Company lists · Data refreshed November 2026

Top 25 Carbon offset organizations worldwide

RevenueBase identified 2,633 company matches for carbon offset organizations worldwide as of November 2026 and tracks 25,208 professional contacts across them, including 8,539 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for carbon offset organizations 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 carbon offset organizations 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
2,633Companies
25,208Contacts tracked
8,539Verified emails
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The 25 largest carbon offset organizations worldwide

Ranked by team size
Top 25 of 2,633 company matches for carbon offset organizations 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 matchMumbai, IndiaHQ recorded Nov 6, 2026201-500852 contacts →

Exact match

“CleanMax is India's largest C&I renewable energy provider with total contracted capacity 6.8 GW, helping corporates and businesses go Net-Zero through customisable, tailored…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchZurich, SwitzerlandHQ recorded Nov 6, 2026501-1,000790 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAmsterdam, NY, United StatesHQ recorded Nov 6, 2026501-1,000566 contacts →

Exact match

“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGeneva, SwitzerlandHQ recorded Nov 6, 202651-200411 contacts →

Exact match

“EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500391 contacts →

Exact match

“Our mission is to accelerate the move to a decarbonised future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMunich, GermanyHQ recorded Nov 6, 2026501-1,000346 contacts →

Exact match

“ClimatePartner makes climate action valuable for every company at any stage of their journey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500317 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNyon, SwitzerlandHQ recorded Nov 6, 202651-200281 contacts →

Exact match

“SCB is a low carbon market leader providing bespoke solutions to help customers achieve their climate goals, carbon neutrality and net-zero commitments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, UT, United StatesHQ recorded Nov 6, 2026201-500217 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 2026n/a208 contacts →

Exact match

“Wren Climate, PBC helps you live carbon neutral by accounting for and offsetting your carbon emissions through transparent climate projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIndore, IndiaHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“EKI Energy Services Ltd.(EKI), erstwhile EnKing International in the climate sector globally, is a leading Carbon Credit Developer & Supplier across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200171 contacts →

Exact match

“Investing in carbon projects is essential to tackling climate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“myclimate is your partner for effective climate protection – both locally and globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact match千代田区, JapanHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“Founded in 2019, Green Carbon develops decarbonization projects together with farmers around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMadison, WI, United StatesHQ recorded Nov 6, 202651-200151 contacts →

Exact match

“We're a nonprofit headquartered in Madison, WI with an office in Chicago and remote staff across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200148 contacts →

Exact match

“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“Earthood is a pioneering force in the carbon offset verification industry with a reputation as an internationally acclaimed auditing & certification firm, providing strategic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Climate Impact Partners is the trusted partner for organizations taking ambitious climate action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Isometric is the agentic certification platform for the industrial economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBudapest, HungaryHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Founded in 1998, Vertis was a pioneer in carbon markets, helping companies finance emissions reduction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 2026201-500104 contacts →

Exact match

“Bridge Carbon is a London-based carbon project developer committed to building a world-class carbon finance organization that defines the standards for quality, integrity, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“C-Quest Capital is a social impact project developer & carbon finance business that works in the poorest communities around the world providing access to sustainable energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchn/a51-20099 contacts →

Exact match

“The Science Based Targets initiative (SBTi) is a corporate climate action organization that enables companies and financial institutions worldwide to play their part in combating…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Kosher Climate is where Corporate aspirations are met with Climate Change Goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGrenoble - Paris, FranceHQ recorded Nov 6, 202611-5093 contacts →

Exact match

“Carbonable’s platform enables organizations to drive intelligent, scalable, and trustworthy climate contributions.”

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

Showing 25 of 2,633 carbon offset organizations worldwide

See the full list, filter by size, metro and specialty, and access 8,539 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon offset organizations worldwide at a glance

As of Nov 6, 2026
33.9%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
6.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,781
11-50
707
51-200
110
201-500
19
501-1,000
8
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 carbon offset organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “carbon offset organizations” 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 8,539 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.

Carbon offset organizations by location

15 lists · largest first

Every Carbon offset organizations 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 “carbon offset organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon offset organizations are there worldwide?

RevenueBase identified 2,633 company matches for carbon offset organizations 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?

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

Which country has the most carbon offset organizations?

The United Kingdom leads with 331 companies, followed by the United States (307) and India (148). Every carbon offset organizations list by country and city is linked on this page.

Which city has the most carbon offset organizations?

London leads with 161 company records, followed by Paris (50) and Sao Paulo (48).

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 8,539 professional contacts with verified work emails tracked across these 2,633 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.