Company lists · Data verified August 2026

Top 25 Clean energy venture capital companies based in the United Kingdom

Name: Clean energy venture capital companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 180 companies tracked

There are 180 clean energy venture capital companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,214 professional contacts across them, including 1,472 with verified work emails and 322 with mobile numbers. London is the largest hub.

This list covers clean energy venture capital companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

180Companies

3,214Contacts tracked

1,472Verified emails

322Mobile numbers

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The 25 largest clean energy venture capital companies based in the United Kingdom

Ranked by team size

Top 25 of 180 clean energy venture capital companies based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Lightsource BP	London	1,001-5,000	1,146	669
2	Fuse Energy	London	501-1,000	276	85
3	Anesco LTD	Reading	201-500	215	2
4	LOW Carbon	London	51-200	204	131
5	Octopus Energy Generation	London	201-500	152	104
6	Innova	London	51-200	76	46
7	Aura Power	Bristol	11-50	58	43
8	Renewable Power Capital	London	51-200	49	25
9	Greenfield	London	11-50	42	18
10	National Energy	London	51-200	40	26
11	AP Ventures	London	11-50	30	21
12	Zestec Renewable Energy	Bournemouth	11-50	28	2
13	Larkfleet Group Part Of Phoenix Sustainable Investments	Bourne	11-50	26	5
14	ETF Partners	London	11-50	25	17
15	Green Energy International Limited	Cheadle Hulme	11-50	25	4
16	Innovo	London	11-50	24	9
17	Pash Global	London	11-50	22	9
18	Privilege Finance	Stretham	11-50	21	13
19	Glennmont Partners From Nuveen	London	51-200	20	12
20	Boom Power	Arundel	11-50	18	13
21	Ampyr Distributed Energy	London	11-50	17	12
22	Clean Energy Transition LLP	London	11-50	14	13
23	Victory Hill Capital Partners LLP	London	11-50	14	10
24	Helios Energy Investments	London	11-50	14	9
25	HYCAP	Oxford	11-50	13	11

Showing 25 of 180 clean energy venture capital companies based in the United Kingdom

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Clean energy venture capital companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 118 HQs

322Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

105

11-50

51-200

201-500

501-1,000

1,001-5,000

Clean energy venture capital companies by metro

Metro	Companies
Clean energy venture capital companies in London	118
Clean energy venture capital companies in Oxford	3
Clean energy venture capital companies in Manchester	3
Clean energy venture capital companies in Bristol	3
Clean energy venture capital companies in City Of London	2
Clean energy venture capital companies in Edinburgh	2
Clean energy venture capital companies in Huddersfield	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “clean energy venture capital companies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many clean energy venture capital companies are there based in the United Kingdom?

There are 180 clean energy venture capital companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Lightsource BP, headquartered in London, tops this list with the largest team on record.

Which city has the most clean energy venture capital companies?

London leads with 118 headquartered companies, followed by Oxford (3) and Manchester (3).

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 1,472 verified decision-maker contacts tracked across these 180 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.