Company lists · Data refreshed October 2026

Top 25 Green energy investment funds based in London, United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 273 companies tracked

RevenueBase identified 273 company matches for green energy investment funds associated with London, United Kingdom as of October 2026 and tracks 8,679 professional contacts across them, including 4,283 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for green energy investment funds 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 13, 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 13, 2026 How this list was built

273Companies

8,679Contacts tracked

4,283Verified emails

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The 25 largest green energy investment funds based in London, United Kingdom

Ranked by team size

Top 25 of 273 company matches for green energy investment funds based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Lightsource BP	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
2	Sonnedix	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
3	Foresight Group	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	548 contacts →
	Exact match “Founded in 1984, Foresight is a leading investment manager in real assets and capital for growth, operating across Europe, Australia, and the United States.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Atlantica Sustainable Infrastructure PLC	Exact match	London, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	524 contacts →
	Exact match “Atlantica is a sustainable infrastructure company that owns, manages, develops, builds and invests in renewable energy, storage, efficient natural gas and heat, transmission lines…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	ACTIS	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	500 contacts →
	Exact match “Actis is a leading growth market investor in sustainable infrastructure.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Cubico Sustainable Investments	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
7	Impax Asset Management	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	323 contacts →
	Exact match “Founded in 1998, Impax is a specialist asset manager investing in the opportunities arising from the transition to a more sustainable global economy.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	Gresham House	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	273 contacts →
	Exact match “Gresham House is a specialist investor focused on delivering financial returns for clients by investing in the global themes shaping our future.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Equitix	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	232 contacts →
	Exact match “We are a responsible investor, investing in, developing and managing global infrastructure assets, which materially contribute to the lives of the communities they serve.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	Octopus Energy Generation	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
11	Schroders Greencoat LLP	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
12	Igneo Infrastructure Partners	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	119 contacts →
	Exact match “Sustainable Value Creation Through Partnership We seek to deliver sustainable returns through investment in mature, stable, infrastructure businesses.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Nextenergy Capital	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
14	Nextenergy Group	Exact match	London, United KingdomHQ recorded Oct 13, 2026	201-500	71 contacts →
	Exact match “NextEnergy Group was founded in 2007 to become a leading market participant in the international solar sector.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	CAMCO	Exact match	London, United KingdomHQ recorded Oct 13, 2026	11-50	70 contacts →
	Exact match “Camco is a climate and impact fund manager, leading the transition to a prosperous net zero future in emerging markets.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Climate Asset Management	Exact match	London, United KingdomHQ recorded Oct 13, 2026	11-50	69 contacts →
	Exact match “Climate Asset Management was formed in 2020 as a joint venture of HSBC Asset Management and Pollination, with the ambition to grow the world’s leading asset management company in…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Econergy Renewable Energy LTD	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	66 contacts →
	Exact match “Our Vision Renewable energy will be the source of power for future generations.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Sustainable Development Capital, LLP Sdcl	Exact match	London, United KingdomHQ recorded Oct 13, 2026	11-50	64 contacts →
	Exact match “Sustainable Development Capital LLP (“SDCL”) is a multi-national investment and financial advisory firm, which specialises in environmental infrastructure.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	RAB Capital	Exact match	London, United KingdomHQ recorded Oct 13, 2026	n/a	63 contacts →
	Exact match “RAB Capital is a private company that invests in a wide range of assets based on fundamental analysis.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Ancala	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	58 contacts →
	Exact match “Ancala is a leading independent and award-winning infrastructure manager that delivers infrastructure investment differently.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Nexta Capital Partners	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
22	Elements Green	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
23	Temporis Capital	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 2026 · View company records in RevenueBase
24	Island Green Power	Exact match	London, United KingdomHQ recorded Oct 13, 2026	51-200	56 contacts →
	Exact match “Island Green Power specialises in the development of utility-scale solar projects and battery storage systems with operations across the UK, Spain, Italy, Australia and New…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Innova	Exact match	London, United KingdomHQ recorded Oct 13, 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 13, 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 “green energy investment funds”. 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 273 green energy investment funds based in London, United Kingdom

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Green energy investment funds based in London, United Kingdom at a glance

As of Oct 13, 2026

49.3%Verified-email coverage

31.8Average contacts per company

11-50Median size (employees)

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

130

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 273 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 “green energy investment funds” 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 4,283 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 13, 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 “green energy investment funds”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy investment funds are there based in London, United Kingdom?

RevenueBase identified 273 company matches for green energy investment funds 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?

Lightsource BP 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 green energy investment funds?

London leads the United Kingdom with 273 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 4,283 professional contacts with verified work emails tracked across these 273 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 13, 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.