Company lists · Data refreshed October 2026

Top 25 Medical affairs communications companies worldwide

RevenueBase identified 1,862 company matches for medical affairs communications companies worldwide as of October 2026 and tracks 31,430 professional contacts across them, including 11,276 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for medical affairs communications companies 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 October 18, 2026. Country and city lists for medical affairs communications companies 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 Oct 18, 2026 How this list was built
1,862Companies
31,430Contacts tracked
11,276Verified emails
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The 25 largest medical affairs communications companies worldwide

Ranked by team size
Top 25 of 1,862 company matches for medical affairs communications companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 matchLondon, United KingdomHQ recorded Oct 18, 2026501-1,0001,044 contacts →

Exact match

“APCER Life Sciences, established in 2007, is a trusted global leader in pharmacovigilance, medical information, medical writing, and regulatory affairs.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchWilmslow, United KingdomHQ recorded Oct 18, 20261,001-5,000967 contacts →

Exact match

“Founded in 2001, Envision Pharma Group is a leading global technology-enabled strategic solutions partner for the life sciences industry, working with over 200 pharma and biotech…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchMacclesfield, United KingdomHQ recorded Oct 18, 2026501-1,000701 contacts →

Exact match

“We reinvent medical communications to solve your toughest challenges.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Oct 18, 2026201-500678 contacts →

Exact match

“Brace your brand.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchCambridge, IndiaHQ recorded Oct 18, 2026501-1,000534 contacts →

Exact match

“Costello Medical is now proudly employee-owned!”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchOxford, United KingdomHQ recorded Oct 18, 2026501-1,000505 contacts →

Exact match

“Today's most complex therapies in oncology, rare disease and specialty biologics have evidence journeys that are long and stakeholders that are sophisticated.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Oct 18, 20261,001-5,000464 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 · Oct 18, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Oct 18, 2026201-500430 contacts →

Exact match

“SIRO unites two distinct but complementary business units: SIRO Medical Writing: SIRO's global medical writing specialists excel in drug development across various therapeutic…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Oct 18, 2026501-1,000420 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 · Oct 18, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 18, 2026501-1,000412 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 · Oct 18, 2026 · View company records in RevenueBase
11Exact matchRaleigh, NC, United StatesHQ recorded Oct 18, 2026201-500406 contacts →

Exact match

“At Alphanumeric, we are committed to bridging the gap between pharmaceutical companies, healthcare professionals (HCPs), patients, and caregivers through innovative and tailored…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchUpper Saddle River, NJ, United StatesHQ recorded Oct 18, 2026201-500353 contacts →

Exact match

“Founded in 2005, The HWP Group (Health & Wellness Partners, LLC) is a leading provider of medical communications solutions to global life sciences companies.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Oct 18, 2026501-1,000335 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 · Oct 18, 2026 · View company records in RevenueBase
14Exact matchBollington, United KingdomHQ recorded Oct 18, 2026201-500302 contacts →

Exact match

“Amiculum is an independent healthcare consulting and communications agency with >300 talented team members in key locations worldwide.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Oct 18, 20261,001-5,000300 contacts →

Exact match

“As of July 1, 2021, McCann Health agencies globally are part of the IPG Health network, which aligns FCB Health agencies and McCann Health agencies under one umbrella.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 18, 2026201-500294 contacts →

Exact match

“Driven by evidence and powered by innovation, we accelerate outcomes.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchShrewsbury, NJ, United StatesHQ recorded Oct 18, 2026201-500267 contacts →

Exact match

“MedForce, an IQVIA business, is a full service Medical Communications company, established in 2001.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Oct 18, 2026501-1,000258 contacts →

Exact match

“Sudler creates advertising, direct marketing, and sales promotion programs for prescription drugs and over-the-counter medications.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchAlpharetta, GA, United StatesHQ recorded Oct 18, 2026201-500257 contacts →

Exact match

“BOLDSCIENCE is a scientifically creative global medical communications agency, part of Assembled Intelligence What exactly does "scientifically creative" mean?”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchDanbury, CT, United StatesHQ recorded Oct 18, 2026201-500229 contacts →

Exact match

“Canopy provides Clinical to Commercial services to 300+ Biotechnology, Pharmaceutical and Medical Device Companies.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchCedar Knolls, NJ, United StatesHQ recorded Oct 18, 2026201-500229 contacts →

Exact match

“Founded in 2004, p-value group has multiple agencies that provide full-service medical communications and top-rated speakers bureau services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchPrinceton, NJ, United StatesHQ recorded Oct 18, 20261,001-5,000227 contacts →

Exact match

“We Are An Agile, Client-first Agency Cactus Life Sciences (CLS) partners with the global biopharma industry to drive innovation and elevate patient outcomes through agile…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Oct 18, 202651-200215 contacts →

Exact match

“Calcium+Company is an award-winning health communications group dedicated to nourishing companies and brands across their full lifecycle.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchAlderley Edge, United KingdomHQ recorded Oct 18, 2026201-500202 contacts →

Exact match

“Helios Global Group is a family of award-winning agencies (Helios, Selene, Apollo and Cogentia), providing full-service healthcare communications expertise to some of the world’s…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchNaples, ItalyHQ recorded Oct 18, 202651-200198 contacts →

Exact match

“Merqurio: closer to customers, closer to market Books, services, relationships and marketing on behalf of public and private healthcare systems: increasingly competitive and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 1,862 medical affairs communications companies worldwide

See the full list, filter by size, metro and specialty, and access 11,276 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Medical affairs communications companies worldwide at a glance

As of Oct 18, 2026
35.9%Verified-email coverage
16.9Average contacts per company
1-10Median size (employees)
5.8%Largest-city concentration · London
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
992
11-50
583
51-200
193
201-500
50
501-1,000
24
1,001-5,000
11
10001+
3

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 medical affairs communications companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “medical affairs communications companies” 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 11,276 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 October 18, 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.

Medical affairs communications companies by location

15 lists · largest first

Every Medical affairs communications companies 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 “medical affairs communications companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many medical affairs communications companies are there worldwide?

RevenueBase identified 1,862 company matches for medical affairs communications companies worldwide as of October 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?

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

Which country has the most medical affairs communications companies?

The United States leads with 515 companies, followed by the United Kingdom (255) and India (119). Every medical affairs communications companies list by country and city is linked on this page.

Which city has the most medical affairs communications companies?

London leads with 108 company records, followed by New York (61) and Toronto (29).

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 11,276 professional contacts with verified work emails tracked across these 1,862 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 October 18, 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.