Company lists · Data refreshed November 2026

Top 25 Executive communications firms worldwide

RevenueBase identified 27,412 company matches for executive communications firms worldwide as of November 2026 and tracks 223,589 professional contacts across them, including 61,127 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for executive communications 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 6, 2026. Country and city lists for executive communications 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 6, 2026 How this list was built
27,412Companies
223,589Contacts tracked
61,127Verified emails
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The 25 largest executive communications firms worldwide

Ranked by team size
Top 25 of 27,412 company matches for executive communications firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKula, HI, TürkiyeHQ recorded Nov 6, 2026n/a12,972 contacts →

Exact match

“IDOL Image Consulting has developed strategies to help individuals, groups or corporate organizations face today’s challenges and fierce competition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, GA, United StatesHQ recorded Nov 6, 20265,001-10,0006,721 contacts →

Exact match

“Edelman is a global communications firm that partners with businesses and organizations to evolve, promote and protect their brands and reputations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0004,318 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Nov 6, 20265,001-10,0003,870 contacts →

Exact match

“Burson is the global leader in communications, purpose-built to create value for our clients through reputation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0002,070 contacts →

Exact match

“Teneo is the global CEO advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,056 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,902 contacts →

Exact match

“FGS Global is the strategic leadership advisory for a complex world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026n/a1,851 contacts →

Exact match

“Improfit es una agencia de comunicación corporativa y organizacional fundada en en Montevideo, Uruguay.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchEdmonton, AB, United StatesHQ recorded Nov 6, 20261,001-5,0001,430 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,0001,387 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHamburg, GermanyHQ recorded Nov 6, 20261,001-5,000954 contacts →

Exact match

“Scholz & Friends provides an all-inclusive selection of resources to assist client partners in sharing their stories and ideas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000942 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000930 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000784 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500773 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000656 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500592 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000561 contacts →

Exact match

“Reputação é resultado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-200508 contacts →

Exact match

“JKL is now Kekst CNC Stockholm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 2026n/a499 contacts →

Exact match

“BPR is a boutique communications firm speicalizing in the energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026201-500488 contacts →

Exact match

“About Avian We.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAldgate, United KingdomHQ recorded Nov 6, 2026201-500445 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKyiv, UkraineHQ recorded Nov 6, 2026n/a415 contacts →

Exact match

“СFC Big Ideas is a communications agency specializing in international projects, government relations & PR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200403 contacts →

Exact match

“Mercury is a national bipartisan government relations and strategic communications firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500400 contacts →

Exact match

“Applecart advises the C-suites of hundreds of industry-leading organizations spanning over 100 of the Fortune 500, top communications and advertising agencies, major trade…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 27,412 executive communications firms worldwide

See the full list, filter by size, metro and specialty, and access 61,127 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Executive communications firms worldwide at a glance

As of Nov 6, 2026
27.3%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
22,021
11-50
4,544
51-200
584
201-500
101
501-1,000
33
1,001-5,000
17
5,001-10,000
6
10001+
6

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 executive communications firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “executive communications 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 61,127 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 6, 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.

Executive communications firms by location

158 lists · largest first

Every Executive communications 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 “executive communications firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many executive communications firms are there worldwide?

RevenueBase identified 27,412 company matches for executive communications 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?

Idol Image Consulting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most executive communications firms?

The United States leads with 6,867 companies, followed by the United Kingdom (1,595) and Brazil (1,426). Every executive communications firms list by country and city is linked on this page.

Which city has the most executive communications firms?

London leads with 800 company records, followed by New York (636) and Paris (494).

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 61,127 professional contacts with verified work emails tracked across these 27,412 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 6, 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.