Company lists · Data refreshed September 2026

Top 25 Strategic communications agencies worldwide

RevenueBase identified 32,941 strategic communications agencies worldwide as of September 2026 and tracks 285,568 professional contacts across them, including 79,034 with verified work emails. The United States is the largest market and London the largest hub.

This list covers strategic communications 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 22, 2026. Country and city lists for strategic communications 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
32,941Companies
285,568Contacts tracked
79,034Verified emails
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The 25 largest strategic communications agencies worldwide

Ranked by team size
Top 25 of 32,941 strategic communications agencies worldwide, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to strategic communications agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 20265,001-10,0006,242 contacts →

Partial 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 22, 2026
2Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,0004,191 contacts →

Partial evidence

“Weber Shandwick is the earned-first global communications agency.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceMumbai, IndiaHQ checked Sep 22, 20261,001-5,0001,920 contacts →

Indirect evidence

“Adfactors PR, founded in 1997, is India's largest Public Relations firm.”

Source: RevenueBase Database · checked Sep 22, 2026
4Partial evidenceNY, United StatesHQ checked Sep 22, 20261,001-5,0001,450 contacts →

Partial 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 22, 2026
5Partial evidenceRio De Janeiro, BrazilHQ checked Sep 22, 2026501-1,0001,277 contacts →

Partial evidence

“FSB Comunicações is an Integrated Communications agency focused on results.”

Source: RevenueBase Database · checked Sep 22, 2026
6Strong evidenceBaltimore, MD, United StatesHQ checked Sep 22, 2026n/a1,255 contacts →

Strong 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 22, 2026
7Indirect evidenceHamburg, GermanyHQ checked Sep 22, 20261,001-5,000944 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 22, 2026
8Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 2026501-1,000887 contacts →

Partial evidence

“Zeno Group is the fiercely independent and global, integrated communications agency, born from PR.”

Source: RevenueBase Database · checked Sep 22, 2026
9Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 2026n/a872 contacts →

Partial evidence

“We are a full-service communications agency behind some of the world’s most revered and iconic brands.”

Source: RevenueBase Database · checked Sep 22, 2026
10Strong evidenceNew York, NY, United StatesHQ checked Sep 22, 2026501-1,000821 contacts →

Strong evidence

“Porter Novelli is the strategic communications company, fueled by innovation, empowering clients to do business better in an ever-changing world.”

Source: RevenueBase Database · checked Sep 22, 2026
11Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,000815 contacts →

Partial 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 22, 2026
12Strong evidenceNew York, NY, United StatesHQ checked Sep 22, 2026201-500693 contacts →

Strong evidence

“ICR is a strategic communications and advisory firm that helps management teams align how they communicate with how markets think.”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceSwedenHQ checked Sep 22, 2026n/a678 contacts →

Partial evidence

“FRAU offers strategic PR and project management.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceMadrid, SpainHQ checked Sep 22, 2026501-1,000623 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
15Partial evidenceSydney, AustraliaHQ checked Sep 22, 2026n/a621 contacts →

Partial evidence

“JIMJAM Ideas is an award winning integrated communications agency that believes CONNECTED IDEAS to be the key to powerful and transformative marketing.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceNew York, NY, United StatesHQ checked Sep 22, 2026201-500543 contacts →

Indirect evidence

“Prosek Partners builds – and protects – the top brands in business.”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceLas Vegas, NV, United StatesHQ checked Sep 22, 2026201-500493 contacts →

Indirect evidence

“R&R partners isn’t our name, it’s our promise.”

Source: RevenueBase Database · checked Sep 22, 2026
18Partial evidenceMumbai, IndiaHQ checked Sep 22, 2026501-1,000469 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 22, 2026
19Indirect evidenceNew Delhi, IndiaHQ checked Sep 22, 2026201-500457 contacts →

Indirect evidence

“About Avian We.”

Source: RevenueBase Database · checked Sep 22, 2026
20Partial evidenceNew York, NY, United StatesHQ checked Sep 22, 20261,001-5,000449 contacts →

Partial evidence

“BCW is the global communications agency built to move people.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 22, 2026201-500447 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 22, 2026
22Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 22, 2026n/a444 contacts →

Indirect evidence

“Steam en arbeidsmarktcommunicatie.”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceSao Paulo, BrazilHQ checked Sep 22, 2026201-500441 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 22, 2026
24Partial evidenceSan Jose, CA, United StatesHQ checked Sep 22, 2026201-500441 contacts →

Partial evidence

“Defining communications broadly to include digital, content marketing, thought leadership as well as traditional PR, The Hoffman Agency knows how to differentiate brands and…”

Source: RevenueBase Database · checked Sep 22, 2026
25Partial evidenceAldgate, United KingdomHQ checked Sep 22, 2026201-500415 contacts →

Partial evidence

“Emperor is one of the UK's leading employee-owned creative communications agencies.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 32,941 strategic communications agencies worldwide

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Strategic communications agencies worldwide at a glance

As of Sep 22, 2026
27.7%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
23,598
11-50
7,988
51-200
1,058
201-500
157
501-1,000
60
1,001-5,000
24
5,001-10,000
2
10001+
11

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 strategic communications 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 strategic communications agencies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “strategic communications 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 strategic communications 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 strategic communications 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, 79,034 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 22, 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.

Strategic communications agencies by location

146 lists · largest first

Every Strategic communications agencies 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 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 strategic communications 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 strategic communications agencies are there worldwide?

RevenueBase identified 32,941 strategic communications 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 strategic communications agencies?

The United States leads with 5,455 companies, followed by Brazil (2,482) and France (2,342). Every strategic communications agencies list by country and city is linked on this page.

Which city has the most strategic communications agencies?

London leads with 764 headquartered companies, followed by Sao Paulo (691) and Paris (587).

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 79,034 verified decision-maker contacts tracked across these 32,941 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 22, 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.