Company lists · Data refreshed September 2026

Top 25 Sustainability focused venture capital based in London, United Kingdom

Name: Sustainability focused venture capital based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 334 companies tracked

RevenueBase identified 334 sustainability focused venture capital headquartered in London, United Kingdom as of September 2026 and tracks 3,795 professional contacts across them, including 1,407 with verified work emails and 262 with mobile numbers. London is the largest hub.

This list covers sustainability focused venture capital headquartered in London, 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 13, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 13, 2026 86% judged on-target in blind review

334Companies

3,795Contacts tracked

1,407Verified emails

262Mobile numbers

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The 25 largest sustainability focused venture capital based in London, United Kingdom

Ranked by team size

Top 25 of 334 sustainability focused venture capital based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 13, 2026. RevenueBase Smart Search rates how each company's information relates to sustainability focused venture capital: 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	Ambipar Europe	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	10001+	335 contacts →
	Indirect evidence “At Ambipar, we are all caretakers of the planet!” Source: RevenueBase Database · checked Sep 13, 2026
2	Octopus	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	501-1,000	288 contacts →
	Indirect evidence “We encourage you to follow Simon Rogerson, Founder & CEO of Octopus Group: We’re entrepreneurs and we’re investors, on a mission to back the people, ideas and industries that will…” Source: RevenueBase Database · checked Sep 13, 2026
3	IP Group PLC	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	269 contacts →
	Indirect evidence “IP Group accelerates the impact of science for a better future.” Source: RevenueBase Database · checked Sep 13, 2026
4	Lightrock	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	141 contacts →
	Indirect evidence “Lightrock is a global investment platform supporting the growth of technology-enabled companies.” Source: RevenueBase Database · checked Sep 13, 2026
5	Index Ventures	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	112 contacts →
	Partial evidence “Index Ventures partners with exceptional entrepreneurs – those with unique insight who are intrinsically driven to make their vision a reality.” Source: RevenueBase Database · checked Sep 13, 2026
6	Octopus Ventures	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	96 contacts →
	Strong evidence “Octopus Ventures, part of Octopus Group, is one of the largest and most active venture capital investors in the UK and Europe.” Source: RevenueBase Database · checked Sep 13, 2026
7	Sustainable Development Capital, LLP Sdcl	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	74 contacts →
	Partial evidence “Sustainable Development Capital LLP (“SDCL”) is a multi-national investment and financial advisory firm, which specialises in environmental infrastructure.” Source: RevenueBase Database · checked Sep 13, 2026
8	Bridges Fund Management	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	73 contacts →
	Indirect evidence “Bridges is a specialist private markets investor.” Source: RevenueBase Database · checked Sep 13, 2026
9	CAMCO	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	65 contacts →
	Indirect evidence “Camco is a climate and impact fund manager, leading the transition to a prosperous net zero future in emerging markets.” Source: RevenueBase Database · checked Sep 13, 2026
10	ADA Ventures	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	n/a	63 contacts →
	Strong evidence “Ada Ventures is a pre-seed inclusive venture capital firm.” Source: RevenueBase Database · checked Sep 13, 2026
11	Climate Investment CI	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	62 contacts →
	Strong evidence “Climate Investment is a US and UK-based independently managed specialist investor focused on accelerating capital-efficient decarbonization of heavy emitting sectors.” Source: RevenueBase Database · checked Sep 13, 2026
12	Future Planet Capital	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	61 contacts →
	Strong evidence “Future Planet is the impact-led, global venture capital firm built to back growth companies emerging from the founders and science from the world's top universities.” Source: RevenueBase Database · checked Sep 13, 2026
13	Green Angel Ventures	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	43 contacts →
	Indirect evidence “The reference early stage investor for UK climate innovation.” Source: RevenueBase Database · checked Sep 13, 2026
14	National Energy	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	41 contacts →
	Indirect evidence “Founded in 2018 by ambitious entrepreneurs, National Energy is a US-backed, privately funded group active globally across the renewable energy sector.” Source: RevenueBase Database · checked Sep 13, 2026
15	Zouk Capital LLP	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	39 contacts →
	Strong 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 13, 2026
16	Albion Capital Group LLP	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	38 contacts →
	Strong evidence “Albion Capital is a specialist venture capital investor that has backed visionary founders and technologies since 1996.” Source: RevenueBase Database · checked Sep 13, 2026
