Company lists · Data refreshed September 2026

Top 25 Venture capital cleantech firms based in San Francisco, United States

RevenueBase identified 41 company matches for venture capital cleantech firms associated with San Francisco, United States as of September 2026 and tracks 334 professional contacts across them, including 154 with verified work emails. Across the United States, New York is the largest hub for this category (56 companies); San Francisco follows with 41.

This list covers company matches for venture capital cleantech firms associated with San Francisco, United States, 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 29, 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 29, 2026 How this list was built
41Companies
334Contacts tracked
154Verified emails
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The 25 largest venture capital cleantech firms based in San Francisco, United States

Ranked by team size
Top 25 of 41 company matches for venture capital cleantech firms based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1025 contacts →

Exact match

“The defining renewable energy focused investment management firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“At One Ventures is a venture capital firm focused on investing in a world where humanity becomes a net positive to nature.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Activate Capital is a growth-stage venture capital firm investing in the sustainable, resilient transformation of the global economy.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“Congruent Ventures is a venture capital firm that seeks to invest in Mobility and Urbanization, Energy Transition, Food and Agriculture, and Sustainable Production and Consumption…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“Prelude Ventures invests in and supports early-stage startups with the greatest potential to mitigate climate change.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5014 contacts →

Exact match

“Segue Sustainable Infrastructure is a principal investment firm providing development capital to renewable energy projects and the infrastructure enabling them.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1012 contacts →

Exact match

“Based in San Francisco, Piva Capital is a venture capital firm investing in disruptive energy and industrial companies across North America and Europe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1012 contacts →

Exact match

“We invest in visionary founders building a sustainable future.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1012 contacts →

Exact match

“Earthshot Ventures invests in entrepreneurs solving the toughest climate challenges.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-1010 contacts →

Exact match

“We invest in near frontier tech that will change the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-509 contacts →

Exact match

“The Ecosystem Integrity Fund (“EIF”) is an early growth stage investor in companies contributing to environmental sustainability.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-507 contacts →

Exact match

“Rembrandt is not your typical early stage venture capital firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Bison Ventures is a venture capital firm that invests in early-stage frontier technology companies focused on creating healthier people and a healthier planet.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Echo River Capital invests in early-stage water technology companies that Digitize, Decarbonize and Decentralize the water economy, the “Three Ds" of water tech, in order to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Homecoming Capital seeks to generate attractive returns by investing in zero-emission infrastructure.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, United StatesHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Pachamama Ventures is a San Francisco based venture capital firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-104 contacts →

Exact match

“CLIMACTIC invests in visionary founders solving our planet’s greatest challenges: battling climate change, achieving sustainability, and creating a more circular economy.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-104 contacts →

Exact match

“Lacuna Sustainable Investments is a Marin County, California based investment firm that provides people, projects, and portfolios with capital to further the demand for renewable…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-104 contacts →

Exact match

“Huck is a tech-enabled investment fund on a mission to inspire, finance and build the next generation of energy providers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-104 contacts →

Exact match

“VilCap Investments invests in early-stage enterprises delivering solutions to global social or environmental challenges in education, healthcare, financial services, sustainable…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-103 contacts →

Exact match

“AXIAL Partners is a San Francisco-based venture capital company specialized in- Sourcing and evaluating investment opportunities, with a primary focus on Climate Tech and Energy…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-103 contacts →

Exact match

“Investment firm focused on breakthrough technology in life sciences and/or sustainable technology.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-103 contacts →

Exact match

“Spyglass Technology Management is an investment firm focused on public and private companies in technology, alternative energy, and healthcare.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-102 contacts →

Exact match

“At Anglet, we invest in high-impact, fast-growing climate companies across the globe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261-102 contacts →

Exact match

“Granite Hill Capital Partners is focused on deep-tech venture capital investments in Silicon Valley technology startups and selected India-related opportunities in Financial…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 41 venture capital cleantech firms based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 154 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Venture capital cleantech firms based in San Francisco, United States at a glance

As of Sep 29, 2026
46.1%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
8

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 41 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 San Francisco, United States whose business descriptions match “venture capital cleantech 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 154 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 29, 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.

Venture capital cleantech firms by metro in the United States

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

How many venture capital cleantech firms are there based in San Francisco, United States?

RevenueBase identified 41 company matches for venture capital cleantech firms associated with San Francisco, United States 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?

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

Which city in the United States has the most venture capital cleantech firms?

New York leads the United States with 56 company records, followed by San Francisco (41) and Houston (27).

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 154 professional contacts with verified work emails tracked across these 41 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 29, 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.