Company lists · Data refreshed September 2026

Top 25 Cap-and-trade compliance firms worldwide

RevenueBase identified 650 cap-and-trade compliance firms worldwide as of September 2026 and tracks 4,721 professional contacts across them, including 1,705 with verified work emails. The United States is the largest market and London the largest hub.

This list covers cap-and-trade compliance firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for cap-and-trade compliance firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
650Companies
4,721Contacts tracked
1,705Verified emails
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The 25 largest cap-and-trade compliance firms worldwide

Ranked by team size
Top 25 of 650 cap-and-trade compliance firms worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to cap-and-trade compliance firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 19, 2026501-1,000502 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidencePortland, OR, United StatesHQ checked Sep 19, 2026201-500288 contacts →

Indirect evidence

“At Cascade Energy, we believe in better.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceNoida, IndiaHQ checked Sep 19, 202651-200143 contacts →

Indirect evidence

“GreenTree Global is one of the leading Sustainability Consulting organisations providing Energy Efficiency & Climate Change Services like Integrated Sustainability Services…”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceProvidencia, ChileHQ checked Sep 19, 202651-200130 contacts →

Partial evidence

“ECOS (Environmental Compliance Services) es una empresa de asesoría y consultoría dedicada a proveer servicios especializados orientados a la gestión del cumplimiento ambiental y…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceGateshead, United KingdomHQ checked Sep 19, 202651-20081 contacts →

Indirect evidence

“We enable businesses to succeed in the environmental components of their ESG strategies through comprehensive net zero consulting services and ground-breaking carbon and energy…”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceIndore, IndiaHQ checked Sep 19, 202651-20066 contacts →

Indirect evidence

“Infinite Solutions is a Global Leading Carbon Credit Consultancy and Carbon Credit Trading company that has been formed with a vision to provide quality services leading to…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceSingaporeHQ checked Sep 19, 202651-20059 contacts →

Indirect evidence

“Climate Impact X (CIX) is a leading exchange in the environmental markets that manages the trading, supply and demand of carbon credits and renewable energy certificates.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceHyderabad, IndiaHQ checked Sep 19, 202651-20055 contacts →

Indirect evidence

“CoreCarbonX is a carbon trading, environmental consulting, and sustainability advisory firm.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceThornton, CO, United StatesHQ checked Sep 19, 202611-5049 contacts →

Indirect evidence

“CDH Consulting specializes in helping energy companies understand and manage the numerous environmental and regulatory obligations affecting their operations.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 202611-5047 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceOxford, United KingdomHQ checked Sep 19, 202611-5045 contacts →

Indirect evidence

“Aether provides consultancy in air quality and climate change emissions inventories, forecasting and policy analysis.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceMünchen, GermanyHQ checked Sep 19, 202651-20044 contacts →

Indirect evidence

“Nachhaltige Transformation für eine zukunftsfähige Wirtschaft Als spezialisierte Unternehmensberatung für Emissionshandel, CBAM, Treibhausgasbilanzierung, Energieeffizienz sowie…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceCologne, GermanyHQ checked Sep 19, 202611-5043 contacts →

Indirect evidence

“Meo Carbon Solutions (MCS) is an independent consulting company experienced in sustainable and future-oriented solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5040 contacts →

Indirect evidence

“ClimateSeed combines strategic consulting and digital platforms to help organizations design and deploy ambitious climate strategies.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202611-5039 contacts →

Indirect evidence

“Carbon Pulse is an online service dedicated to providing in-depth news and intelligence about carbon pricing initiatives and climate change policies around the world, with a…”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceMilan, ItalyHQ checked Sep 19, 202651-20039 contacts →

Indirect evidence

“Aither has over a decade of expertise in environmental markets, excelling in global trading of environmental commodities.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceHong, Hong KongHQ checked Sep 19, 202611-5039 contacts →

Indirect evidence

“CECEP Environmental Consulting Group was established by China Energy Conservation and Environmental Protection Group (the only state-owned company that is directly sponsored by…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceNew York, United StatesHQ checked Sep 19, 202611-5035 contacts →

Indirect evidence

“Pioneers** in the fundamentals of greenhouse gas management, Agendi brings a team of multidisciplinary experts to develop and implement your climate and sustainability programs.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceCape Town, South AfricaHQ checked Sep 19, 202611-5035 contacts →

Indirect evidence

“Climate Change Solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceSlaithwaite, United KingdomHQ checked Sep 19, 2026n/a34 contacts →

Indirect evidence

“Swan Energy is a market leading provider of carbon reporting services.”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceGoshen, IN, United StatesHQ checked Sep 19, 202611-5027 contacts →

Partial evidence

“BCA Environmental Consultants helps industrial and commercial facilities stay compliant with federal, state, and local environmental regulations.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceSeoul, South KoreaHQ checked Sep 19, 202611-5026 contacts →

Indirect evidence

“CnerG (pronounced as 'synergy') stands for Clean Energy, and our mission is to become the market that makes sustainability and net zero simple for organizations navigating the…”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceCamarillo, CA, United StatesHQ checked Sep 19, 202611-5024 contacts →

Partial evidence

“Ashworth Leininger Group was formed to offer expert air quality and environmental consulting services to a broad spectrum of clients – industry, trade associations and agencies.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceMumbai, IndiaHQ checked Sep 19, 202611-5024 contacts →

Indirect evidence

“Energy Advisory Services Pvt.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceCuauhtémoc, MexicoHQ checked Sep 19, 202651-20024 contacts →

Indirect evidence

“Somos su aliado comercial en el cual podrá encontrar soluciones alternativas que le faciliten el cumplimiento ambiental de sus proyectos más importantes.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 650 cap-and-trade compliance firms worldwide

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Cap-and-trade compliance firms worldwide at a glance

As of Sep 19, 2026
36.1%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
451
11-50
166
51-200
24
201-500
4
501-1,000
2
1,001-5,000
1

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cap-and-trade compliance firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for cap-and-trade compliance firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “cap-and-trade compliance firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cap-and-trade compliance firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cap-and-trade compliance firms, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,705 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cap-and-trade compliance firms by location

5 lists · largest first

Every Cap-and-trade compliance firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cap-and-trade compliance firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cap-and-trade compliance firms are there worldwide?

RevenueBase identified 650 cap-and-trade compliance firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

STX Group, headquartered in Amsterdam, tops this list with the largest team on record.

Which country has the most cap-and-trade compliance firms?

The United States leads with 111 companies, followed by the United Kingdom (49) and India (44). Every cap-and-trade compliance firms list by country and city is linked on this page.

Which city has the most cap-and-trade compliance firms?

London leads with 17 headquartered companies, followed by Calgary (9) and Singapore (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,705 verified decision-maker contacts tracked across these 650 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.