Company lists · Data refreshed September 2026
Top 25 Public affairs advertising agencies worldwide
RevenueBase identified 12,792 public affairs advertising agencies worldwide as of September 2026 and tracks 139,406 professional contacts across them, including 47,917 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers public affairs advertising agencies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for public affairs advertising agencies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest public affairs advertising agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,242 contacts → | ||||
Indirect evidence “Edelman is a global communications firm that partners with businesses and organizations to evolve, promote and protect their brands and reputations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,191 contacts → | ||||
Indirect evidence “Weber Shandwick is the earned-first global communications agency.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,920 contacts → | ||||
Partial evidence “Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,450 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,255 contacts → | ||||
Partial evidence “TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 944 contacts → | ||||
Indirect evidence “Scholz & Friends provides an all-inclusive selection of resources to assist client partners in sharing their stories and ideas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 887 contacts → | ||||
Indirect evidence “Zeno Group is the fiercely independent and global, integrated communications agency, born from PR.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 872 contacts → | ||||
Indirect evidence “We are a full-service communications agency behind some of the world’s most revered and iconic brands.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 815 contacts → | ||||
Indirect evidence “Ruder Finn is one of the world’s largest global independent integrated marketing and communications agencies, leading at the intersection of technology, human creativity, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 543 contacts → | ||||
Indirect evidence “Prosek Partners builds – and protects – the top brands in business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 493 contacts → | ||||
Indirect evidence “R&R partners isn’t our name, it’s our promise.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 469 contacts → | ||||
Partial evidence “MSL is Publicis Groupe’s public relations and integrated communications network, one of the world’s largest.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 457 contacts → | ||||
Indirect evidence “About Avian We.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 447 contacts → | ||||
Indirect evidence “For over 100 years, 22squared has helped complex businesses solve their toughest challenges through insight-driven media and creative.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 441 contacts → | ||||
Indirect evidence “Agência de comunicação full service com mais de 150 clientes nos segmentos corporativo, consumo, mídia e entretenimento, saúde, tecnologia e telecomunicações, dentre outros.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 415 contacts → | ||||
Indirect evidence “Emperor is one of the UK's leading employee-owned creative communications agencies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 414 contacts → | ||||
Indirect evidence “СFC Big Ideas is a communications agency specializing in international projects, government relations & PR.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 411 contacts → | ||||
Strong evidence “DDC Public Affairs builds communities of advocates that impact policy and win campaigns.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 401 contacts → | ||||
Indirect evidence “Ogilvy desarrolla campañas de comunicación icónicas y rompedoras desde el día en que su fundador, David Ogilvy, abrió su agencia en 1948.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 390 contacts → | ||||
Indirect evidence “Mercury is a national bipartisan government relations and strategic communications firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 381 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 364 contacts → | ||||
Indirect evidence “Sunshine Sachs Morgan & Lylis is an independent, full-service firm specializing in communications and narrative strategy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 362 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 356 contacts → | ||||
Indirect evidence “Campbell Ewald is a full service, fully integrated marketing communications agency with offices in Detroit, Los Angeles and New York.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 349 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: public affairs advertising agencies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names public affairs advertising agencies.
- Partial evidence
- Its own public description names part of public affairs advertising agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name public affairs advertising agencies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 12,792 public affairs advertising agencies worldwide
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Public affairs advertising agencies worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among public affairs advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for public affairs advertising agencies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “public affairs advertising agencies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names public affairs advertising agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among public affairs advertising agencies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 47,917 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Public affairs advertising agencies by location
90 lists · largest firstEvery Public affairs advertising agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Public affairs advertising agencies based in the United States4,554
- Public affairs advertising agencies based in the United Kingdom654
- Public affairs advertising agencies based in Brazil552
- Public affairs advertising agencies based in Canada399
- Public affairs advertising agencies based in India359
- Public affairs advertising agencies based in France336
- Public affairs advertising agencies based in Australia315
