Company lists · Data refreshed September 2026

Top 25 Enterprise infrastructure investors based in the United Kingdom

Name: Enterprise infrastructure investors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 163 companies tracked

RevenueBase identified 163 enterprise infrastructure investors headquartered in the United Kingdom as of September 2026 and tracks 17,083 professional contacts across them, including 7,304 with verified work emails and 1,362 with mobile numbers. London is the largest hub.

This list covers enterprise infrastructure investors headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

163Companies

17,083Contacts tracked

7,304Verified emails

1,362Mobile numbers

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The 25 largest enterprise infrastructure investors based in the United Kingdom

Ranked by team size

Top 25 of 163 enterprise infrastructure investors based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise infrastructure investors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Balfour Beatty PLC	Partial evidence	London, United Kingdom	10001+	10,560 contacts →
	Partial evidence “Balfour Beatty is a leading international infrastructure group.” Source: RevenueBase Database · checked Sep 2, 2026
2	Castleton Commodities International	Partial evidence	City Of London, United Kingdom	201-500	598 contacts →
	Partial evidence “Castleton Commodities International is at the cutting edge of energy trading and infrastructure asset investing backed by the best minds in the industry and powered by deep…” Source: RevenueBase Database · checked Sep 2, 2026
3	Bridgepoint Group	Strong evidence	West End, United Kingdom	201-500	566 contacts →
	Strong evidence “Bridgepoint Group is one of the world's leading mid-market investors, specialising in private equity, infrastructure, credit, secondaries and private wealth.” Source: RevenueBase Database · checked Sep 2, 2026
4	ACTIS	Strong evidence	London, United Kingdom	201-500	508 contacts →
	Strong evidence “Actis is a leading growth market investor in sustainable infrastructure.” Source: RevenueBase Database · checked Sep 2, 2026
5	Mirova	Indirect evidence	London, United Kingdom	201-500	319 contacts →
	Indirect evidence “Mirova is a global asset management company dedicated to sustainable investing and an affiliate of Natixis Investment Managers.” Source: RevenueBase Database · checked Sep 2, 2026
6	Downing	Indirect evidence	London, United Kingdom	201-500	305 contacts →
	Indirect evidence “Downing is a responsible investment manager established in London in 1986.” Source: RevenueBase Database · checked Sep 2, 2026
7	Equitix	Strong evidence	London, United Kingdom	201-500	221 contacts →
	Strong evidence “We are a responsible investor, investing in, developing and managing global infrastructure assets, which materially contribute to the lives of the communities they serve.” Source: RevenueBase Database · checked Sep 2, 2026
8	Infrared Capital Partners	Partial evidence	London, United Kingdom	51-200	194 contacts →
	Partial evidence “InfraRed is a leading international mid-market infrastructure asset manager.” Source: RevenueBase Database · checked Sep 2, 2026
9	Amber Infrastructure	Indirect evidence	London, United Kingdom	51-200	172 contacts →
	Indirect evidence “Amber is a specialist international investment manager, focused on investment origination, asset management and fund management.” Source: RevenueBase Database · checked Sep 2, 2026
10	Time Investments	Indirect evidence	London, United Kingdom	51-200	118 contacts →
	Indirect evidence “TIME Investments is a specialist investment manager focused on delivering long-term investments that seek consistent returns.” Source: RevenueBase Database · checked Sep 2, 2026
11	Entrust Global	Indirect evidence	London, United Kingdom	51-200	117 contacts →
	Indirect evidence “EnTrust Global is an alternative investment firm, headquartered in New York and London, with 11 offices globally.” Source: RevenueBase Database · checked Sep 2, 2026
12	PBE Group	Indirect evidence	London, United Kingdom	51-200	109 contacts →
	Indirect evidence “Operationally focused industrial investment group with a passion for building excellent businesses.” Source: RevenueBase Database · checked Sep 2, 2026
13	Semperian PPP Investment Partners	Indirect evidence	Bristol, United Kingdom	51-200	82 contacts →
	Indirect evidence “Semperian owns and manages over 100 assets with a value of £1.3 billion.” Source: RevenueBase Database · checked Sep 2, 2026
14	Icon Infrastructure LLP	Indirect evidence	London, United Kingdom	51-200	80 contacts →
	Indirect evidence “iCON is an independent investment group with $12 billion in funds under management.” Source: RevenueBase Database · checked Sep 2, 2026
15	Rivage Investment	Partial evidence	London, United Kingdom	51-200	76 contacts →
	Partial evidence “Rivage Investment is a global, independent asset management firm dedicated to mid-market private infrastructure credit.” Source: RevenueBase Database · checked Sep 2, 2026
