrastructure projects | — | — | — | 2 | Bijal Patel Managing Director | WordPress Block EditorElementorWordPress+28 | 22 signals ▲22% Acquisition · M&A | — |
| 4 | Aedificium Capital Infrastructure fund focused on multiple sectors | — | — | — | — | Damien Brady Managing Partner | — | — | — |
| 5 | Agfe Private equity firm focused on renewable energy funds | — | — | $7M FY2025 | 20 | Paul Rolles Founder | Director | — | — | — |
| 6 | AgIS Capital Infrastructure fund focused on agriculture investments | — | — | — | — | Jeffrey Conrad Cfa President and Founder | WordPress Block EditorwpBakeryWordPress+31 | — | — |
| 7 | Amber Infrastructure Infrastructure, real estate and venture capital firm focused on digital infrastructures | — | — | — | 113 113 → 177 (+57%) | Giles Frost Co-Founder | UmbracoApple iCloud MailMicrosoft ASP.NET+15 | — | 1 award |
| 8 | Amberside Capital Infrastructure funds focused on multiple sectors | — | — | — | — | David Scrivens Co-Founder & Director | — | — | — |
Top 12 Infrastructure Funds companies in United Kingdom
#1
Funding Raised · London, England · founded 2019 · 38 employees$50Mraised▾
Corporate advisory & infrastructure funds focused on multiple sectors. It is a specialist climate change investment and advisory firm, accelerating the transition to a net zero, nature positive and resilient future.
- Mar 2025Grant (prize money)$2.2M
#2
Public · London, England · founded 2018 · 3 employees$1.6Mraised▾
Infrastructure funds focused on mining sector
- Jul 2025Post IPO$1.3M
- Jan 2024Post IPO$273.4K
#3
Acquired · London, England · founded 2013 · 52 employees$500Mraised▾
Corporate backed infrastructure investment firm focused on oil & gas based sectors
- Jan 2024Conventional Debt$470.5M
- Jan 2022Conventional Debt$198.1M
- Dec 2018Conventional Debt$330M
- May 2013PE$500M
#4
Public · London, England · founded 2018$416.4Mraised▾
Infrastructure fund focused on the energy sector
- Dec 2023Post IPO$20.1M
- Apr 2022Post IPO$195.8M
- Apr 2021Post IPO$187.4M
- Oct 2019Post IPO$13.1M
#5
Series D · London, England · founded 2020 · 34 employees$734.3Mraised▾
Operator of logistics facilities for the final stage of delivery. These properties facilitate the storage and distribution of goods to support supply chains. The business manages assets that allow for the movement of products to consumers.
- Jan 2021Conventional Debt$548.6M
- Dec 2020Series D$734.3M
#6
Series D · London, England · founded 2020 · 13 employees$288Mraised▾
Infrastructure funds focused on energy investments
- Mar 2022Series D$288M
#7
Late Stage · London, England · founded 2020$148.3Mraised▾
Infrastructure funds focused on energy sectors
- Jun 2022Post IPO$148.3M
#8
Seed · London, England · founded 2019 · 1 employees$523.2Kraised▾
Infrastructure fund investing in climate-aligned essential infrastructure sectors. It invests in climate-aligned essential infrastructure by partnering with leading commercial lenders and export credit agencies.
- Sep 2024Seed$523.2K
#9
Public · St. Peter Port, Guernsey · founded 2013 · 20 employees$59.6Mraised▾
Infrastructure fund focused on solar energy projects
- Nov 2020Post IPO$59.6M
#10
Funding Raised · London, England · founded 2011$70.1Mraised▾
Infrastructure fund focused on renewable energy investments
- Aug 2019Conventional Debt$70.1M
#11
Funding Raised · London, England · founded 2009 · 56 employees$70Mraised▾
Infrastructure fund focused on agriculture investments
#12
Funding Raised · London, England · founded 2015 · 162 employees$17.5Mraised▾
Infrastructure fund focused on energy investments
- Feb 2017Grant (prize money)$17.5M
Funding & investor landscape
Notable founders
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.