Company lists · Data refreshed September 2026
Top 25 Carbon management consulting companies worldwide
RevenueBase identified 10,960 carbon management consulting companies worldwide as of September 2026 and tracks 149,294 professional contacts across them, including 54,048 with verified work emails. The United States is the largest market and London the largest hub.
This list covers carbon management consulting companies 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 27, 2026. Country and city lists for carbon management consulting companies 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.
The 25 largest carbon management consulting companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 34,763 contacts → | ||||
Indirect evidence “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 12,011 contacts → | ||||
Indirect evidence “Les activités Infrastructures Energétiques Locales d’ENGIE accompagnent les collectivités, les industries et le secteur du bâtiment sur la voie de la décarbonation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 9,119 contacts → | ||||
Indirect evidence “Sustainability is our business.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,848 contacts → | ||||
Indirect evidence “SLR is a committed partner in our clients’ sustainability journeys.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,629 contacts → | ||||
Strong evidence “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,145 contacts → | ||||
Partial evidence “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,095 contacts → | ||||
Strong evidence “California Resources Corporation (CRC) is an independent energy and carbon management company committed to energy transition.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 894 contacts → | ||||
Indirect evidence “Anthesis guides clients to sustainable performance.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 811 contacts → | ||||
Partial evidence “South Pole is the world's leading carbon asset developer and climate consultancy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 772 contacts → | ||||
Strong evidence “Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 737 contacts → | ||||
Partial evidence “We are a leading global climate and performance engineering consulting firm dedicated to creating harmony between the built and natural world.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 688 contacts → | ||||
Indirect evidence “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 658 contacts → | ||||
Indirect evidence “We are passionate about driving sustainable change for our planet.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 556 contacts → | ||||
Indirect evidence “As the leading environmental solutions partner for organizations globally, ACT helps its partners meet increasing environmental action and disclosure expectations from regulators…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 529 contacts → | ||||
Indirect evidence “Watershed is the enterprise sustainability platform.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 502 contacts → | ||||
Indirect evidence “STX Group is a leading global firm in environmental commodities trading and climate finance.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 400 contacts → | ||||
Indirect evidence “SIPL Pvt Ltd is an established and reputed firm in the Sustainable domain since 2008.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 390 contacts → | ||||
Indirect evidence “Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 383 contacts → | ||||
Indirect evidence “Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 383 contacts → | ||||
Indirect evidence “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 376 contacts → | ||||
Indirect evidence “ClimatePartner makes climate action valuable for every company at any stage of their journey.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 375 contacts → | ||||
Indirect evidence “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 361 contacts → | ||||
Indirect evidence “At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 336 contacts → | ||||
Indirect evidence “National Utility Service, Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 325 contacts → | ||||
Partial evidence “Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: carbon management consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names carbon management consulting companies.
- Partial evidence
- Its own public description names part of carbon management consulting companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name carbon management consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 10,960 carbon management consulting companies worldwide
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Carbon management consulting companies worldwide at a glance
As of Sep 27, 2026Companies by employee count
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 carbon management consulting companies, 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 carbon management consulting companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “carbon management consulting companies”. 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 carbon management consulting companies), 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 carbon management consulting companies, 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, 54,048 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 27, 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.
Carbon management consulting companies by location
59 lists · largest firstEvery Carbon management consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Carbon management consulting companies based in the United States1,193
- Carbon management consulting companies based in the United Kingdom989
- Carbon management consulting companies based in France724
- Carbon management consulting companies based in Brazil707
- Carbon management consulting companies based in India460
- Carbon management consulting companies based in Germany432
- Carbon management consulting companies based in Canada360
- Carbon management consulting companies based in Australia328
- Carbon management consulting companies based in Spain310
- Carbon management consulting companies based in Italy262
- Carbon management consulting companies based in the Netherlands235
- Carbon management consulting companies based in Türkiye227
- Carbon management consulting companies based in Chile157
- Carbon management consulting companies based in Switzerland150
- Carbon management consulting companies based in Mexico149
- Carbon management consulting companies based in Argentina134
- Carbon management consulting companies based in South Africa127
- Carbon management consulting companies based in Colombia119
- Carbon management consulting companies based in Sweden109
- Carbon management consulting companies based in the United Arab Emirates105
- Carbon management consulting companies based in Belgium102
- Carbon management consulting companies based in Denmark100
- Carbon management consulting companies based in Indonesia88
- Carbon management consulting companies based in Portugal83
- Carbon management consulting companies based in Peru68
- Carbon management consulting companies based in Poland66
- Carbon management consulting companies based in Austria63
- Carbon management consulting companies based in Ireland62
- Carbon management consulting companies based in Malaysia60
- Carbon management consulting companies based in New Zealand50
- Carbon management consulting companies based in Finland49
- Carbon management consulting companies based in Norway45
- Carbon management consulting companies based in Greece39
- Carbon management consulting companies based in Romania37
- Carbon management consulting companies based in Hong Kong35
- Carbon management consulting companies based in Japan32
- Carbon management consulting companies based in Costa Rica25
- Carbon management consulting companies based in Taiwan25
Cities
- Carbon management consulting companies based in London, United Kingdom331
- Carbon management consulting companies based in Sao Paulo, Brazil148
- Carbon management consulting companies based in New York, United States67
- Carbon management consulting companies based in Toronto, Canada65
- Carbon management consulting companies based in Sydney, Australia64
- Carbon management consulting companies based in Calgary, Canada55
- Carbon management consulting companies based in Houston, United States52
- Carbon management consulting companies based in Melbourne, Australia52
- Carbon management consulting companies based in Mumbai, India51
- Carbon management consulting companies based in Rio De Janeiro, Brazil45
- Carbon management consulting companies based in Manchester, United Kingdom39
- Carbon management consulting companies based in Vancouver, Canada39
- Carbon management consulting companies based in Chicago, United States37
- Carbon management consulting companies based in New Delhi, India33
- Carbon management consulting companies based in Perth, Australia33
- Carbon management consulting companies based in Curitiba, Brazil30
- Carbon management consulting companies based in Washington, United States29
- Carbon management consulting companies based in Bristol, United Kingdom27
- Carbon management consulting companies based in Los Angeles, United States27
- Carbon management consulting companies based in San Francisco, United States27
- Carbon management consulting companies based in Denver, United States25
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 carbon management consulting companies, 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 carbon management consulting companies are there worldwide?
RevenueBase identified 10,960 carbon management consulting companies 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?
Worley, headquartered in Sydney, tops this list with the largest team on record.
Which country has the most carbon management consulting companies?
The United States leads with 1,193 companies, followed by the United Kingdom (989) and France (724). Every carbon management consulting companies list by country and city is linked on this page.
Which city has the most carbon management consulting companies?
London leads with 331 headquartered companies, followed by Paris (171) and Sao Paulo (148).
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 54,048 verified decision-maker contacts tracked across these 10,960 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 27, 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.