Company lists · Data refreshed October 2026

Top 25 Medical writing services worldwide

RevenueBase identified 1,792 company matches for medical writing services worldwide as of October 2026 and tracks 12,247 professional contacts across them, including 3,831 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 October 18, 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 Oct 18, 2026 How this list was built
1,792Companies
12,247Contacts tracked
3,831Verified emails
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The 25 largest medical writing services worldwide

Ranked by team size
Top 25 of 1,792 company matches for medical writing services 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 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
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact matchNew York, NY, United StatesHQ recorded Oct 18, 20261,001-5,000173 contacts →

Exact match

“TransPerfect Life Sciences offers global content solutions for the pharmaceutical, biotech, and medical device industries.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchMacclesfield, United KingdomHQ recorded Oct 18, 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 · Oct 18, 2026 · View company records in RevenueBase
9Exact matchAmstelveen, NetherlandsHQ recorded Oct 18, 202651-200141 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 · Oct 18, 2026 · View company records in RevenueBase
10Exact matchFrankfurt, GermanyHQ recorded Oct 18, 202651-200131 contacts →

Exact match

“At Trilogy, medical writing is our passion.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 18, 2026201-500124 contacts →

Exact match

“Big agencies deliver scale and diverse expertise.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Oct 18, 202611-50121 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchManchester, United KingdomHQ recorded Oct 18, 202651-200114 contacts →

Exact match

“We believe that standout communication takes outstanding people.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchReading, United KingdomHQ recorded Oct 18, 202651-20093 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 · Oct 18, 2026 · View company records in RevenueBase
15Exact matchAlcobendas, SpainHQ recorded Oct 18, 202651-20092 contacts →

Exact match

“Meisys is a Medical Information, Drug Safety, Regulatory and Medical Affairs outsourcing company providing medical, scientific and technical services to the pharmaceutical…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchMadrid, FranceHQ recorded Oct 18, 202651-20089 contacts →

Exact match

“Content Ed Net provides communication services to medical affairs and marketing teams in pharmaceutical companies around the world.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 18, 2026201-50087 contacts →

Exact match

“Specialists in the future of medical communications.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchLondon, MA, United KingdomHQ recorded Oct 18, 202651-20080 contacts →

Exact match

“We are a global medical communications agency blending deep scientific expertise with creative brilliance to inspire change.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 18, 202651-20075 contacts →

Exact match

“We are Obsidian – a specialist healthcare agency dedicated to medical & scientific communications.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Oct 18, 202651-20071 contacts →

Exact match

“Caudex is now Omnicom Health Medical Communications.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchCT, United StatesHQ recorded Oct 18, 202651-20066 contacts →

Exact match

“We are a science-led global medical communications agency that partners with leading pharmaceutical and biotechnology companies to bring innovative science to life through…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchHaywards Heath, United KingdomHQ recorded Oct 18, 202611-5066 contacts →

Exact match

“LCW Consulting | Bringing excellence and innovation to medical communications LCW Consulting is an independently owned UK medical communications agency, not to be confused with…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchRoseland, NJ, United StatesHQ recorded Oct 18, 202611-5065 contacts →

Exact match

“The Westfield Group (Wg) is a full-service agency offering medical communications, training, and meetings & recognition services focused on specialty pharmaceutical and biotech…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchSingaporeHQ recorded Oct 18, 202651-20060 contacts →

Exact match

“NEOVATION is a medical communications company.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchSomerset, NJ, United StatesHQ recorded Oct 18, 202651-20060 contacts →

Exact match

“At DeltaMed Solutions, our dynamic growth is complemented by a well-established foundation, positioning us as a highly competitive force in the industry.”

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

Showing 25 of 1,792 medical writing services worldwide

See the full list, filter by size, metro and specialty, and access 3,831 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 Oct 18, 2026
31.3%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · London
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
1,382
11-50
303
51-200
71
201-500
19
501-1,000
8
1,001-5,000
4
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 3,831 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 writing services by location

9 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 1,792 company matches for medical writing services 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?

Ashfield Medcomms, An Inizio Company 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 480 companies, followed by the United Kingdom (188) and India (119). 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 55 company records, followed by Toronto (25) and New York (22).

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 3,831 professional contacts with verified work emails tracked across these 1,792 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.