Company lists · Data refreshed November 2026

Top 25 Carbon certification companies worldwide

RevenueBase identified 1,707 company matches for carbon certification companies worldwide as of November 2026 and tracks 18,323 professional contacts across them, including 5,969 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for carbon certification companies 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 certification companies 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
1,707Companies
18,323Contacts tracked
5,969Verified emails
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The 25 largest carbon certification companies worldwide

Ranked by team size
Top 25 of 1,707 company matches for carbon certification companies 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 matchFrankfurt, GermanyHQ recorded Nov 6, 20261,001-5,0001,466 contacts →

Exact match

“DQS – Leveraging Quality, Driving Success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500316 contacts →

Exact match

“EQA es una entidad internacional de certificación, verificación e inspección, con más de 25 años de trayectoria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSkokie, IL, United StatesHQ recorded Nov 6, 2026201-500305 contacts →

Exact match

“Our way of life is built on carbon, from our fuel sources to the materials in our consumer products, but we need a more sustainable way to source it to protect the future of our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchBonn, GermanyHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“FLOCERT is one of the world's leading social auditing and certification bodies, providing certification to Fairtrade and also offering verification and customised sustainability…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a159 contacts →

Exact match

“The premier organization independently recognizing excellence in green business industry performance and practice globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWest Malling, United KingdomHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Amtivo Group provides expert certification services for ISO standards, as well as training and related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact 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
15Exact matchGeneva, SwitzerlandHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“Gold Standard works to create a climate secure world where sustainable growth brings life-changing benefits to communities everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWakefield, United KingdomHQ recorded Nov 6, 2026201-500135 contacts →

Exact match

“Elmhurst Energy and Stroma Certification have merged.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Normative provides science-based carbon accounting software and tailored advice from net-zero experts, enabling companies to reduce their carbon footprints.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFaridabad, IndiaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“KBS Certification is a pioneer and global leader in Climate Change and Sustainability Services, supporting organizations worldwide in achieving compliance, credibility, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-50115 contacts →

Exact match

“For over 30 years, we have and continue to assist stakeholders in the implementation and promotion of sustainable practices through certification, consulting and training services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchAthens, GreeceHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

“EUROCERT European Inspection and Certification Company, acts as a third party inspection, audit and certification body.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Normec Verifavia is a global leader in environmental validation, verification, and auditing within the transport and industrial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“ERM CVS provides science-based, independent assurance, verification certification and training services for the world’s leading organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchAuckland, New ZealandHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“New Zealand’s science-led standard-bearer for credible climate and environmental certification and solutions, trusted by leading businesses to deliver measurable impact, reduce…”

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

Showing 25 of 1,707 carbon certification companies worldwide

See the full list, filter by size, metro and specialty, and access 5,969 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon certification companies worldwide at a glance

As of Nov 6, 2026
32.6%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
4.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,000
11-50
550
51-200
112
201-500
27
501-1,000
8
1,001-5,000
2
5,001-10,000
2
10001+
1

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 certification companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “carbon certification companies” 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 5,969 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 certification companies by location

14 lists · largest first

Every Carbon certification companies 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 certification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon certification companies are there worldwide?

RevenueBase identified 1,707 company matches for carbon certification companies 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?

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

Which country has the most carbon certification companies?

The United Kingdom leads with 170 companies, followed by the United States (167) and India (99). Every carbon certification companies list by country and city is linked on this page.

Which city has the most carbon certification companies?

London leads with 80 company records, followed by Sao Paulo (32) and Singapore (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 5,969 professional contacts with verified work emails tracked across these 1,707 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.