Company lists · Data refreshed September 2026

Top 25 Climate tech investment firms worldwide

RevenueBase identified 4,511 company matches for climate tech investment firms worldwide as of September 2026 and tracks 47,902 professional contacts across them, including 18,226 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for climate tech investment 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 September 27, 2026. Country and city lists for climate tech investment 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 Sep 27, 2026 How this list was built
4,511Companies
47,902Contacts tracked
18,226Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest climate tech investment firms worldwide

Ranked by team size
Top 25 of 4,511 company matches for climate tech investment firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 2026501-1,0001,026 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 · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026501-1,000820 contacts →

Exact match

“General Atlantic is a leading global investor with more than four and a half decades of experience providing capital and strategic support to over 830 companies throughout its…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchSingaporeHQ recorded Sep 27, 202610001+820 contacts →

Exact match

“Keppel is a global asset manager and operator with strong expertise in sustainability-related solutions spanning the areas of infrastructure, real estate and connectivity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchZurich, SwitzerlandHQ recorded Sep 27, 2026501-1,000811 contacts →

Exact match

“South Pole is the world's leading carbon asset developer and climate consultancy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchUnited StatesHQ recorded Sep 27, 2026201-500573 contacts →

Exact match

“Global Infrastructure Partners (GIP) is a leading infrastructure investor that specializes in investing in, owning and operating some of the largest and most complex assets across…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500537 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchAhmedabad, IndiaHQ recorded Sep 27, 2026201-500530 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 · Sep 27, 2026 · View company records in RevenueBase
8Exact matchAmsterdam, NetherlandsHQ recorded Sep 27, 2026501-1,000502 contacts →

Exact match

“STX Group is a leading global firm in environmental commodities trading and climate finance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchHamburg, GermanyHQ recorded Sep 27, 2026201-500412 contacts →

Exact match

“Aquila Capital is an asset manager specialising in essential investments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026201-500324 contacts →

Exact match

“3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchStockholm, SwedenHQ recorded Sep 27, 2026201-500296 contacts →

Exact match

“Swedbank Robur är Sveriges största och en av Nordens ledande kapitalförvaltare.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Sep 27, 202610001+289 contacts →

Exact match

“Carrier is a global leader in intelligent climate and energy solutions, pioneering sustainable innovations in climate technologies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchLondon, TX, United KingdomHQ recorded Sep 27, 2026501-1,000285 contacts →

Exact match

“We are building a full stack energy company to lower cost of energy & accelerate energy abundance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchNairobi, KenyaHQ recorded Sep 27, 2026201-500280 contacts →

Exact match

“CrossBoundary Group is a mission driven investment firm that unlocks the power of capital for sustainable growth and strong returns in underserved markets.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchVancouver, BC, CanadaHQ recorded Sep 27, 2026201-500268 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchBergen, NorwayHQ recorded Sep 27, 20261,001-5,000264 contacts →

Exact match

“Eviny er et av Norges største energi- og teknologikonsern.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 27, 2026201-500251 contacts →

Exact match

“Founded in 2004, RA Capital Management is an active, multi-stage investment manager dedicated to evidence-based, science-led investing in public and private healthcare, life…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500227 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 · Sep 27, 2026 · View company records in RevenueBase
19Exact matchItalyHQ recorded Sep 27, 2026501-1,000203 contacts →

Exact match

“NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchZug, SwitzerlandHQ recorded Sep 27, 202651-200201 contacts →

Exact match

“Capital Dynamics is an independent global asset management firm focusing on private assets, including private equity (primaries, secondaries and direct investments) and clean…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026201-500200 contacts →

Exact match

“Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchAnnapolis, MD, United StatesHQ recorded Sep 27, 202651-200196 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMenlo Park, CA, United StatesHQ recorded Sep 27, 202651-200193 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAmsterdam, NetherlandsHQ recorded Sep 27, 2026n/a175 contacts →

Exact match

“Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-200173 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 · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 4,511 climate tech investment firms worldwide

See the full list, filter by size, metro and specialty, and access 18,226 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Climate tech investment firms worldwide at a glance

As of Sep 27, 2026
38.0%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
7.0%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,959
11-50
1,207
51-200
222
201-500
70
501-1,000
24
1,001-5,000
9
5,001-10,000
1
10001+
9

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 climate tech investment firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “climate tech investment 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 18,226 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 27, 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.

Climate tech investment firms by location

28 lists · largest first

Every Climate tech investment 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 “climate tech investment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate tech investment firms are there worldwide?

RevenueBase identified 4,511 company matches for climate tech investment firms worldwide 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?

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 climate tech investment firms?

The United States leads with 1,027 companies, followed by the United Kingdom (408) and Germany (193). Every climate tech investment firms list by country and city is linked on this page.

Which city has the most climate tech investment firms?

London leads with 317 company records, followed by New York (146) and Singapore (92).

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 18,226 professional contacts with verified work emails tracked across these 4,511 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,511 climate tech investment firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.