Company lists · Data refreshed September 2026

Top 25 Corporate messaging agencies worldwide

Name: Corporate messaging agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 40,725 companies tracked

RevenueBase identified 40,725 company matches for corporate messaging agencies worldwide as of September 2026 and tracks 364,453 professional contacts across them, including 89,330 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for corporate messaging agencies 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 19, 2026. Country and city lists for corporate messaging agencies 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 19, 2026 How this list was built

40,725Companies

364,453Contacts tracked

89,330Verified emails

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The 25 largest corporate messaging agencies worldwide

Ranked by team size

Top 25 of 40,725 company matches for corporate messaging agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Idol Image Consulting	Exact match	Kula, HI, TürkiyeHQ recorded Sep 19, 2026	n/a	12,976 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 · Sep 19, 2026 · View company records in RevenueBase
2	Edelman	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	5,001-10,000	6,242 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 · Sep 19, 2026 · View company records in RevenueBase
3	Weber Shandwick	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	4,191 contacts →
	Exact match “Weber Shandwick is the earned-first global communications agency.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Thompson	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	5,001-10,000	3,574 contacts →
	Exact match “J.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
6	Informal	Exact match	GreeceHQ recorded Sep 19, 2026	5,001-10,000	1,802 contacts →
	Exact match “informal is a company based out of Greece.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	LLYC	Exact match	Madrid, SpainHQ recorded Sep 19, 2026	1,001-5,000	1,520 contacts →
	Exact match “Together, we enhance and protect the value of your business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Hill & Knowlton	Exact match	NY, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
9	FSB Comunicação	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 19, 2026	501-1,000	1,277 contacts →
	Exact match “FSB Comunicações is an Integrated Communications agency focused on results.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	TBC	Exact match	Baltimore, MD, United StatesHQ recorded Sep 19, 2026	n/a	1,255 contacts →
	Exact match “TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Mccann	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	10001+	1,207 contacts →
	Exact match “We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Hakuhodo INC	Exact match	Minato-ku, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,168 contacts →
	Exact match “Founded in 1895, Hakuhodo Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Scholz & Friends	Exact match	Hamburg, GermanyHQ recorded Sep 19, 2026	1,001-5,000	944 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 · Sep 19, 2026 · View company records in RevenueBase
14	MSL Global	Exact match	Paris, United KingdomHQ recorded Sep 19, 2026	1,001-5,000	939 contacts →
	Exact match “MSL is the most powerful influence engine for brands, companies and leaders.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Finn Partners	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	903 contacts →
	Exact match “1300+ People.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Zeno Group	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	501-1,000	887 contacts →
	Exact match “Zeno Group is the fiercely independent and global, integrated communications agency, born from PR.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Nike Communications, INC	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	n/a	872 contacts →
	Exact match “We are a full-service communications agency behind some of the world’s most revered and iconic brands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Banco Caroni	Exact match	Caracas, VenezuelaHQ recorded Sep 19, 2026	1,001-5,000	816 contacts →
	Exact match “Responsable de actividades de Mercadeo, Publicidad, Comunicaciones Corporativas, Calidad y Gestión Comercial de la Red de 122 agencias a Nivel Nacional.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Ruder Finn	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	1,001-5,000	815 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 · Sep 19, 2026 · View company records in RevenueBase
20	ICR	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	201-500	693 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 · Sep 19, 2026 · View company records in RevenueBase
21	Atrevia	Exact match	Madrid, SpainHQ recorded Sep 19, 2026	501-1,000	623 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Jimjam Ideas	Exact match	Sydney, AustraliaHQ recorded Sep 19, 2026	n/a	621 contacts →
	Exact match “JIMJAM Ideas is an award winning integrated communications agency that believes CONNECTED IDEAS to be the key to powerful and transformative marketing.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Betc Havas	Exact match	Sao Paulo, BrazilHQ recorded Sep 19, 2026	501-1,000	600 contacts →
	Exact match “A BETC foi fundada em Paris em 1994 e segue sendo reconhecida como uma das agências mais criativas e premiadas do mundo.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Prosek Partners	Exact match	New York, NY, United StatesHQ recorded Sep 19, 2026	201-500	543 contacts →
	Exact match “Prosek Partners builds – and protects – the top brands in business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	OMD Australia	Exact match	South Eveleigh, AustraliaHQ recorded Sep 19, 2026	501-1,000	523 contacts →
	Exact match “OMD Australia is proud to be part of the OMD global network, the world's largest leading marketing and communications agency.” Recorded in the RevenueBase company graph · Sep 19, 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 “corporate messaging agencies”. 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 40,725 corporate messaging agencies worldwide

See the full list, filter by size, metro and specialty, and access 89,330 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate messaging agencies worldwide at a glance

As of Sep 19, 2026

24.5%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

28,653

11-50

10,158

51-200

1,443

201-500

242

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 corporate messaging agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “corporate messaging agencies” 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 89,330 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 19, 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.

Corporate messaging agencies by location

165 lists · largest first

Every Corporate messaging 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 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 “corporate messaging agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate messaging agencies are there worldwide?

RevenueBase identified 40,725 company matches for corporate messaging agencies 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?

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 corporate messaging agencies?

The United States leads with 6,687 companies, followed by Brazil (3,023) and the United Kingdom (2,086). Every corporate messaging agencies list by country and city is linked on this page.

Which city has the most corporate messaging agencies?

London leads with 917 company records, followed by Sao Paulo (876) and New York (619).

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 89,330 professional contacts with verified work emails tracked across these 40,725 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 19, 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.