17	Ascension	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	35 contacts →
	Strong evidence “Ascension is an early-stage venture capital firm built and managed by exited operators and entrepreneurs to back the next generation of tech and impact founders.” Source: RevenueBase Database · checked Sep 13, 2026
18	Asper Investment Management	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	32 contacts →
	Partial evidence “Asper Investment Management is a leading specialist investment management firm focused on building large-scale sustainable energy platforms.” Source: RevenueBase Database · checked Sep 13, 2026
19	Bethnal Green Ventures	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	n/a	32 contacts →
	Partial evidence “Bethnal Green Ventures is Europe’s leading early-stage tech for good VC.” Source: RevenueBase Database · checked Sep 13, 2026
20	AP Ventures	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	31 contacts →
	Strong evidence “AP Ventures is an independent venture capital firm headquartered in London, with offices in San Francisco and South Africa.” Source: RevenueBase Database · checked Sep 13, 2026
21	ETF Partners	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	29 contacts →
	Strong evidence “Founded in 2005, ETF Partners (The Environmental Technologies Fund) stands as Europe's original venture capital firm dedicated to sustainability and impact investing.” Source: RevenueBase Database · checked Sep 13, 2026
22	RAW Ventures	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	29 contacts →
	Indirect evidence “With European roots and decades of experience, we invest globally in exceptional startups and talented teams.” Source: RevenueBase Database · checked Sep 13, 2026
23	PI Labs	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	28 contacts →
	Indirect evidence “The VC backing the innovators who are transforming our relationship with the built world and its impact on people, business, and the environment.” Source: RevenueBase Database · checked Sep 13, 2026
24	Pembroke VCT	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	27 contacts →
	Indirect evidence “Founded in 2013 and managed by Pembroke Investment Managers LLP, Pembroke VCT plc backs growth-stage companies across the consumer, business services, and technology sectors.” Source: RevenueBase Database · checked Sep 13, 2026
25	Arch Emerging Markets Partners Limited	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	26 contacts →
	Indirect evidence “ARCH Emerging Markets Partners Limited (ARCH) was founded in March 2018 and is a specialist investment advisor with deep emerging market, private equity, asset management and…” Source: RevenueBase Database · checked Sep 13, 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: sustainability focused venture capital. 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 sustainability focused venture capital.
Partial evidence: Its own public description names part of sustainability focused venture capital, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sustainability focused venture capital. 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 334 sustainability focused venture capital based in London, United Kingdom

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Sustainability focused venture capital based in London, United Kingdom at a glance

As of Sep 13, 2026

37.1%Verified-email coverage

6.9%Mobile-number coverage

11.4Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

213

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 16.0d

1,1130–30

27931–60

661–90

190–180

8180+

Company record updated

Median 58.0d

00–30

1,99331–60

1,23261–90

34490–180

226180+

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 sustainability focused venture capital, 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 London, United Kingdom whose own description of what they do matches “sustainability focused venture capital”. 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 sustainability focused venture capital), 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 sustainability focused venture capital, and records with no verified work email. Companies headquartered outside London 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, 1,407 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 13, 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.

Sustainability focused venture capital by metro in the United Kingdom

Sustainability focused venture capital in London334

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 sustainability focused venture capital, 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 sustainability focused venture capital are there based in London, United Kingdom?

RevenueBase identified 334 sustainability focused venture capital headquartered in London, 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?

Ambipar Europe, headquartered in London, tops this list with the largest team on record.

Which city has the most sustainability focused venture capital?

London leads with 334 headquartered companies, followed by Edinburgh (7) and Manchester (5).

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 1,407 verified decision-maker contacts tracked across these 334 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 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 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.