Company lists · Data refreshed November 2026

Top 25 Health communications consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,662 companies tracked

RevenueBase identified 8,662 company matches for health communications consultants worldwide as of November 2026 and tracks 89,051 professional contacts across them, including 27,862 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for health communications consultants 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 communications consultants 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

8,662Companies

89,051Contacts tracked

27,862Verified emails

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The 25 largest health communications consultants worldwide

Ranked by team size

Top 25 of 8,662 company matches for health communications consultants 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	OI	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	2,021 contacts →
	Exact match “For 25 years, Oi has been at the forefront of healthcare marketing, innovation is in our DNA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
16	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
17	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
18	DKC	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	375 contacts →
	Exact match “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	BGB Group	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	369 contacts →
	Exact match “In 2005, two young entrepreneurs set out to build the agency of the future.Where scientific acumen and creative innovation would seamlessly merge to create compelling, credible…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Nail Communications	Exact match	Providence, RI, United StatesHQ recorded Nov 6, 2026	n/a	348 contacts →
	Exact match “Nail Where every brand finds its fascinating.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Healthcare Consultancy Group - HCG	Exact match	New York, CT, United StatesHQ recorded Nov 6, 2026	501-1,000	343 contacts →
	Exact match “HCG, an Omnicom Group company, is the healthcare communications partner for pharma and biotech that accelerates the impact of medical science.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Gsw, Powered By Syneos Health	Exact match	Columbus, ON, United StatesHQ recorded Nov 6, 2026	501-1,000	336 contacts →
	Exact match “GSW, powered by Syneos Health, is a full-service communications agency that goes beyond advertising to create personalized brand experiences with a focus in health and wellness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Berlinrosen, An Orchestra Company	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	315 contacts →
	Exact match “Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Unlock Health	Exact match	Nashville, TN, United StatesHQ recorded Nov 6, 2026	201-500	311 contacts →
	Exact match “Unlock Health is a full-service marketing communications agency that helps healthcare organizations make authentic connections with patients and communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Reingold, INC	Exact match	Alexandria, VA, United StatesHQ recorded Nov 6, 2026	201-500	305 contacts →
	Exact match “Reingold is a full-service strategic communications and marketing firm, helping clients tell stories that get results.” 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 communications consultants”. 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 8,662 health communications consultants worldwide

See the full list, filter by size, metro and specialty, and access 27,862 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Health communications consultants worldwide at a glance

As of Nov 6, 2026

31.3%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,178

11-50

1,967

51-200

355

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 communications consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “health communications consultants” 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 27,862 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 communications consultants by location

66 lists · largest first

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

How many health communications consultants are there worldwide?

RevenueBase identified 8,662 company matches for health communications consultants 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?

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

Which country has the most health communications consultants?

The United States leads with 3,014 companies, followed by the United Kingdom (622) and Canada (318). Every health communications consultants list by country and city is linked on this page.

Which city has the most health communications consultants?

New York leads with 245 company records, followed by London (234) and Washington (128).

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 27,862 professional contacts with verified work emails tracked across these 8,662 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.