Company lists · Data refreshed November 2026

Top 25 Medical writing services worldwide

RevenueBase identified 2,159 company matches for medical writing services worldwide as of November 2026 and tracks 22,840 professional contacts across them, including 9,106 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for medical writing services 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 medical writing services 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
2,159Companies
22,840Contacts tracked
9,106Verified emails
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The 25 largest medical writing services worldwide

Ranked by team size
Top 25 of 2,159 company matches for medical writing services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 20261,001-5,0002,198 contacts →

Exact match

“At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBad Homburg, GermanyHQ recorded Nov 6, 20261,001-5,0001,574 contacts →

Exact match

“PharmaLex is now part of Cencora, a leading global pharmaceutical solutions organization centered on improving lives around the world PharmaLex adds to Cencora’s expanding suite…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,0001,060 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchXc, United KingdomHQ recorded Nov 6, 20261,001-5,000998 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMacclesfield, United KingdomHQ recorded Nov 6, 2026501-1,000711 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
6Exact matchCambridge, IndiaHQ recorded Nov 6, 2026501-1,000546 contacts →

Exact match

“Costello Medical is now proudly employee-owned!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOxford, United KingdomHQ recorded Nov 6, 2026501-1,000513 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
8Exact matchMumbai, NJ, IndiaHQ recorded Nov 6, 2026201-500445 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUpper Saddle River, NJ, United StatesHQ recorded Nov 6, 2026201-500356 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, CT, United StatesHQ recorded Nov 6, 2026501-1,000343 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
11Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500323 contacts →

Exact match

“We are a leading life-sciences knowledge services organization, with two decades of success in delivering consulting-led, integrated solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, CA, United KingdomHQ recorded Nov 6, 2026201-500301 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDanbury, CT, United StatesHQ recorded Nov 6, 2026201-500233 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPrinceton, United StatesHQ recorded Nov 6, 20261,001-5,000229 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAlderley Edge, CT, United KingdomHQ recorded Nov 6, 2026201-500208 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCaguas, OH, Puerto RicoHQ recorded Nov 6, 2026201-500181 contacts →

Exact match

“Ultimate Solutions combines regulatory expertise, cutting-edge technology, and operational excellence to deliver tailored 360° solutions at every stage of your pharmaceutical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMacclesfield, United KingdomHQ recorded Nov 6, 202651-200167 contacts →

Exact match

“Established in 2005, Bioscript Group is formed from multiple, specialist businesses to support our global pharmaceutical clients; we draw on their multidisciplinary expertise to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAmstelveen, NetherlandsHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“Excerpta Medica is a full-service, global medical communications agency with decades of experience partnering with the healthcare industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFrankfurt, GermanyHQ recorded Nov 6, 202651-200135 contacts →

Exact match

“At Trilogy, medical writing is our passion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-50132 contacts →

Exact match

“Editor Group provides expert writing, editing and proofreading services for business and government clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, ON, United KingdomHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Big agencies deliver scale and diverse expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWest Chester, PA, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“Synchrony Group is an independently owned group of companies built on a foundation of scientific excellence and specializing in medical communications and marketing communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“We believe that standout communication takes outstanding people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMacclesfield, PA, United KingdomHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“CMC Connect is now Omnicom Health Medical Communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchReading, United KingdomHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Porterhouse Medical provides powerful, insight-driven, scientific and medical communication services to the pharmaceutical industry across the globe, with a focus on solutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,159 medical writing services worldwide

See the full list, filter by size, metro and specialty, and access 9,106 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Medical writing services worldwide at a glance

As of Nov 6, 2026
39.9%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,626
11-50
371
51-200
99
201-500
31
501-1,000
13
1,001-5,000
6
10001+
1

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 writing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “medical writing services” 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 9,106 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.

Medical writing services by location

12 lists · largest first

Every Medical writing services 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 writing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many medical writing services are there worldwide?

RevenueBase identified 2,159 company matches for medical writing services 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?

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

Which country has the most medical writing services?

The United States leads with 571 companies, followed by the United Kingdom (234) and India (155). Every medical writing services list by country and city is linked on this page.

Which city has the most medical writing services?

London leads with 67 company records, followed by Toronto (34) and New York (25).

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 9,106 professional contacts with verified work emails tracked across these 2,159 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.