Company lists · Data refreshed September 2026

Top 25 Esg consulting companies worldwide

Name: Esg consulting companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 17,645 companies tracked

RevenueBase identified 17,645 company matches for esg consulting companies worldwide as of September 2026 and tracks 180,172 professional contacts across them, including 61,256 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for esg consulting companies worldwide, 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 20, 2026. Country and city lists for esg consulting companies follow the table.

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 20, 2026 How this list was built

17,645Companies

180,172Contacts tracked

61,256Verified emails

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The 25 largest esg consulting companies worldwide

Ranked by team size

Top 25 of 17,645 company matches for esg consulting companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	ERM	Exact match	London, United KingdomHQ recorded Sep 20, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Management Solutions	Exact match	Madrid, SpainHQ recorded Sep 20, 2026	1,001-5,000	4,468 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	3,848 contacts →
	Exact match “SLR is a committed partner in our clients’ sustainability journeys.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 2026	10001+	2,599 contacts →
	Exact match “Our mission is to promote ecological transformation by investing in decarbonization projects, circular economy, energy transition, and environmental regeneration.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Ecovadis	Exact match	Paris, JapanHQ recorded Sep 20, 2026	1,001-5,000	1,854 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	BDO Brazil	Exact match	Sp, BrazilHQ recorded Sep 20, 2026	1,001-5,000	1,791 contacts →
	Exact match “Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10	Airbus Protect	Exact match	Blagnac, FranceHQ recorded Sep 20, 2026	1,001-5,000	1,431 contacts →
	Exact match “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Sphera	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
12	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	RSK Group	Exact match	Helsby, United KingdomHQ recorded Sep 20, 2026	10001+	1,255 contacts →
	Exact match “RSK Group is a global leader in the delivery of environmental and engineering solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Sep 20, 2026	n/a	1,176 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
17	Morningstar Sustainalytics	Exact match	Amsterdam, NetherlandsHQ recorded Sep 20, 2026	1,001-5,000	954 contacts →
	Exact match “Morningstar Sustainalytics data and insights allow investors and companies to spend less time grappling with ESG and climate, and more time making the most of it.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Achilles Information Limited	Exact match	Abingdon, United KingdomHQ recorded Sep 20, 2026	501-1,000	836 contacts →
	Exact match “For more than 30 years, Achilles has protected organisations’ business interests and reputations by providing unrivalled levels of supply chain transparency, carbon reduction and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
20	Antea Group USA	Exact match	St Paul, MN, United StatesHQ recorded Sep 20, 2026	1,001-5,000	658 contacts →
	Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	EQS Group	Exact match	München, GermanyHQ recorded Sep 20, 2026	501-1,000	568 contacts →
	Exact match “EQS Group is a leading international cloud provider for corporate compliance & ethics, data privacy, sustainability management, and investor relations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	557 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	ACT Group	Exact match	Amsterdam, NetherlandsHQ recorded Sep 20, 2026	501-1,000	556 contacts →
	Exact match “As the leading environmental solutions partner for organizations globally, ACT helps its partners meet increasing environmental action and disclosure expectations from regulators…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 20, 2026	201-500	540 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Grand View Research, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	501-1,000	539 contacts →
	Exact match “Grand View Research is an end-to-end market research technology and consulting business.” Recorded in the RevenueBase company graph · Sep 20, 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 consulting companies”. 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 17,645 esg consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 61,256 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Esg consulting companies worldwide at a glance

As of Sep 20, 2026

34.0%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

12,450

11-50

4,102

51-200

767

201-500

178

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for esg consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “esg consulting companies” 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. 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 61,256 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 20, 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 consulting companies by location

125 lists · largest first

Every Esg consulting companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many esg consulting companies are there worldwide?

RevenueBase identified 17,645 company matches for esg consulting companies worldwide 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?

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

Which country has the most esg consulting companies?

Brazil leads with 2,233 companies, followed by the United States (2,232) and the United Kingdom (871). Every esg consulting companies list by country and city is linked on this page.

Which city has the most esg consulting companies?

Sao Paulo leads with 410 company records, followed by London (348) and Paris (220).

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 61,256 professional contacts with verified work emails tracked across these 17,645 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 20, 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.