Company lists · Data refreshed September 2026

Top 25 Green certification consultants worldwide

Name: Green certification consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 10,805 companies tracked

RevenueBase identified 10,805 company matches for green certification consultants worldwide as of September 2026 and tracks 83,751 professional contacts across them, including 28,216 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for green certification consultants 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 green certification consultants 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

10,805Companies

83,751Contacts tracked

28,216Verified emails

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The 25 largest green certification consultants worldwide

Ranked by team size

Top 25 of 10,805 company matches for green certification consultants 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	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
3	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
4	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5	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
6	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
7	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Sep 20, 2026	201-500	447 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	SIPL	Exact match	Noida, IndiaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10	Valpak Limited	Exact match	Stratford-upon-avon, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11	Ecol Studio Lifeanalytics	Exact match	Lucca, ItalyHQ recorded Sep 20, 2026	201-500	345 contacts →
	Exact match “Salute, Sicurezza, Ambiente e Qualità del prodotto: sei davvero sostenibile?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Anthesis ESP	Exact match	Manlleu, SpainHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	Quantis	Exact match	Lausanne, SwitzerlandHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
14	Environmental Consulting & Technology, Inc. ECT	Exact match	Gainesville, FL, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
15	CTE	Exact match	São Paulo, BrazilHQ recorded Sep 20, 2026	51-200	288 contacts →
	Exact match “CTE is a consulting company, which has 28 years of experience in the Construction Industry, offering clients consultancy across a wide range of service nable Projects and Green…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Eodd Ingénieurs Conseils	Exact match	Villeurbanne, FranceHQ recorded Sep 20, 2026	201-500	278 contacts →
	Exact match “Créé en 1991, reconnu comme l’un des meilleurs cabinets français spécialiste de la transformation écologique, EODD ingénieurs conseils apporte sa vision transversale et ses…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Ecology And Environment, INC	Exact match	Lancaster, NY, United StatesHQ recorded Sep 20, 2026	5,001-10,000	278 contacts →
	Exact match “E&E is now WSP USA.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Valora Consultores	Exact match	Madrid, United KingdomHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
19	GAP Ssma	Exact match	Goiânia, BrazilHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
20	Metiri Group	Exact match	Clovis, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
21	Econservation Estudos E Projetos Ambientais	Exact match	Vitória, BrazilHQ recorded Sep 20, 2026	51-200	230 contacts →
	Exact match “A Econservation foi fundada com o propósito de prestação de serviços de Consultoria Especializada, com foco na harmonização dos objetivos e metas de seus clientes com o…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	D2o	Exact match	Jaipur, IndiaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23	PGL Environmental Consultants	Exact match	Vancouver, BC, CanadaHQ recorded Sep 20, 2026	51-200	186 contacts →
	Exact match “PGL Environmental Consultants consistently provides clients with a high level of support and confidence in our environmental management and planning decisions by combining…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	ES	Exact match	Giza, EgyptHQ recorded Sep 20, 2026	n/a	183 contacts →
	Exact match “Engineering Solutions provides LEED, EDGE, WELL, Mostadam & Sustainable Buildings Consulting and Energy Efficiency Solutions for residential, commercial, administrative and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Lead Consultancy And Engineering Services India PVT LTD	Exact match	Bengaluru, IndiaHQ recorded Sep 20, 2026	51-200	174 contacts →
	Exact match “LEAD Consultancy & Engineering Services (India) Private Limited (LCES) has been started by a team of qualified professionals with vast experience and expertise in the areas of…” 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 “green certification consultants”. 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 10,805 green certification consultants worldwide

See the full list, filter by size, metro and specialty, and access 28,216 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green certification consultants worldwide at a glance

As of Sep 20, 2026

33.7%Verified-email coverage

7.8Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

8,108

11-50

2,244

51-200

331

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 green certification consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “green certification consultants” 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 28,216 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.

Green certification consultants by location

56 lists · largest first

Every Green certification consultants 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 “green certification consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green certification consultants are there worldwide?

RevenueBase identified 10,805 company matches for green certification consultants 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 green certification consultants?

Brazil leads with 1,322 companies, followed by the United States (1,211) and the United Kingdom (546). Every green certification consultants list by country and city is linked on this page.

Which city has the most green certification consultants?

Sao Paulo leads with 198 company records, followed by London (175) and Paris (105).

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 28,216 professional contacts with verified work emails tracked across these 10,805 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.