Company lists · Data refreshed November 2026

Top 25 Carbon reporting and verification services worldwide

RevenueBase identified 1,703 company matches for carbon reporting and verification services worldwide as of November 2026 and tracks 14,622 professional contacts across them, including 5,346 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for carbon reporting and verification services 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 reporting and verification services 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
1,703Companies
14,622Contacts tracked
5,346Verified emails
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The 25 largest carbon reporting and verification services worldwide

Ranked by team size
Top 25 of 1,703 company matches for carbon reporting and verification services 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 matchAbingdon, United KingdomHQ recorded Nov 6, 2026501-1,000898 contacts →

Exact match

“For more than 30 years, Achilles has protected organisations’ business interests and reputations by providing unrivalled levels of supply chain transparency, carbon reduction and…”

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 matchSanta Clara, CA, United StatesHQ recorded Nov 6, 2026201-500335 contacts →

Exact match

“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchMclean, VA, United StatesHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“RE Tech Advisors, a Legence Company, offers an integrated suite of solutions designed to drive building performance, decrease costs, and overcome any project challenge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Plan A, a Diginex Company, is Europe’s leading provider of corporate carbon accounting and decarbonisation software, enabling companies to turn emissions intelligence into…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchDes Moines, IA, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“EcoEngineers, an LRQA company, is a consulting, auditing, and advisory firm with an exclusive focus on the energy transition and decarbonization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchLivange, LuxembourgHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“SustainCERT is a climate impact verifier, bringing credibility to climate action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGreifenberg, GermanyHQ recorded Nov 6, 202611-5086 contacts →

Exact match

“Seit unterstützt die DFGE Unternehmen dabei, Nachhaltigkeit messbar und strategisch nutzbar zu machen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBad Vilbel, GermanyHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“With 25 years of experience, First Climate is a leading global provider of carbon management and green energy services for hundreds of corporate and public sector clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnited KingdomHQ recorded Nov 6, 2026n/a82 contacts →

Exact match

“Clear is a carbon offset company which aims to provide the best carbon offsets available worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Tanso is the ESG and carbon accounting software that industrial companies in DACH rely on to stay competitive and compliant.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchÑuñoa, ChileHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“SERPRAM es una empresa líder de servicios medioambientales, especializada en el monitoreo de calidad de aire, medición de fuentes fijas y certificación de sistemas CEMS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Sebastián De Los Reyes, SpainHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Hi, we’re Sygris, Spain’s leader in sustainability consulting and ESG software.”

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

Showing 25 of 1,703 carbon reporting and verification services worldwide

See the full list, filter by size, metro and specialty, and access 5,346 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon reporting and verification services worldwide at a glance

As of Nov 6, 2026
36.6%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,131
11-50
474
51-200
74
201-500
12
501-1,000
6
1,001-5,000
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 reporting and verification services are linked below.
What qualifies
Company records worldwide whose business descriptions match “carbon reporting and verification services” 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 5,346 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 reporting and verification services by location

13 lists · largest first

Every Carbon reporting and verification services 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 reporting and verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon reporting and verification services are there worldwide?

RevenueBase identified 1,703 company matches for carbon reporting and verification services 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?

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

Which country has the most carbon reporting and verification services?

The United Kingdom leads with 208 companies, followed by the United States (140) and India (110). Every carbon reporting and verification services list by country and city is linked on this page.

Which city has the most carbon reporting and verification services?

London leads with 96 company records, followed by Paris (26) and Singapore (26).

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 5,346 professional contacts with verified work emails tracked across these 1,703 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.