Company lists · Data refreshed September 2026

Top 25 Environmental pr firms worldwide

Name: Environmental pr firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 5,560 companies tracked

RevenueBase identified 5,560 company matches for environmental pr firms worldwide as of September 2026 and tracks 38,856 professional contacts across them, including 11,728 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for environmental pr 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 environmental pr 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

5,560Companies

38,856Contacts tracked

11,728Verified emails

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The 25 largest environmental pr firms worldwide

Ranked by team size

Top 25 of 5,560 company matches for environmental pr 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	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,920 contacts →
	Exact match “Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Sep 28, 2026	201-500	433 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Mikeworldwide	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	381 contacts →
	Exact match “MWW is one of the world’s leading independent, integrated PR agencies with offices across the US and UK, and a global network of partners.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	DKC	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	201-500	349 contacts →
	Exact match “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Kindred	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	348 contacts →
	Exact match “We are Kindred.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	ROMAN	Exact match	Barcelona, SpainHQ recorded Sep 28, 2026	51-200	315 contacts →
	Exact match “Roman is a communication and Public Relations cross sector agency with 30 years’ experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	V360 Group	Exact match	Okhla, IndiaHQ recorded Sep 28, 2026	201-500	267 contacts →
	Exact match “Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	MERCK	Exact match	SpainHQ recorded Sep 28, 2026	10001+	264 contacts →
	Exact match “Departamento de Comunicación Externa” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	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
10	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
11	CDN Comunicação	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	201-500	209 contacts →
	Exact match “Somos “The PR PowerHouse”, uma verdadeira potência em PR e todas as suas disciplinas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	SVM PR And Marketing	Exact match	Providence, RI, United StatesHQ recorded Sep 28, 2026	n/a	206 contacts →
	Exact match “Increasing visibility, relevance and value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Helix Environmental Planning, INC	Exact match	La Mesa, CA, United StatesHQ recorded Sep 28, 2026	201-500	199 contacts →
	Exact match “HELIX Environmental Planning, Inc.(HELIX) is an employee-owned, environmental consulting firm established in 1991 and with offices in San Diego, Los Angeles, Orange, Riverside…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	GAC	Exact match	Santiago, ChileHQ recorded Sep 28, 2026	51-200	195 contacts →
	Exact match “Gestión Ambiental Consultores S.A.(GAC) es una empresa de consultoría ambiental fundada en 1991 que presta servicios en distintas áreas de la gestión ambiental para los…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	PR Professionals	Exact match	Gurgaon, IndiaHQ recorded Sep 28, 2026	201-500	186 contacts →
	Exact match “PR Professionals is an innovative PR Agency which understands the importance of relationship building, consumer needs and publicity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Stirrup Communication Consultants	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	51-200	176 contacts →
	Exact match “Stirrup Communication Consultants Pvt Ltd (Stirrup), previously known as AICL Communications Limited, is a corporate reporting, ESG, stakeholder communications consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Centro DE Medicina Nuclear DA Guanabara Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	51-200	160 contacts →
	Exact match “Centro de Medicina” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Media Mantra Global	Exact match	Gurgaon, IndiaHQ recorded Sep 28, 2026	51-200	152 contacts →
	Exact match “What started in 2012 as the vision of a group of young entrepreneurs has grown into India's first independent integrated communications agency with a presence across.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Ince PTY LTD	Exact match	Sandton, South AfricaHQ recorded Sep 28, 2026	51-200	149 contacts →
	Exact match “A trusted leader in investor marketing and stakeholder communications for over a century, we redefine excellence through strategic, integrated, innovative solutions for listed…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Quest Resource Management Group, A Qrhc Company Nasdaq Qrhc	Exact match	The Colony, TX, United StatesHQ recorded Sep 28, 2026	51-200	147 contacts →
	Exact match “Quest Resource Management Group, a subsidiary of Quest Resource Holding Corporation (Nasdaq: QRHC), is a full-service environmental consulting and management company headquartered…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Cognito	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	131 contacts →
	Exact match “Cognito is the global communications agency for finance, technology and the climate transition.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	The Practice	Exact match	Bangalore, IndiaHQ recorded Sep 28, 2026	51-200	124 contacts →
	Exact match “For 25 years, The PRactice has been a trusted partner for businesses and institutions navigating the complexities of 21st-century market realities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Bicho DO Mato Meio Ambiente Environmental Consulting	Exact match	Belo Horizonte, BrazilHQ recorded Sep 28, 2026	51-200	121 contacts →
	Exact match “A Empresa Bicho do Mato Meio Ambiente Ltda.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Cascadia Consulting Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	110 contacts →
	Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Pulsar Advertising	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	11-50	110 contacts →
	Exact match “Pulsar is not your typical advertising and marketing agency.” 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 “environmental pr 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 5,560 environmental pr firms worldwide

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Environmental pr firms worldwide at a glance

As of Sep 28, 2026

30.2%Verified-email coverage

7.0Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

4,181

11-50

1,174

51-200

135

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 environmental pr firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental pr 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 11,728 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.

Environmental pr firms by location

39 lists · largest first

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

How many environmental pr firms are there worldwide?

RevenueBase identified 5,560 company matches for environmental pr 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?

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

Which country has the most environmental pr firms?

The United States leads with 1,268 companies, followed by the United Kingdom (514) and Brazil (326). Every environmental pr firms list by country and city is linked on this page.

Which city has the most environmental pr firms?

London leads with 172 company records, followed by New York (93) and Paris (92).

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 11,728 professional contacts with verified work emails tracked across these 5,560 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.