Company lists · Data refreshed September 2026

Top 25 Corporate sustainability agencies worldwide

Name: Corporate sustainability agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 17,157 companies tracked

RevenueBase identified 17,157 company matches for corporate sustainability agencies worldwide as of September 2026 and tracks 135,238 professional contacts across them, including 42,410 with verified work emails. Brazil is the largest market and London the largest hub.

This list covers company matches for corporate sustainability agencies 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 19, 2026. Country and city lists for corporate sustainability agencies 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 19, 2026 How this list was built

17,157Companies

135,238Contacts tracked

42,410Verified emails

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The 25 largest corporate sustainability agencies worldwide

Ranked by team size

Top 25 of 17,157 company matches for corporate sustainability agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 19, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	SLR Consulting	Exact match	London, United KingdomHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
3	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
4	Ecovadis	Exact match	Paris, JapanHQ recorded Sep 19, 2026	1,001-5,000	1,854 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
6	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
7	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Sep 19, 2026	n/a	1,176 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
9	Inerco	Exact match	Sevilla, SpainHQ recorded Sep 19, 2026	1,001-5,000	688 contacts →
	Exact match “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Antea Group USA	Exact match	St Paul, MN, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
11	ACT Group	Exact match	Amsterdam, NetherlandsHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
12	Watershed	Exact match	San Francisco, CA, United StatesHQ recorded Sep 19, 2026	201-500	529 contacts →
	Exact match “Watershed is the enterprise sustainability platform.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Diagonal	Exact match	Sao Paulo, BrazilHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
14	ADP Consulting	Exact match	Melbourne, AustraliaHQ recorded Sep 19, 2026	201-500	468 contacts →
	Exact match “ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
16	SIPL	Exact match	Noida, IndiaHQ recorded Sep 19, 2026	n/a	400 contacts →
	Exact match “SIPL Pvt Ltd is an established and reputed firm in the Sustainable domain since 2008.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Greenflex	Exact match	Paris, FranceHQ recorded Sep 19, 2026	501-1,000	390 contacts →
	Exact match “Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Climatepartner	Exact match	München, GermanyHQ recorded Sep 19, 2026	501-1,000	376 contacts →
	Exact match “ClimatePartner makes climate action valuable for every company at any stage of their journey.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
20	Mahmud Group	Exact match	Uttara, BangladeshHQ recorded Sep 19, 2026	10001+	354 contacts →
	Exact match “Mahmud Group stands as a symbol of quality & reliability.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Valpak Limited	Exact match	Stratford-upon-avon, United KingdomHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
22	Anthesis ESP	Exact match	Manlleu, SpainHQ recorded Sep 19, 2026	201-500	337 contacts →
	Exact match “Som una empresa especialitzada en sostenibilitat, aliada amb les organitzacions, territoris i persones compromesos amb un món més sostenible, als quals acompanyem en la seva…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Umwelt Environmental & Social Consultants	Exact match	Teralba, AustraliaHQ recorded Sep 19, 2026	201-500	329 contacts →
	Exact match “Umwelt has been trusted by clients and communities for over 30 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Quantis	Exact match	Lausanne, SwitzerlandHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
25	Environmental Consulting & Technology, Inc. ECT	Exact match	Gainesville, FL, United StatesHQ recorded Sep 19, 2026	201-500	305 contacts →
	Exact match “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded in the RevenueBase company graph · Sep 19, 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 “corporate sustainability agencies”. 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 17,157 corporate sustainability agencies worldwide

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Corporate sustainability agencies worldwide at a glance

As of Sep 19, 2026

31.4%Verified-email coverage

7.9Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

12,973

11-50

3,375

51-200

567

201-500

126

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 corporate sustainability agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “corporate sustainability agencies” 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 42,410 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 19, 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.

Corporate sustainability agencies by location

89 lists · largest first

Every Corporate sustainability agencies 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 “corporate sustainability agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate sustainability agencies are there worldwide?

RevenueBase identified 17,157 company matches for corporate sustainability agencies 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 corporate sustainability agencies?

Brazil leads with 1,699 companies, followed by the United States (1,503) and France (1,071). Every corporate sustainability agencies list by country and city is linked on this page.

Which city has the most corporate sustainability agencies?

London leads with 407 company records, followed by Sao Paulo (313) and Paris (291).

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 42,410 professional contacts with verified work emails tracked across these 17,157 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 19, 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.