Company lists · Data refreshed September 2026

Top 25 Carbon offset consultancies based in the United States

RevenueBase identified 216 company matches for carbon offset consultancies associated with the United States as of September 2026 and tracks 3,336 professional contacts across them, including 1,813 with verified work emails. New York is the largest hub.

This list covers company matches for carbon offset consultancies associated with the United States, 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 September 27, 2026.

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 Sep 27, 2026 How this list was built
216Companies
3,336Contacts tracked
1,813Verified emails
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The 25 largest carbon offset consultancies based in the United States

Ranked by team size
Top 25 of 216 company matches for carbon offset consultancies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchOakland, CA, United StatesHQ recorded Sep 27, 2026201-500772 contacts →

Exact match

“Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026201-500324 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchPortland, OR, United StatesHQ recorded Sep 27, 2026201-500288 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026201-500200 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 · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200141 contacts →

Exact match

“Stok leads organizations to decarbonize now.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchDes Moines, IA, United StatesHQ recorded Sep 27, 202651-200109 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-20096 contacts →

Exact match

“ClimeCo is an award-winning leader in decarbonization, empowering global organizations with customized sustainability pathways.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Sep 27, 202611-5058 contacts →

Exact match

“We believe that what’s good for our planet is good for business.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-20056 contacts →

Exact match

“SINAI Technologies Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-20055 contacts →

Exact match

“Pachama has now been acquired by Carbon Direct.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchNewport Beach, CA, United StatesHQ recorded Sep 27, 202651-20047 contacts →

Exact match

“Altura is a new breed of engineering consulting firm, delivering everything it takes to guide owners to realizing climate and carbon goals by improving energy, environmental, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchMarina Del Rey, CA, United StatesHQ recorded Sep 27, 202611-5041 contacts →

Exact match

“Rubicon Carbon is a next-generation carbon solutions provider.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchFontana, CA, United StatesHQ recorded Sep 27, 202651-20036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Sep 27, 202611-5029 contacts →

Exact match

“Established in 2012, Verdical Group has developed a nationally known brand and industry leading reputation as a sustainability consulting firm focused on decarbonizing the built…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202611-5025 contacts →

Exact match

“At Cloverly, we’re powering the next era of climate impact by giving carbon credit suppliers the technology, distribution, and operational infrastructure they need to thrive in…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Sep 27, 202611-5024 contacts →

Exact match

“As a pioneer and nationally-recognized leader in the carbon market, The Climate Trust develops, manages and invests in US-based carbon offset projects that reduce greenhouse gas…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchBerkeley, CA, United StatesHQ recorded Sep 27, 20261-1024 contacts →

Exact match

“Cooler is a for-profit social venture that enables businesses and people to eliminate the global warming impact of their everyday purchases and activities.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“At EP Carbon, we lead the charge in developing and managing high-quality carbon projects that meet the highest standards of environmental integrity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchBrooklyn, United StatesHQ recorded Sep 27, 20261-1023 contacts →

Exact match

“Earth Angel's mission is to stop making entertainment at the expense of the environment, and instead harness the cultural influence of the entertainment industry to effect…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMonterey, CA, United StatesHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“The Blue Strike Environmental (BSE) mission is to meet the needs of businesses, communities, and the environment by creating innovative solutions designed to balance environmental…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchBurlington, VT, United StatesHQ recorded Sep 27, 202611-5020 contacts →

Exact match

“Cx Associates is a mission-driven engineering consulting firm founded in 1994, with offices in Burlington, VT and Portland, ME.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchNorth Lawrence, OH, United StatesHQ recorded Sep 27, 20261-1018 contacts →

Exact match

“Aster Global is a progressive leader in the development and provision of services within the international greenhouse gas (GHG) ecosystem services, carbon sequestration, and GHG…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchWilmington, NC, United StatesHQ recorded Sep 27, 202611-5016 contacts →

Exact match

“To design and implement carbon offset projects and other conservation initiatives that meaningfully address today’s environmental challenges.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202611-5016 contacts →

Exact match

“Buying carbon credits doesn't have to be so hard.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 216 carbon offset consultancies based in the United States

See the full list, filter by size, metro and specialty, and access 1,813 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon offset consultancies based in the United States at a glance

As of Sep 27, 2026
54.3%Verified-email coverage
15.4Average contacts per company
1-10Median size (employees)
8.8%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
157
11-50
41
51-200
13
201-500
4
501-1,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 216 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “carbon offset consultancies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,813 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 September 27, 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.

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 consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon offset consultancies are there based in the United States?

RevenueBase identified 216 company matches for carbon offset consultancies associated with the United States as of September 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?

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

Which city has the most carbon offset consultancies?

New York leads with 19 company records, followed by Houston (13) and San Francisco (10).

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 1,813 professional contacts with verified work emails tracked across these 216 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 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 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.