Company lists · Data refreshed October 2026

Top 25 Carbon accounting services based in the United States

RevenueBase identified 206 company matches for carbon accounting services associated with the United States as of October 2026 and tracks 3,631 professional contacts across them, including 1,710 with verified work emails. New York is the largest hub.

This list covers company matches for carbon accounting services 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 October 22, 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 Oct 22, 2026 How this list was built
206Companies
3,631Contacts tracked
1,710Verified emails
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The 25 largest carbon accounting services based in the United States

Ranked by team size
Top 25 of 206 company matches for carbon accounting services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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 matchSan Francisco, CA, United StatesHQ recorded Oct 22, 2026201-500564 contacts →

Exact match

“Watershed is the enterprise sustainability platform.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchPortland, OR, United StatesHQ recorded Oct 22, 2026201-500301 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 22, 2026201-500295 contacts →

Exact match

“Greenly is on a mission to democratize access to science-backed climate intelligence, transforming sustainability from a compliance burden into a strategic competitive advantage.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026201-500210 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 · Oct 22, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Oct 22, 202651-200160 contacts →

Exact match

“Carbon Direct is a trusted energy and climate solutions company that combines world-class scientific expertise, technical rigor, and market insights to help clients achieve their…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Oct 22, 202651-200153 contacts →

Exact match

“Stok leads organizations to decarbonize now.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchMesa, AZ, United StatesHQ recorded Oct 22, 2026201-500126 contacts →

Exact match

“Persefoni AI Inc.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchMclean, VA, United StatesHQ recorded Oct 22, 202651-200113 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 · Oct 22, 2026 · View company records in RevenueBase
9Exact matchDes Moines, IA, United StatesHQ recorded Oct 22, 202651-20098 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 · Oct 22, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-20092 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Oct 22, 202611-5077 contacts →

Exact match

“Group14 Engineering is a Denver-based consulting firm committed to inspiring better buildings where people thrive.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchRaleigh, NC, United StatesHQ recorded Oct 22, 202651-20067 contacts →

Exact match

“Greenplaces helps businesses turn risk into a competitive advantage.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchAustin, TX, United StatesHQ recorded Oct 22, 202611-5061 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchPortland, OR, United StatesHQ recorded Oct 22, 202651-20059 contacts →

Exact match

“Recognized for advanced subject matter expertise, wide-ranging technical resources, creative problem-solving, and excellence in professional practice, Brightworks Sustainability…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Oct 22, 202651-20054 contacts →

Exact match

“SINAI Technologies Inc.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchNewport Beach, CA, United StatesHQ recorded Oct 22, 202651-20053 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 · Oct 22, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5044 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchWestford, MA, United StatesHQ recorded Oct 22, 202611-5040 contacts →

Exact match

“Onlygood is a cloud-based technology platform for companies to monitor and reduce their carbon footprint.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchFontana, CA, United StatesHQ recorded Oct 22, 2026201-50037 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Oct 22, 202611-5030 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 · Oct 22, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Oct 22, 202611-5030 contacts →

Exact match

“Tango Energy & Sustainability (fka WatchWire) is a sustainability and energy management software-as-a-service (EMSaaS) provider.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchReno, NV, United StatesHQ recorded Oct 22, 202611-5025 contacts →

Exact match

“NZero helps organizations turn energy and emissions data into performance gains.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Oct 22, 202611-5024 contacts →

Exact match

“Sustainability Roundtable Inc.(SR Inc) works to be the world's most respected strategic advisor in enterprise decarbonization.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchMonterey, CA, United StatesHQ recorded Oct 22, 202611-5019 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 · Oct 22, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Oct 22, 202611-5019 contacts →

Exact match

“Cleartrace is an energy data and carbon accounting platform providing companies with the digital infrastructure to enable decision-making to mitigate environmental risk, prove…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 206 carbon accounting services based in the United States

See the full list, filter by size, metro and specialty, and access 1,710 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon accounting services based in the United States at a glance

As of Oct 22, 2026
47.1%Verified-email coverage
17.6Average contacts per company
1-10Median size (employees)
10.7%Largest-city concentration · New York
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
140
11-50
43
51-200
16
201-500
6
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 206 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 accounting 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. 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 1,710 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 October 22, 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 accounting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon accounting services are there based in the United States?

RevenueBase identified 206 company matches for carbon accounting services associated with the United States as of October 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?

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

Which city has the most carbon accounting services?

New York leads with 22 company records, followed by Houston (10) and San Francisco (9).

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 1,710 professional contacts with verified work emails tracked across these 206 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 October 22, 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.