Company lists · Data refreshed November 2026

Top 25 Cleantech venture firms worldwide

RevenueBase identified 4,123 company matches for cleantech venture firms worldwide as of November 2026 and tracks 41,679 professional contacts across them, including 12,863 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cleantech venture firms worldwide, 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 November 6, 2026. Country and city lists for cleantech venture firms follow the table.

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 Nov 6, 2026 How this list was built
4,123Companies
41,679Contacts tracked
12,863Verified emails
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The 25 largest cleantech venture firms worldwide

Ranked by team size
Top 25 of 4,123 company matches for cleantech venture firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026501-1,0001,113 contacts →

Exact match

“Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPalo Alto, United StatesHQ recorded Nov 6, 2026n/a1,038 contacts →

Exact match

“Accel is a global venture capital firm that is the first partner to exceptional teams everywhere, from inception through all phases of private company growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026n/a939 contacts →

Exact match

“Venture capital (VC) is a type of private equity financing provided by investors to early-stage, high-potential, and high-risk startups or growing companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026201-500541 contacts →

Exact match

“Claris Ltd.(Claris) is a holding company established with a long-term objective of diversifying to multiple businesses, driven by the spirit of innovation & desire to make…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026501-1,000464 contacts →

Exact match

“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200418 contacts →

Exact match

“Primary is the world's largest early stage VC firm, with a billion in assets under management and 50 full time employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500414 contacts →

Exact match

“Bessemer Venture Partners helps entrepreneurs lay strong foundations from inception to build enduring companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200407 contacts →

Exact match

“Sequoia helps daring founders build legendary companies from idea to IPO and beyond.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMenlo Park, United StatesHQ recorded Nov 6, 202651-200287 contacts →

Exact match

“New Enterprise Associates, Inc.(NEA) is a global venture capital firm focused on helping entrepreneurs build transformational businesses across multiple stages, sectors and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVancouver, ON, CanadaHQ recorded Nov 6, 2026201-500286 contacts →

Exact match

“Haywood Securities is an investment firm that values its independence and its entrepreneurial spirit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco Bay, CA, United StatesHQ recorded Nov 6, 202651-200279 contacts →

Exact match

“GV supports innovative founders across multiple stages and sectors, from artificial intelligence and life sciences to consumer platforms, enterprise software, and frontier…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200275 contacts →

Exact match

“IP Group accelerates the impact of science for a better future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAnnapolis, NY, United StatesHQ recorded Nov 6, 202651-200231 contacts →

Exact match

“HASI invests in sustainable infrastructure assets advancing the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200211 contacts →

Exact match

“DFJ is a venture capital firm that partners with extraordinary entrepreneurs who are changing the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDhahran, Saudi ArabiaHQ recorded Nov 6, 202651-200204 contacts →

Exact match

“Aramco Ventures is the corporate venturing arm of Aramco, the world’s leading integrated energy company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202651-200203 contacts →

Exact match

“Khosla Ventures invests in companies that are bold, early and impactful.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 2026n/a202 contacts →

Exact match

“Eclipse invests in entrepreneurs building the next generation of companies in the physical economy, the industries that shape resilience, competitiveness, and security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVienna, AustriaHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“CCE - combined competence in photovoltaics CCE plans, builds, finances and manages alternative investments in the high-growth global sector of photovoltaics, thus creating…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200195 contacts →

Exact match

“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNew York, United StatesHQ recorded Nov 6, 2026n/a195 contacts →

Exact match

“ff Venture Capital (ffVC) is focused on investing in early-stage technology and technology-enabled companies, and has been since 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMenlo Park, United StatesHQ recorded Nov 6, 2026n/a187 contacts →

Exact match

“For five decades, Kleiner Perkins has partnered with intrepid founders to build iconic companies that made history.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“The CEFC is Australia’s specialist climate investor, helping cut emissions in the race towards net zero by 2050.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200164 contacts →

Exact match

“Headline is a venture capital firm with teams on the ground in 8 cities around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAustin, CA, United StatesHQ recorded Nov 6, 2026n/a161 contacts →

Exact match

“8VC is a venture capital fund based in Austin, Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Since 2002, Gobi has overseen US$2 billion AUM across more than 30 investment vehicles, and its team of 80+ professionals now manages a portfolio of over 400 companies from 18…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,123 cleantech venture firms worldwide

See the full list, filter by size, metro and specialty, and access 12,863 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cleantech venture firms worldwide at a glance

As of Nov 6, 2026
30.9%Verified-email coverage
10.1Average contacts per company
1-10Median size (employees)
4.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,893
11-50
980
51-200
154
201-500
53
501-1,000
16
1,001-5,000
5
5,001-10,000
2
10001+
3

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for cleantech venture firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “cleantech venture 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. 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 12,863 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 November 6, 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.

Cleantech venture firms by location

39 lists · largest first

Every Cleantech venture firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “cleantech venture firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleantech venture firms are there worldwide?

RevenueBase identified 4,123 company matches for cleantech venture firms worldwide as of November 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?

Masdar ABU Dhabi Future Energy Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most cleantech venture firms?

The United States leads with 1,181 companies, followed by the United Kingdom (269) and India (160). Every cleantech venture firms list by country and city is linked on this page.

Which city has the most cleantech venture firms?

London leads with 191 company records, followed by New York (146) and San Francisco (126).

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 12,863 professional contacts with verified work emails tracked across these 4,123 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 November 6, 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.