Company lists · Data refreshed September 2026

Top 25 Esg compliance consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 10,782 companies tracked

RevenueBase identified 10,782 company matches for esg compliance consulting firms worldwide as of September 2026 and tracks 74,168 professional contacts across them, including 23,703 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for esg compliance consulting firms 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 28, 2026. Country and city lists for esg compliance consulting firms 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 28, 2026 How this list was built

10,782Companies

74,168Contacts tracked

23,703Verified emails

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The 25 largest esg compliance consulting firms worldwide

Ranked by team size

Top 25 of 10,782 company matches for esg compliance consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	Ecovadis	Exact match	Paris, JapanHQ recorded Sep 28, 2026	1,001-5,000	1,854 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Morningstar Sustainalytics	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5	Achilles Information Limited	Exact match	Abingdon, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	Antea Group USA	Exact match	St Paul, MN, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
7	Diagonal	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	501-1,000	527 contacts →
	Exact match “Diagonal is a pioneering socio-environmental management consultancy that helps companies, organizations and governments to raise their ESG standard and generate a positive…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Sep 28, 2026	501-1,000	448 contacts →
	Exact match “Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Sep 28, 2026	201-500	361 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Valpak Limited	Exact match	Stratford-upon-avon, United KingdomHQ recorded Sep 28, 2026	201-500	347 contacts →
	Exact match “Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Ecol Studio Lifeanalytics	Exact match	Lucca, ItalyHQ recorded Sep 28, 2026	201-500	345 contacts →
	Exact match “Salute, Sicurezza, Ambiente e Qualità del prodotto: sei davvero sostenibile?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Moore Brasil	Exact match	BrazilHQ recorded Sep 28, 2026	501-1,000	332 contacts →
	Exact match “Desde 1997 no Brasil, somos membros da Moore Global, uma das principais redes de Auditoria, Consultoria, Outsourcing e Tributos presente em mais de 114 países e entre as maiores…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Serr Synergy	Exact match	Pretoria East, South AfricaHQ recorded Sep 28, 2026	201-500	330 contacts →
	Exact match “We provide local and international businesses, ranging from SMME's to large organizations and across a broad spectrum of industries, with tailor-made strategies and solutions to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Comply	Exact match	New York City, NY, United StatesHQ recorded Sep 28, 2026	201-500	308 contacts →
	Exact match “At Comply, we pride ourselves on being the champion for compliance professionals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	WST LAW & TAX Firm	Exact match	Milano, ItalyHQ recorded Sep 28, 2026	201-500	300 contacts →
	Exact match “WST is a firm providing integrated consultancy in Legal, Tax, Risk, Compliance, ESG and Accounting areas of business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Martinelli Auditores	Exact match	Joinville, United StatesHQ recorded Sep 28, 2026	201-500	263 contacts →
	Exact match “Fundada em 1973, a MARTINELLI consolidou posição como referência em auditoria e consultoria para empresas de todos os portes e segmentos do mercado nacional.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	EHS Support	Exact match	Pittsburgh, United StatesHQ recorded Sep 28, 2026	201-500	241 contacts →
	Exact match “EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Valora Consultores	Exact match	Madrid, United KingdomHQ recorded Sep 28, 2026	51-200	241 contacts →
	Exact match “VALORA is a consulting company who focus its activity towards a new professional innovative and thrilling challenge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	GAP Ssma	Exact match	Goiânia, BrazilHQ recorded Sep 28, 2026	201-500	234 contacts →
	Exact match “A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Metiri Group	Exact match	Clovis, CA, United StatesHQ recorded Sep 28, 2026	n/a	233 contacts →
	Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	K G Somani & CO LLP	Exact match	New Delhi, IndiaHQ recorded Sep 28, 2026	201-500	231 contacts →
	Exact match “K.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Ambientare	Exact match	Brasilia, BrazilHQ recorded Sep 28, 2026	51-200	228 contacts →
	Exact match “A Ambientare – Soluções em Meio Ambiente é uma empresa especializada na prestação de serviços na área de meio ambiente, focada no licenciamento ambiental, gestão ambiental da…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	ESG Data & Solutions	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	201-500	223 contacts →
	Exact match “ESGDS provides a one-stop solution for financial institutions by helping clients with ESG Data, domain expertise to interpret new regulations and company disclosures as well as…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	D2o	Exact match	Jaipur, IndiaHQ recorded Sep 28, 2026	51-200	217 contacts →
	Exact match “Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	August Mack Environmental, INC	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 28, 2026	51-200	210 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 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 compliance 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 10,782 esg compliance consulting firms worldwide

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Esg compliance consulting firms worldwide at a glance

As of Sep 28, 2026

32.0%Verified-email coverage

6.9Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

7,992

11-50

2,298

51-200

362

201-500

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 compliance consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “esg compliance 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. 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 23,703 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 28, 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 compliance consulting firms by location

69 lists · largest first

Every Esg compliance consulting firms 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 compliance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many esg compliance consulting firms are there worldwide?

RevenueBase identified 10,782 company matches for esg compliance consulting firms 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?

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

Which country has the most esg compliance consulting firms?

The United States leads with 1,646 companies, followed by Brazil (1,203) and the United Kingdom (641). Every esg compliance consulting firms list by country and city is linked on this page.

Which city has the most esg compliance consulting firms?

Sao Paulo leads with 252 company records, followed by London (250) and Paris (126).

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 23,703 professional contacts with verified work emails tracked across these 10,782 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 28, 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.