Company lists · Data refreshed September 2026

Top 25 Environmental policy consultants worldwide

Name: Environmental policy consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 21,766 companies tracked

RevenueBase identified 21,766 company matches for environmental policy consultants worldwide as of September 2026 and tracks 256,155 professional contacts across them, including 94,174 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental policy 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 19, 2026. Country and city lists for environmental policy 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 19, 2026 How this list was built

21,766Companies

256,155Contacts tracked

94,174Verified emails

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The 25 largest environmental policy consultants worldwide

Ranked by team size

Top 25 of 21,766 company matches for environmental policy consultants 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	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 19, 2026	10001+	28,416 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	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
3	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
4	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
5	WSP I Sverige	Exact match	Stockholm-marievik, SwedenHQ recorded Sep 19, 2026	10001+	2,607 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Baringa	Exact match	London, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	2,179 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	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
8	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
9	IPE Global Limited	Exact match	New Delhi, IndiaHQ recorded Sep 19, 2026	501-1,000	1,322 contacts →
	Exact match “Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	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
11	RSK Group	Exact match	Helsby, United KingdomHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
12	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
13	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,139 contacts →
	Exact match “At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,137 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,088 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Sep 19, 2026	n/a	982 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
18	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	956 contacts →
	Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Sep 19, 2026	501-1,000	880 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	ATC Group Services LLC	Exact match	Lafayette, LA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	865 contacts →
	Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Pares&alvarez	Exact match	Santiago, ChileHQ recorded Sep 19, 2026	501-1,000	807 contacts →
	Exact match “We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Tauw Nederland	Exact match	Deventer, NetherlandsHQ recorded Sep 19, 2026	1,001-5,000	800 contacts →
	Exact match “TAUW is een Europees advies- en ingenieursbureau.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	DUDEK	Exact match	Encinitas, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	795 contacts →
	Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Interagua Ecuador	Exact match	Guayaquil, EcuadorHQ recorded Sep 19, 2026	501-1,000	783 contacts →
	Exact match “Somos una empresa sólida, confiable, orientada al cliente; líder en el manejo ambiental, con procesos de calidad, tecnología y recursos humanos competentes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	The Foth Companies	Exact match	De Pere, WI, United StatesHQ recorded Sep 19, 2026	501-1,000	781 contacts →
	Exact match “By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” 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 “environmental policy 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 21,766 environmental policy consultants worldwide

See the full list, filter by size, metro and specialty, and access 94,174 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental policy consultants worldwide at a glance

As of Sep 19, 2026

36.8%Verified-email coverage

11.8Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

15,182

11-50

5,213

51-200

965

201-500

210

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 environmental policy consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental policy 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 94,174 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.

Environmental policy consultants by location

88 lists · largest first

Every Environmental policy 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 “environmental policy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental policy consultants are there worldwide?

RevenueBase identified 21,766 company matches for environmental policy 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?

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

Which country has the most environmental policy consultants?

Brazil leads with 2,969 companies, followed by the United States (2,769) and France (1,028). Every environmental policy consultants list by country and city is linked on this page.

Which city has the most environmental policy consultants?

Sao Paulo leads with 406 company records, followed by London (277) and Paris (221).

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 94,174 professional contacts with verified work emails tracked across these 21,766 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.