Company lists · Data refreshed September 2026

Top 25 Esg reporting and consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,341 companies tracked

RevenueBase identified 8,341 company matches for esg reporting and consulting firms worldwide as of September 2026 and tracks 75,193 professional contacts across them, including 26,884 with verified work emails. Brazil is the largest market and London the largest hub.

This list covers company matches for esg reporting and 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 reporting and 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

8,341Companies

75,193Contacts tracked

26,884Verified emails

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The 25 largest esg reporting and consulting firms worldwide

Ranked by team size

Top 25 of 8,341 company matches for esg reporting and 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	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	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
3	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
4	BDO Brazil	Exact match	Sp, BrazilHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
5	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6	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
7	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
8	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
9	Uniqus Consultech INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10	Grand View Research, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
11	EBI Consulting	Exact match	Burlington, MA, United StatesHQ recorded Sep 28, 2026	501-1,000	535 contacts →
	Exact match “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	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
13	Datatracks	Exact match	SingaporeHQ recorded Sep 28, 2026	201-500	475 contacts →
	Exact match “Compliance isn’t about reporting data - it’s the foundation of trust, transparency, and resilience in business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Sodali & CO	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	431 contacts →
	Exact match “Sodali & Co advises corporate clients worldwide as they navigate the complex dynamic of shareholder and stakeholder interests.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	SEDEX	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	427 contacts →
	Exact match “Sedex is a global technology company that specialises in data, insights and professional services to empower supply chain sustainability.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	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
17	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
18	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
19	Quantis	Exact match	Lausanne, SwitzerlandHQ recorded Sep 28, 2026	201-500	325 contacts →
	Exact match “Quantis, part of BCG, is a sustainability consulting firm that helps organizations translate sustainability ambition into measurable business value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Position Green	Exact match	Malmö, SwedenHQ recorded Sep 28, 2026	201-500	306 contacts →
	Exact match “Position Green is a sustainability data reporting and management platform that combines software capabilities with expert advisory services to revolutionize the way businesses…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	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
22	Cohnreznick LLP	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	281 contacts →
	Exact match “With over a century’s worth of experience, nearly 4,300 global team members, and 30 locations including global subsidiaries, our firm serves clients in 30 different industries…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Nexia Audirevi	Exact match	Milan, ItalyHQ recorded Sep 28, 2026	201-500	268 contacts →
	Exact match “Società consulenza aziendale, revisione e organizzazione contabile associata al network internazionale Nexia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	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
25	View Group Norge	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	501-1,000	242 contacts →
	Exact match “VIEW Group leverer outsourcing av regnskap, lønn, økonomi og IT-tjenester til norske, nordiske og globale selskaper med 10 til flere tusen ansatte.” 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 reporting and 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 8,341 esg reporting and consulting firms worldwide

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Esg reporting and consulting firms worldwide at a glance

As of Sep 28, 2026

35.8%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

6,032

11-50

1,845

51-200

325

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 reporting and consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “esg reporting and 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 26,884 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 reporting and consulting firms by location

60 lists · largest first

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

How many esg reporting and consulting firms are there worldwide?

RevenueBase identified 8,341 company matches for esg reporting and 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?

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

Which country has the most esg reporting and consulting firms?

Brazil leads with 889 companies, followed by the United States (810) and the United Kingdom (525). Every esg reporting and consulting firms list by country and city is linked on this page.

Which city has the most esg reporting and consulting firms?

London leads with 262 company records, followed by Sao Paulo (227) and Paris (141).

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 26,884 professional contacts with verified work emails tracked across these 8,341 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.