Company lists · Data refreshed September 2026

Top 25 Esg strategy consulting firms based in the United States

Name: Esg strategy consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 8,079 companies tracked

RevenueBase identified 8,079 company matches for esg strategy consulting firms associated with the United States as of September 2026 and tracks 120,611 professional contacts across them, including 52,637 with verified work emails and 41,790 with mobile numbers. New York is the largest hub.

This list covers company matches for esg strategy consulting firms 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 30, 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 30, 2026 How this list was built

8,079Companies

120,611Contacts tracked

52,637Verified emails

41,790Mobile numbers

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The 25 largest esg strategy consulting firms based in the United States

Ranked by team size

Top 25 of 8,079 company matches for esg strategy consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	10001+	9,318 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	5,001-10,000	6,978 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Accenture Strategy & Consulting	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	5,001-10,000	5,514 contacts →
	Exact match “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Strategy	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	1,001-5,000	5,082 contacts →
	Exact match “From strategy to execution.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 30, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,639 contacts →
	Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Frost & Sullivan	Exact match	San Antonio, TX, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,330 contacts →
	Exact match “For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,629 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,529 contacts →
	Exact match “Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Sphera	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,349 contacts →
	Exact match “Sphera creates a safer, more sustainable and productive world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,304 contacts →
	Exact match “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 30, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 30, 2026	n/a	1,145 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,139 contacts →
	Exact match “At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 30, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	CFGI	Exact match	Boston, MA, United StatesHQ recorded Sep 30, 2026	501-1,000	1,063 contacts →
	Exact match “As a leading global accounting and business advisory firm, CFGI provides solutions to solve clients’ most complex problems, without the restrictions created by auditor…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Sep 30, 2026	n/a	982 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 30, 2026	1,001-5,000	961 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	956 contacts →
	Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	501-1,000	883 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Sep 30, 2026	501-1,000	732 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	The Cadmus Group	Exact match	Arlington, OR, United StatesHQ recorded Sep 30, 2026	1,001-5,000	700 contacts →
	Exact match “Cadmus is a technology-empowered global strategic consulting firm that helps clients achieve their goals through transformative digital solutions and expertise across domains.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Clearview Healthcare Partners	Exact match	Newton, MA, United StatesHQ recorded Sep 30, 2026	201-500	681 contacts →
	Exact match “Founded in Boston in 2007, ClearView Healthcare Partners is a diverse, inclusive, and innovative global strategy consulting firm serving the life science sector.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 30, 2026	501-1,000	675 contacts →
	Exact match “Uniqus Consultech is an AI and global tech-enabled consulting company that specializes in Accounting & Reporting Consulting, Governance, Risk & Compliance, Sustainability &…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “esg strategy consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,079 esg strategy consulting firms based in the United States

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Esg strategy consulting firms based in the United States at a glance

As of Sep 30, 2026

43.6%Verified-email coverage

34.6%Mobile-number coverage

14.9Average contacts per company

1-10Median size (employees)

7.5%Largest-city concentration · New York

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

6,114

11-50

1,504

51-200

325

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 32.0d

15,3690–30

35,12431–60

1,74561–90

2790–180

372180+

Company record updated

Median 77.0d

00–30

25,40531–60

40,84561–90

47,18390–180

7,178180+

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 “esg strategy consulting firms” 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 52,637 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 30, 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.

Esg strategy consulting firms by metro

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 “esg strategy consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many esg strategy consulting firms are there based in the United States?

RevenueBase identified 8,079 company matches for esg strategy consulting firms 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?

WSP In The U.S tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most esg strategy consulting firms?

New York leads with 602 company records, followed by Chicago (230) and Washington (229).

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 52,637 professional contacts with verified work emails tracked across these 8,079 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 30, 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.