- Public affairs advertising agencies based in Germany295
- Public affairs advertising agencies based in Spain190
- Public affairs advertising agencies based in Italy180
- Public affairs advertising agencies based in Mexico179
- Public affairs advertising agencies based in the Netherlands135
- Public affairs advertising agencies based in Argentina122
- Public affairs advertising agencies based in Poland101
- Public affairs advertising agencies based in Belgium99
- Public affairs advertising agencies based in South Africa92
- Public affairs advertising agencies based in Sweden90
- Public affairs advertising agencies based in Switzerland86
- Public affairs advertising agencies based in Colombia82
- Public affairs advertising agencies based in Indonesia77
- Public affairs advertising agencies based in Chile76
- Public affairs advertising agencies based in Türkiye72
- Public affairs advertising agencies based in the United Arab Emirates69
- Public affairs advertising agencies based in New Zealand64
- Public affairs advertising agencies based in Peru62
- Public affairs advertising agencies based in Romania59
- Public affairs advertising agencies based in Denmark55
- Public affairs advertising agencies based in Greece54
- Public affairs advertising agencies based in Ireland50
- Public affairs advertising agencies based in Austria45
- Public affairs advertising agencies based in Israel45
- Public affairs advertising agencies based in the Philippines44
- Public affairs advertising agencies based in Malaysia39
- Public affairs advertising agencies based in Egypt38
- Public affairs advertising agencies based in Saudi Arabia33
- Public affairs advertising agencies based in Portugal32
- Public affairs advertising agencies based in Japan27
- Public affairs advertising agencies based in Norway25
Cities
- Public affairs advertising agencies based in Washington, United States589
- Public affairs advertising agencies based in London, United Kingdom302
- Public affairs advertising agencies based in New York, United States275
- Public affairs advertising agencies based in Paris, France168
- Public affairs advertising agencies based in Sao Paulo, Brazil148
- Public affairs advertising agencies based in Los Angeles, United States141
- Public affairs advertising agencies based in Toronto, Canada122
- Public affairs advertising agencies based in Chicago, United States112
- Public affairs advertising agencies based in Sacramento, United States95
- Public affairs advertising agencies based in Austin, United States93
- Public affairs advertising agencies based in Boston, United States71
- Public affairs advertising agencies based in Atlanta, United States67
- Public affairs advertising agencies based in Berlin, Germany66
- Public affairs advertising agencies based in Madrid, Spain64
- Public affairs advertising agencies based in San Francisco, United States59
- Public affairs advertising agencies based in Denver, United States58
- Public affairs advertising agencies based in Alexandria, United States57
- Public affairs advertising agencies based in Sydney, Australia56
- Public affairs advertising agencies based in New Delhi, India55
- Public affairs advertising agencies based in Ottawa, Canada55
- Public affairs advertising agencies based in Miami, United States54
- Public affairs advertising agencies based in Stockholm, Sweden54
- Public affairs advertising agencies based in Dallas, United States53
- Public affairs advertising agencies based in Phoenix, United States51
- Public affairs advertising agencies based in Melbourne, Australia48
- Public affairs advertising agencies based in Mumbai, India48
- Public affairs advertising agencies based in San Diego, United States45
- Public affairs advertising agencies based in Warszawa, Poland45
- Public affairs advertising agencies based in Columbus, United States43
- Public affairs advertising agencies based in Montreal, Canada42
- Public affairs advertising agencies based in Seattle, United States41
- Public affairs advertising agencies based in Philadelphia, United States39
- Public affairs advertising agencies based in Portland, United States38
- Public affairs advertising agencies based in Barcelona, Spain37
- Public affairs advertising agencies based in Dubai, United Arab Emirates37
- Public affairs advertising agencies based in Rio De Janeiro, Brazil36
- Public affairs advertising agencies based in Tallahassee, United States36
- Public affairs advertising agencies based in Bucharest, Romania34
- Public affairs advertising agencies based in Hamburg, Germany34
- Public affairs advertising agencies based in Minneapolis, United States34
- Public affairs advertising agencies based in Nashville, United States34
- Public affairs advertising agencies based in Raleigh, United States34
- Public affairs advertising agencies based in Houston, United States33
- Public affairs advertising agencies based in Richmond, United States32
- Public affairs advertising agencies based in Vancouver, Canada32
- Public affairs advertising agencies based in Arlington, United States31
- Public affairs advertising agencies based in Auckland, New Zealand30
- Public affairs advertising agencies based in Baltimore, United States29
- Public affairs advertising agencies based in Johannesburg, South Africa29
- Public affairs advertising agencies based in Calgary, Canada26
- Public affairs advertising agencies based in Indianapolis, United States26
- Public affairs advertising agencies based in Lansing, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names public affairs advertising agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many public affairs advertising agencies are there worldwide?
RevenueBase identified 12,792 public affairs advertising agencies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Edelman, headquartered in New York, tops this list with the largest team on record.
Which country has the most public affairs advertising agencies?
The United States leads with 4,554 companies, followed by the United Kingdom (654) and Brazil (552). Every public affairs advertising agencies list by country and city is linked on this page.
Which city has the most public affairs advertising agencies?
Washington leads with 590 headquartered companies, followed by London (309) and New York (275).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 47,917 verified decision-maker contacts tracked across these 12,792 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.