Company lists · Data refreshed November 2026

Top 25 Health system communications agencies worldwide

Name: Health system communications agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,300 companies tracked

RevenueBase identified 12,300 company matches for health system communications agencies worldwide as of November 2026 and tracks 135,155 professional contacts across them, including 44,766 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for health system communications 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 November 6, 2026. Country and city lists for health system communications 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 Nov 6, 2026 How this list was built

12,300Companies

135,155Contacts tracked

44,766Verified emails

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The 25 largest health system communications agencies worldwide

Ranked by team size

Top 25 of 12,300 company matches for health system communications agencies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Edelman	Exact match	New York, GA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,721 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
2	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,056 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
3	Ruder Finn	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	942 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
4	Zeno Group	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	930 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
5	Digitas Health	Exact match	Philadelphia, United StatesHQ recorded Nov 6, 2026	501-1,000	893 contacts →
	Exact match “Digitas Health is connected, for good.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Area 23	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	886 contacts →
	Exact match “AREA 23, part of Omnicom Health, is a full-service agency focused on pushing creativity and invention in healthcare marketing to new heights.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	FCB Health NEW York	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	848 contacts →
	Exact match “Part of Omnicom Health, FCB Health New York is a full-service agency with more than 40 years of experience marketing to healthcare professionals, patients and consumers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Publicis Health	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	832 contacts →
	Exact match “At Publicis Health, we believe keeping the world healthy is our most extraordinary social endeavor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	MMG	Exact match	Rockville, MD, United StatesHQ recorded Nov 6, 2026	n/a	802 contacts →
	Exact match “MMG is a full-service global health communications group that specializes in patient recruitment and retention.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Omnicom Health	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	740 contacts →
	Exact match “Omnicom Health is the world’s most comprehensive, multi-specialty healthcare communications network.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	VML Health	Exact match	United StatesHQ recorded Nov 6, 2026	5,001-10,000	739 contacts →
	Exact match “VML is a global creative company that combines brand experience, customer experience, and commerce to create connected brands that drive growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Ashfield Medcomms, An Inizio Company	Exact match	Macclesfield, United KingdomHQ recorded Nov 6, 2026	501-1,000	711 contacts →
	Exact match “We reinvent medical communications to solve your toughest challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Atrevia	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	501-1,000	656 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Spectrum Science	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	633 contacts →
	Exact match “Brace your brand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Havas Health Network	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	594 contacts →
	Exact match “Havas Health Network unites Havas Life, Havas Lynx, and Jacques, all wholly owned health and communications networks, with the consumer health businesses and practices of Havas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Prosek Partners	Exact match	New York, United StatesHQ recorded Nov 6, 2026	201-500	592 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
17	Ogilvy UK	Exact match	United KingdomHQ recorded Nov 6, 2026	501-1,000	532 contacts →
	Exact match “Ogilvy UK inspires brands and people to impact the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Oxford Pharmagenesis	Exact match	Oxford, United KingdomHQ recorded Nov 6, 2026	501-1,000	513 contacts →
	Exact match “Oxford PharmaGenesis is a HealthScience communications consultancy, now part of the Klick Health family.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Avian We	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	201-500	488 contacts →
	Exact match “About Avian We.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Biolumina	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	487 contacts →
	Exact match “The agency where curiosity builds change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Havas Lynx	Exact match	Manchester, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	467 contacts →
	Exact match “We are a leading healthcare communications agency with a full-service global offering and 400 multi-disciplinary specialists in Manchester, London, and New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Emperor	Exact match	Aldgate, United KingdomHQ recorded Nov 6, 2026	201-500	445 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
23	GCI Health	Exact match	New York, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	424 contacts →
	Exact match “GCI Health is the leading global health impact agency built to realize the future of health.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	CHU Tours	Exact match	FranceHQ recorded Nov 6, 2026	501-1,000	410 contacts →
	Exact match “CHU Tours is a public relations and communications company based out of France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Mikeworldwide	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	403 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 6, 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 “health system communications 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 12,300 health system communications agencies worldwide

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Health system communications agencies worldwide at a glance

As of Nov 6, 2026

33.1%Verified-email coverage

11.0Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,767

11-50

2,857

51-200

470

201-500

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 health system communications agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “health system communications 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 44,766 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.

Health system communications agencies by location

99 lists · largest first

Every Health system 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 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 “health system communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many health system communications agencies are there worldwide?

RevenueBase identified 12,300 company matches for health system communications agencies 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?

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

Which country has the most health system communications agencies?

The United States leads with 4,090 companies, followed by the United Kingdom (985) and Germany (404). Every health system communications agencies list by country and city is linked on this page.

Which city has the most health system communications agencies?

London leads with 397 company records, followed by New York (396) and Washington (186).

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 44,766 professional contacts with verified work emails tracked across these 12,300 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.