Company lists · Data refreshed September 2026

Top 25 Internal communication agencies worldwide

Name: Internal communication agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 18,740 companies tracked

RevenueBase identified 18,740 company matches for internal communication agencies worldwide as of September 2026 and tracks 193,452 professional contacts across them, including 46,359 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

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

18,740Companies

193,452Contacts tracked

46,359Verified emails

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The 25 largest internal communication agencies worldwide

Ranked by team size

Top 25 of 18,740 company matches for internal communication agencies 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	Young & Rubicam	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	10001+	1,602 contacts →
	Exact match “Y&R is a leading global marketing communications company, with more than 189 offices in 90+ countries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Serviceplan Group	Exact match	Munich, GermanyHQ recorded Sep 20, 2026	5,001-10,000	1,298 contacts →
	Exact match “Serviceplan Group is the largest independent, partner-led agency group in Europe.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	FSB Comunicação	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
4	APS Group	Exact match	Stockport, United KingdomHQ recorded Sep 20, 2026	501-1,000	1,152 contacts →
	Exact match “We’ve been delivering marketing and communications since 1961.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Scholz & Friends	Exact match	Hamburg, GermanyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
6	Finn Partners	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	1,001-5,000	903 contacts →
	Exact match “1300+ People.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Zeno Group	Exact match	New York, NY, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
8	Nike Communications, INC	Exact match	New York, NY, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9	Mullenlowe Lintas Group	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	201-500	851 contacts →
	Exact match “MullenLowe Lintas Group is one of India’s largest and most admired communication groups.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Banco Caroni	Exact match	Caracas, VenezuelaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11	Jimjam Ideas	Exact match	Sydney, AustraliaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
12	Betc Havas	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13	Mullenlowe Global	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	544 contacts →
	Exact match “Happy to see you came here to learn a little more about us!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	OMD Australia	Exact match	South Eveleigh, AustraliaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
15	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
16	BCW Global	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	1,001-5,000	449 contacts →
	Exact match “BCW is the global communications agency built to move people.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	22squared	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	201-500	447 contacts →
	Exact match “For over 100 years, 22squared has helped complex businesses solve their toughest challenges through insight-driven media and creative.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Workshop	Exact match	Omaha, NE, United StatesHQ recorded Sep 20, 2026	51-200	447 contacts →
	Exact match “Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	The Hoffman Agency	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 2026	201-500	441 contacts →
	Exact match “Defining communications broadly to include digital, content marketing, thought leadership as well as traditional PR, The Hoffman Agency knows how to differentiate brands and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Inpress Porter Novelli	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 2026	201-500	441 contacts →
	Exact match “Agência de comunicação full service com mais de 150 clientes nos segmentos corporativo, consumo, mídia e entretenimento, saúde, tecnologia e telecomunicações, dentre outros.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Jung VON Matt	Exact match	Hamburg, GermanyHQ recorded Sep 20, 2026	1,001-5,000	424 contacts →
	Exact match “Jung von Matt is – in terms of awards for both creativity and efficiency – the most successful advertising agency group in German-speaking countries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Emperor	Exact match	Aldgate, United KingdomHQ recorded Sep 20, 2026	201-500	415 contacts →
	Exact match “Emperor is one of the UK's leading employee-owned creative communications agencies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Ogilvyes	Exact match	SpainHQ recorded Sep 20, 2026	201-500	401 contacts →
	Exact match “Ogilvy desarrolla campañas de comunicación icónicas y rompedoras desde el día en que su fundador, David Ogilvy, abrió su agencia en 1948.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Workvivo By Zoom	Exact match	Cork, IrelandHQ recorded Sep 20, 2026	201-500	394 contacts →
	Exact match “Workvivo is an employee experience platform (EXP) that simplifies communication and increases engagement by empowering employees to be heard and helping everyone to feel included…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Grapes Worldwide	Exact match	New Delhi, IndiaHQ recorded Sep 20, 2026	201-500	384 contacts →
	Exact match “Grapes Worldwide is a fastest growing global Marketing & Communication agency where we create “Story-Enabled Growth.” We are Data Obsessed and Strategically Engineered thinkers…” 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 “internal communication 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 18,740 internal communication agencies worldwide

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Internal communication agencies worldwide at a glance

As of Sep 20, 2026

24.0%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

12,304

11-50

5,300

51-200

857

201-500

152

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 internal communication agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “internal communication 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 46,359 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.

Internal communication agencies by location

82 lists · largest first

Every Internal communication 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 “internal communication agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal communication agencies are there worldwide?

RevenueBase identified 18,740 company matches for internal communication 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?

Young & Rubicam tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most internal communication agencies?

Brazil leads with 2,026 companies, followed by France (1,944) and Italy (1,357). Every internal communication agencies list by country and city is linked on this page.

Which city has the most internal communication agencies?

Sao Paulo leads with 578 company records, followed by Paris (416) and London (303).

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 46,359 professional contacts with verified work emails tracked across these 18,740 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.