16	GLP Europe	Partial evidence	Londres, United Kingdom	51-200	73 contacts →
	Partial evidence “GLP is a leading global investment manager and business builder in logistics, real estate, infrastructure, finance and related technologies.” Source: RevenueBase Database · checked Sep 2, 2026
17	Temporis Capital	Indirect evidence	London, United Kingdom	11-50	60 contacts →
	Indirect evidence “Temporis was founded in 2011 by three seasoned investment industry professionals.” Source: RevenueBase Database · checked Sep 2, 2026
18	Transmission Investment	Indirect evidence	London, United Kingdom	11-50	53 contacts →
	Indirect evidence “Transmission Investment is a leading independent energy and utility investment and advisory business with ten years of history in developing, acquiring and managing electricity…” Source: RevenueBase Database · checked Sep 2, 2026
19	Ancala	Partial evidence	London, United Kingdom	51-200	51 contacts →
	Partial evidence “Ancala is a leading independent and award-winning infrastructure manager that delivers infrastructure investment differently.” Source: RevenueBase Database · checked Sep 2, 2026
20	Infracapital	Partial evidence	London, United Kingdom	51-200	50 contacts →
	Partial evidence “Infracapital invests in, builds and manages a diverse range of essential infrastructure to meet the changing needs of society and deliver the significant investment required to…” Source: RevenueBase Database · checked Sep 2, 2026
21	Basalt Infrastructure Partners	Partial evidence	London, United Kingdom	51-200	48 contacts →
	Partial evidence “Basalt is a dedicated mid-market infrastructure equity investment firm focusing on investments in power & renewables, utilities, transport and communications & digital…” Source: RevenueBase Database · checked Sep 2, 2026
22	Arjun Infrastructure Partners	Partial evidence	London, United Kingdom	11-50	47 contacts →
	Partial evidence “Arjun Infrastructure Partners is an independent European infrastructure fund manager with €7.6bn AUM.” Source: RevenueBase Database · checked Sep 2, 2026
23	Gravis	Indirect evidence	London, United Kingdom	51-200	43 contacts →
	Indirect evidence “At Gravis we believe in a long-term approach to investment.” Source: RevenueBase Database · checked Sep 2, 2026
24	Tribe Infrastructure Group	Partial evidence	London, United Kingdom	11-50	39 contacts →
	Partial evidence “Tribe Infrastructure Group (Tribe) is an advisory and investment practice specialised in the development and financing of infrastructure transactions with a focus on long term…” Source: RevenueBase Database · checked Sep 2, 2026
25	Zouk Capital LLP	Partial evidence	London, United Kingdom	11-50	38 contacts →
	Partial evidence “Zouk Capital is a fund manager focused on the opportunities emerging at the intersection of infrastructure, technology and sustainability.” Source: RevenueBase Database · checked Sep 2, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise infrastructure investors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise infrastructure investors.
Partial evidence: Its own public description names part of enterprise infrastructure investors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise infrastructure investors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 163 enterprise infrastructure investors based in the United Kingdom

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Enterprise infrastructure investors based in the United Kingdom at a glance

As of Sep 2, 2026

42.8%Verified-email coverage

8.0%Mobile-number coverage

104.8Average contacts per company

11-50Median size (employees)

79.1%Largest-city concentration · London

Sep 2, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise infrastructure investors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “enterprise infrastructure investors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise infrastructure investors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among enterprise infrastructure investors, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 7,304 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 2, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Enterprise infrastructure investors by metro

Enterprise infrastructure investors in London129

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise infrastructure investors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise infrastructure investors are there based in the United Kingdom?

RevenueBase identified 163 enterprise infrastructure investors headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Balfour Beatty PLC, headquartered in London, tops this list with the largest team on record.

Which city has the most enterprise infrastructure investors?

London leads with 129 headquartered companies, followed by Hemel Hempstead (2) and Inverness (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,304 verified decision-maker contacts tracked across these 163 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 2, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.