Company lists · Data refreshed November 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 Nov 5, 2026 7,202 companies tracked

RevenueBase identified 7,202 company matches for environmental pr firms worldwide as of November 2026 and tracks 53,467 professional contacts across them, including 16,214 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 November 5, 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 Nov 5, 2026 How this list was built

7,202Companies

53,467Contacts tracked

16,214Verified emails

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The 25 largest environmental pr firms worldwide

Ranked by team size

Top 25 of 7,202 company matches for environmental pr firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 2026	1,001-5,000	2,056 contacts →
	Exact match “Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Nov 5, 2026	201-500	474 contacts →
	Exact match “The Roux organization applies sophisticated scientific, technical, and managerial resources to develop and implement effective, efficient, and sustainable solutions to our…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Mikeworldwide	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	403 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 · Nov 5, 2026 · View company records in RevenueBase
4	5wpr	Exact match	New York, FL, United StatesHQ recorded Nov 5, 2026	201-500	401 contacts →
	Exact match “5W is one of the largest independently owned PR and digital marketing agencies in the US.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	DKC	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	375 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 · Nov 5, 2026 · View company records in RevenueBase
6	ROMAN	Exact match	Barcelona, SpainHQ recorded Nov 5, 2026	51-200	335 contacts →
	Exact match “Roman is a communication and Public Relations cross sector agency with 30 years’ experience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Berlinrosen, An Orchestra Company	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	315 contacts →
	Exact match “Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	V360 Group	Exact match	Okhla, IndiaHQ recorded Nov 5, 2026	201-500	307 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 · Nov 5, 2026 · View company records in RevenueBase
9	Kindred	Exact match	London, United KingdomHQ recorded Nov 5, 2026	n/a	299 contacts →
	Exact match “We are Kindred.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	MERCK	Exact match	SpainHQ recorded Nov 5, 2026	10001+	275 contacts →
	Exact match “Departamento de Comunicación Externa” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	GAP Ssma	Exact match	Goiânia, BrazilHQ recorded Nov 5, 2026	201-500	251 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 · Nov 5, 2026 · View company records in RevenueBase
12	CDN Comunicação	Exact match	São Paulo, BrazilHQ recorded Nov 5, 2026	201-500	230 contacts →
	Exact match “Somos “The PR PowerHouse”, uma verdadeira potência em PR e todas as suas disciplinas.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	SKDK	Exact match	Washington, CA, United StatesHQ recorded Nov 5, 2026	51-200	229 contacts →
	Exact match “SKDK provides strategic advice, public relations, crisis communications, advertising, direct mail, and research to national and international companies, advocacy organizations…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	SVM PR And Marketing	Exact match	Providence, MA, United StatesHQ recorded Nov 5, 2026	n/a	214 contacts →
	Exact match “SVM is an award-winning public relations, content, and marketing agency.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Helix Environmental Planning, INC	Exact match	La Mesa, CA, United StatesHQ recorded Nov 5, 2026	201-500	213 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 · Nov 5, 2026 · View company records in RevenueBase
16	GAC	Exact match	Santiago, ChileHQ recorded Nov 5, 2026	51-200	203 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 · Nov 5, 2026 · View company records in RevenueBase
17	APPL	Exact match	Clovis, CA, United StatesHQ recorded Nov 5, 2026	n/a	201 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 · Nov 5, 2026 · View company records in RevenueBase
18	PR Professionals	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	201-500	197 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 · Nov 5, 2026 · View company records in RevenueBase
19	Encender Comunicación S.A	Exact match	Buenos Aires, ArgentinaHQ recorded Nov 5, 2026	51-200	196 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Centro DE Medicina Nuclear DA Guanabara Ltda	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 5, 2026	51-200	185 contacts →
	Exact match “Centro de Medicina” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Eureka&co	Exact match	Cuauhtémoc, MexicoHQ recorded Nov 5, 2026	51-200	166 contacts →
	Exact match “PR and marketing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Oliver Schrott Kommunikation OSK	Exact match	Cologne, GermanyHQ recorded Nov 5, 2026	201-500	157 contacts →
	Exact match “Oliver Schrott Kommunikation, Germany’s fourth-largest owner-operated PR agency, develops and realizes successful communication programs that extend far beyond the scope of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Quest Resource Management Group, A Qrhc Company Nasdaq Qrhc	Exact match	Irving, TX, United StatesHQ recorded Nov 5, 2026	51-200	156 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 · Nov 5, 2026 · View company records in RevenueBase
24	Spheros Environmental	Exact match	Denver, WA, United StatesHQ recorded Nov 5, 2026	201-500	142 contacts →
	Exact match “Environmental insight for complex real-world decisions Spheros Environmental helps clients make clear, defensible decisions in complex environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Flint Group Of Agencies	Exact match	Fargo, MN, United StatesHQ recorded Nov 5, 2026	51-200	140 contacts →
	Exact match “Flint Group brings together strategic marketing, PR, and communications expertise across traditional and non-traditional channels.” Recorded in the RevenueBase company graph · Nov 5, 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 7,202 environmental pr firms worldwide

See the full list, filter by size, metro and specialty, and access 16,214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental pr firms worldwide at a glance

As of Nov 5, 2026

30.3%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

5,422

11-50

1,516

51-200

162

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 16,214 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 November 5, 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

55 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 7,202 company matches for environmental pr firms worldwide as of November 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 2,179 companies, followed by the United Kingdom (596) and Brazil (320). 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 196 company records, followed by New York (180) and Los Angeles (101).

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 16,214 professional contacts with verified work emails tracked across these 7,202 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 November 5, 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.