Company lists · Data refreshed September 2026

Top 25 Sustainable venture capital firms based in London, United Kingdom

Name: Sustainable venture capital firms 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 285 companies tracked

RevenueBase identified 285 company matches for sustainable venture capital firms associated with London, United Kingdom as of September 2026 and tracks 2,639 professional contacts across them, including 1,143 with verified work emails and 252 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for sustainable venture capital firms 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 September 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 Sep 13, 2026 How this list was built

285Companies

2,639Contacts tracked

1,143Verified emails

252Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sustainable venture capital firms based in London, United Kingdom

Ranked by team size

Top 25 of 285 company matches for sustainable venture capital firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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	Lightrock	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	141 contacts →
	Exact match “Lightrock is a global investment platform supporting the growth of technology-enabled companies.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	UNLTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	119 contacts →
	Exact match “UnLtd's mission is to reach out and unleash the energies of people who can transform the world in which they live.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Index Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	112 contacts →
	Exact match “Index Ventures partners with exceptional entrepreneurs – those with unique insight who are intrinsically driven to make their vision a reality.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Octopus Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	96 contacts →
	Exact match “Octopus Ventures, part of Octopus Group, is one of the largest and most active venture capital investors in the UK and Europe.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Bridges Fund Management	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	73 contacts →
	Exact match “Bridges is a specialist private markets investor.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	Future Planet Capital	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	61 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Emerge VC	Exact match	London, United KingdomHQ recorded Sep 13, 2026	n/a	46 contacts →
	Exact match “Emerge - First money in for founders building the future of human capital development.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Hummingbird Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	45 contacts →
	Exact match “Hummingbird Ventures is an agile investor in entrepreneurial genius.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Greenbank	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	45 contacts →
	Exact match “Tailored investment services, delivered sustainably.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Northzone	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	43 contacts →
	Exact match “Northzone is a technology investment partnership.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	Zouk Capital LLP	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	39 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 · Sep 13, 2026 · View company records in RevenueBase
12	Albion Capital Group LLP	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	38 contacts →
	Exact match “Albion Capital is a specialist venture capital investor that has backed visionary founders and technologies since 1996.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Ascension	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	35 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	Tribe Impact Capital	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	34 contacts →
	Exact match “Tribe is the UK’s first dedicated Impact Wealth Manager and offers discretionary and advisory portfolio management.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	Bethnal Green Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	n/a	32 contacts →
	Exact match “Bethnal Green Ventures is Europe’s leading early-stage tech for good VC.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	ETF Partners	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	29 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 · Sep 13, 2026 · View company records in RevenueBase
17	RAW Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	29 contacts →
	Exact match “With European roots and decades of experience, we invest globally in exceptional startups and talented teams.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	PI Labs	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	28 contacts →
	Exact match “The VC backing the innovators who are transforming our relationship with the built world and its impact on people, business, and the environment.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19	Pembroke VCT	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	27 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	Arch Emerging Markets Partners Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	26 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21	Pontaq	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	24 contacts →
	Exact match “At Pontaq, we are dedicated to fostering cross-border investments and innovation, driving growth in startup ecosystems worldwide.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22	3x Capital	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	24 contacts →
	Exact match “We invest in exceptional founders and support them with capital, strategic guidance, and access to a global network.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23	COCOA	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	24 contacts →
	Exact match “We are VCs turned angels supporting founders as their in-house VC.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24	Advance Global Capital	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	22 contacts →
	Exact match “Advance Global Capital is a global impact investment management company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
25	Arāya Ventures	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	21 contacts →
	Exact match “Empowering Founders to Flourish The way we experience healthcare, live consciously, work productively, shop experientially and grow our wealth is transforming at rapid pace.” Recorded in the RevenueBase company graph · Sep 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 “sustainable venture capital firms”. 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 285 sustainable venture capital firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,143 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Sustainable venture capital firms based in London, United Kingdom at a glance

As of Sep 13, 2026

43.3%Verified-email coverage

9.5%Mobile-number coverage

9.3Average contacts per company

1-10Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

188

11-50

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

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

Email last verified

Median 16.0d

8930–30

23831–60

561–90

190–180

6180+

Company record updated

Median 54.0d

00–30

1,58331–60

62961–90

23590–180

192180+

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 “sustainable venture capital firms” 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 1,143 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 September 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 “sustainable venture capital firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable venture capital firms are there based in London, United Kingdom?

RevenueBase identified 285 company matches for sustainable venture capital firms associated with London, United Kingdom as of September 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?

Lightrock 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 sustainable venture capital firms?

London leads the United Kingdom with 363 company records, followed by Edinburgh (8) and Birmingham (5).

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 1,143 professional contacts with verified work emails tracked across these 285 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 September 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 285 sustainable venture capital firms based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Sustainable venture capital firms by geography

Browse the directory

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.