Company lists · Data refreshed October 2026

Top 25 Clean energy investors based in London, United Kingdom

Name: Clean energy investors based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 213 companies tracked

RevenueBase identified 213 company matches for clean energy investors associated with London, United Kingdom as of October 2026 and tracks 18,498 professional contacts across them, including 7,486 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for clean energy investors associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 SmartSearch · Exact Recorded Oct 9, 2026 How this list was built

213Companies

18,498Contacts tracked

7,486Verified emails

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The 25 largest clean energy investors based in London, United Kingdom

Ranked by team size

Top 25 of 213 company matches for clean energy investors based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Subsea7	Exact match	London, United KingdomHQ recorded Oct 9, 2026	10001+	13,098 contacts →
	Exact match “Subsea7 makes offshore energy transition possible through the continuous evolution of lower-carbon oil and gas and by enabling the growth of renewables and emerging energy.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Lightsource BP	Exact match	London, United KingdomHQ recorded Oct 9, 2026	1,001-5,000	1,116 contacts →
	Exact match “Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Sonnedix	Exact match	London, United KingdomHQ recorded Oct 9, 2026	501-1,000	593 contacts →
	Exact match “Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Cubico Sustainable Investments	Exact match	London, United KingdomHQ recorded Oct 9, 2026	501-1,000	423 contacts →
	Exact match “Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Zenobē	Exact match	London, United KingdomHQ recorded Oct 9, 2026	201-500	358 contacts →
	Exact match “We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	LOW Carbon	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	189 contacts →
	Exact match “Low Carbon creates renewable energy to fight climate change.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Octopus Energy Generation	Exact match	London, United KingdomHQ recorded Oct 9, 2026	201-500	167 contacts →
	Exact match “At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Schroders Greencoat LLP	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	130 contacts →
	Exact match “Schroders Greencoat is a specialist investment manager dedicated to renewable infrastructure, with over £8.5 billion under management.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	Nextenergy Capital	Exact match	London, United KingdomHQ recorded Oct 9, 2026	201-500	75 contacts →
	Exact match “NextEnergy Capital was founded in 2007 to become the leading specialist investment and asset manager in the solar sector.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Climate Investment CI	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	61 contacts →
	Exact match “Climate Investment is a US and UK-based independently managed specialist investor focused on accelerating capital-efficient decarbonization of heavy emitting sectors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Nexta Capital Partners	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	58 contacts →
	Exact match “Nexta Capital Partners is a holding company which originates, develops, finances builds and operates renewable infrastructure assets.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Elements Green	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	58 contacts →
	Exact match “Elements Green (EG) is a leading renewable energy developer headquartered in London, specialising in utility-scale solar PV systems and battery energy storage solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Temporis Capital	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	57 contacts →
	Exact match “Temporis was founded in 2011 by three seasoned investment industry professionals.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Innova	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	55 contacts →
	Exact match “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	ARC Power	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	49 contacts →
	Exact match “ARC Power is at the forefront of renewable energy innovation in Africa, dedicated to transforming lives through energy access in underserved regions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Bluefield Partners LLP	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	47 contacts →
	Exact match “Founded in 2009, Bluefield Partners LLP is a European renewables specialist, investing across the full lifecycle of greenfield and brownfield opportunities in solar, wind, and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Gore Street Capital	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	44 contacts →
	Exact match “Gore Street Capital was formed in 2015 as a global platform to acquire and manage renewable energy assets.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Bluewater	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	43 contacts →
	Exact match “Bluewater is a specialist international private equity firm focused on the middle-market energy sector.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	National Energy	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	39 contacts →
	Exact match “Founded in 2018 by ambitious entrepreneurs, National Energy is a US-backed, privately funded group active globally across the renewable energy sector.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Repowering London	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	34 contacts →
	Exact match “Repowering develops renewable energy projects to build resilient, skilled communities and lead London to a low-carbon future.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Zouk Capital LLP	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	34 contacts →
	Exact match “Zouk Capital is a fund manager focused on the opportunities emerging at the intersection of infrastructure, technology and sustainability.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	ETF Partners	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	33 contacts →
	Exact match “Founded in 2005, ETF Partners (The Environmental Technologies Fund) stands as Europe's original venture capital firm dedicated to sustainability and impact investing.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Renewable Power Capital	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	32 contacts →
	Exact match “We invest in the development, construction, and long-term ownership of solar, onshore wind and battery storage projects, enabling the energy transition and driving stable…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Natpower UK	Exact match	London, United KingdomHQ recorded Oct 9, 2026	51-200	31 contacts →
	Exact match “NatPower UK has the largest clean energy development programme in the UK, aiming at integrating large scale smart clean energy generation and distribution with large scale…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Asper Investment Management	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	27 contacts →
	Exact match “Asper Investment Management is a leading specialist investment management firm focused on building large-scale sustainable energy platforms.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “clean energy investors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 213 clean energy investors based in London, United Kingdom

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Clean energy investors based in London, United Kingdom at a glance

As of Oct 9, 2026

40.5%Verified-email coverage

86.8Average contacts per company

1-10Median size (employees)

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

113

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 213 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with London, United Kingdom whose business descriptions match “clean energy investors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 7,486 professional contacts with verified work emails across the full matched dataset. 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 October 9, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “clean energy investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy investors are there based in London, United Kingdom?

RevenueBase identified 213 company matches for clean energy investors associated with London, United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Subsea7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most clean energy investors?

London leads the United Kingdom with 213 company records, followed by Edinburgh (9) and Bristol (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,486 professional contacts with verified work emails tracked across these 213 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 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 SmartSearch, 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.