Company lists · Data refreshed September 2026

Top 25 Public affairs firms worldwide

Name: Public affairs firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 8,501 companies tracked

RevenueBase identified 8,501 company matches for public affairs firms worldwide as of September 2026 and tracks 75,029 professional contacts across them, including 29,407 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for public affairs 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 20, 2026. Country and city lists for public affairs 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 20, 2026 How this list was built

8,501Companies

75,029Contacts tracked

29,407Verified emails

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The 25 largest public affairs firms worldwide

Ranked by team size

Top 25 of 8,501 company matches for public affairs firms 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	Taft Stettinius & Hollister LLP	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,980 contacts →
	Exact match “At Taft, we work as one team, driven and committed to helping you succeed.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
3	Hill & Knowlton	Exact match	NY, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,450 contacts →
	Exact match “Hill & Knowlton is a strategic and creative partner to drive breakthrough opportunities for growth and value creation, advance corporate strategy, and build reputation capital and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Bracewell LLP	Exact match	Houston, TX, United StatesHQ recorded Sep 20, 2026	501-1,000	933 contacts →
	Exact match “Bracewell LLP is a leading law and government relations firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Prosek Partners	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	201-500	543 contacts →
	Exact match “Prosek Partners builds – and protects – the top brands in business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Boies Schiller Flexner LLP	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	501-1,000	537 contacts →
	Exact match “A firm of internationally recognized trial lawyers, crisis managers, and strategic advisors known for our creative, aggressive, and efficient pursuit of success for our clients.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Avian We	Exact match	New Delhi, IndiaHQ recorded Sep 20, 2026	201-500	457 contacts →
	Exact match “About Avian We.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	CFC BIG Ideas	Exact match	Kyiv, UkraineHQ recorded Sep 20, 2026	n/a	414 contacts →
	Exact match “СFC Big Ideas is a communications agency specializing in international projects, government relations & PR.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	DDC Public Affairs	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	411 contacts →
	Exact match “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Mercury Public Affairs, LLC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	390 contacts →
	Exact match “Mercury is a national bipartisan government relations and strategic communications firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	CMM DE LA Calle, Madrazo, Mancera SC	Exact match	Miguel Hidalgo, MexicoHQ recorded Sep 20, 2026	n/a	362 contacts →
	Exact match “Somos una empresa consultora en asuntos públicos que conjunta sustancia con forma y traduce pensamiento al considerar gran diversidad de puntos de vista y panoramas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	DKC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	Berlinrosen, An Orchestra Company	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	201-500	302 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 · Sep 20, 2026 · View company records in RevenueBase
14	Bully Pulpit International	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	282 contacts →
	Exact match “Bully Pulpit International (BPI) is an outcomes agency at the intersection of business, politics, and policy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Public Sector Consultants	Exact match	Lansing, MI, United StatesHQ recorded Sep 20, 2026	n/a	268 contacts →
	Exact match “Our Mission: Improving the quality of life for residents of Michigan and beyond through the development and implementation of innovative, actionable public policies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Cornerstone Government Affairs	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	201-500	255 contacts →
	Exact match “Cornerstone Government Affairs is a full-service, bipartisan, employee-owned firm specializing in government relations and lobbying, public affairs, strategic communications, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	National Public Relations	Exact match	Montreal, QC, CanadaHQ recorded Sep 20, 2026	201-500	255 contacts →
	Exact match “NATIONAL Public Relations provides creative communications solutions that move people in thought and actions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	BGR Group	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	243 contacts →
	Exact match “The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Portland	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	229 contacts →
	Exact match “Portland is a consultancy specialising in public affairs, corporate affairs and geopolitics.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Missionwired	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	201-500	226 contacts →
	Exact match “At MissionWired, we believe your world-changing cause deserves more than marginal gains.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	SKDK	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	220 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 · Sep 20, 2026 · View company records in RevenueBase
22	AVŌQ	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	201-500	205 contacts →
	Exact match “Excellence isn’t enough.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	DCI	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	198 contacts →
	Exact match “DCI Group is an independent public affairs consulting firm that specializes in public relations, crisis management, grassroots engagement, and digital advocacy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Harmon Corporate Affairs	Exact match	Madrid, SpainHQ recorded Sep 20, 2026	51-200	191 contacts →
	Exact match “Harmon is a strategic consulting firm that advises organizations on interpreting their environment and connecting with their stakeholders through non-market strategies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Plus Communications	Exact match	Arlington, VA, United StatesHQ recorded Sep 20, 2026	201-500	188 contacts →
	Exact match “Strategy + Execution = Results.” 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 “public affairs 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 8,501 public affairs firms worldwide

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Public affairs firms worldwide at a glance

As of Sep 20, 2026

39.2%Verified-email coverage

8.8Average contacts per company

1-10Median size (employees)

8.6%Largest-city concentration · Washington

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

6,391

11-50

1,740

51-200

282

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 public affairs firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “public affairs 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 29,407 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.

Public affairs firms by location

56 lists · largest first

Every Public affairs 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 “public affairs firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many public affairs firms are there worldwide?

RevenueBase identified 8,501 company matches for public affairs 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?

Taft Stettinius & Hollister LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most public affairs firms?

The United States leads with 4,036 companies, followed by the United Kingdom (349) and Canada (309). Every public affairs firms list by country and city is linked on this page.

Which city has the most public affairs firms?

Washington leads with 735 company records, followed by London (199) and New York (174).

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 29,407 professional contacts with verified work emails tracked across these 8,501 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.