Company lists · Data refreshed October 2026

Top 25 Clinical research writing services based in the United Kingdom

RevenueBase identified 118 company matches for clinical research writing services associated with the United Kingdom as of October 2026 and tracks 1,273 professional contacts across them, including 612 with verified work emails. London is the largest hub.

This list covers company matches for clinical research writing services associated with the United Kingdom, 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 9, 2026.

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 9, 2026 How this list was built
118Companies
1,273Contacts tracked
612Verified emails
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The 25 largest clinical research writing services based in the United Kingdom

Ranked by team size
Top 25 of 118 company matches for clinical research writing services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 9, 2026501-1,000359 contacts →

Exact match

“At WEP Clinical, we operate as a specialist CRO with a proven track record of excellence in designing, managing, and executing Clinical Trials, Expanded Access Programs (EAPs)…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchMacclesfield, United KingdomHQ recorded Oct 9, 202651-200195 contacts →

Exact match

“Illingworth Research Group™, a Syneos Health® company, is a leading provider of clinical research home health services, providing highly trained, qualified and experienced…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchGlasgow, United KingdomHQ recorded Oct 9, 2026501-1,000137 contacts →

Exact match

“Clintec, an IQVIA company, is an innovative, medium-sized, global Contract Research Organization providing global full and functional service support to the pharmaceutical…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchManchester, United KingdomHQ recorded Oct 9, 202651-200114 contacts →

Exact match

“We believe that standout communication takes outstanding people.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchRichmond, United KingdomHQ recorded Oct 9, 202611-5039 contacts →

Exact match

“Niche Science & Technology Ltd has provided a comprehensive clinical research service to a growing number of pharmaceutical clients since its inception in 1998.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchReading, United KingdomHQ recorded Oct 9, 202651-20033 contacts →

Exact match

“Sylphid Analytics is a specialized Clinical Research Organization (CRO) delivering high-quality, end-to-end support to the Pharmaceutical and Biopharmaceutical industries.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchWokingham, United KingdomHQ recorded Oct 9, 202611-5024 contacts →

Exact match

“Numerus is a statistical contract research organisation (CRO) with a proven track record in clinical trials, a specialised skillset for health technology assessment, and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchDoune, United KingdomHQ recorded Oct 9, 202611-5023 contacts →

Exact match

“Alchemy Medical Writing are an established group of medical writers, delivering regulatory writing and medical communications projects to a wide range of pharmaceutical and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5022 contacts →

Exact match

“PharmaReview, an IQVIA business, provides copy review services to the life science industry, with the aim of rapid throughput to approval and certification.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchKnutsford, United KingdomHQ recorded Oct 9, 202611-5017 contacts →

Exact match

“Connecting science, evidence, and strategy to deliver meaningful healthcare impact.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchBristol, United KingdomHQ recorded Oct 9, 20261-1015 contacts →

Exact match

“Effective Medical is a full service agency with expertise in all aspects of pharmacovigilance and regulatory writing services.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5012 contacts →

Exact match

“At Morula Health, regulatory and clinical medical writing is our priority.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchHereford, United KingdomHQ recorded Oct 9, 20261-1011 contacts →

Exact match

“Momentum-Pharma was established with the aim of helping Biotechs, CROs and Pharmaceutical companies supplement their teams.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchCrowthorne, United KingdomHQ recorded Oct 9, 20261-108 contacts →

Exact match

“Your Science.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchOxford, United KingdomHQ recorded Oct 9, 202611-508 contacts →

Exact match

“Clear, concise regulatory documentation is critical to the success of any drug development program.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-107 contacts →

Exact match

“With over 18 years of experience our innovative group of experienced Medical Writers and Biostatisticians are equipped with the skills, expertise and the “know how” to adapt and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchGuildford, United KingdomHQ recorded Oct 9, 2026201-5006 contacts →

Exact match

“Clinicology is the UK subsidiary of FGK Clinical Research, a trusted full-service CRO, partnering with pharmaceutical, biotechnology, and medical device companies to transform…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchEdinburgh, United KingdomHQ recorded Oct 9, 20261-106 contacts →

Exact match

“We believe we are here to play a role in elevating global healthcare." WHO WE WORK WITH- Nonprofit organisations - Life science and biotech companies - University tech transfer…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchLewes, United KingdomHQ recorded Oct 9, 20261-103 contacts →

Exact match

“Southdown Medical Writing Ltd offers medical writing and associated editorial services to pharmaceutical and scientific clients requiring support, from small early-phase clinical…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchBelfast, United KingdomHQ recorded Oct 9, 20261-103 contacts →

Exact match

“Highly qualified and experienced medical writing team Strategic and tactical knowhow Broad disease knowledge Thorough, proven research capabilities Global industry experience…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchDover, United KingdomHQ recorded Oct 9, 20261-103 contacts →

Exact match

“We are an established business service provider offering specialised solutions in regulatory medical writing, business support and management consultancy.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchManchester, United KingdomHQ recorded Oct 9, 20261-102 contacts →

Exact match

“Lyrical Medical Writing Services provides high quality and competitively priced medical writing services to the pharmaceutical industry, medical communication agencies, academic…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-102 contacts →

Exact match

“CDDI is a specialist bio-medical consulting company based in London and Barcelona and founded in 2009 by R&D executives from top Pharma companies.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 9, 20261-102 contacts →

Exact match

“Our regulatory and medical writing expertise spans numerous therapeutic areas and regulatory path complexities.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchBroadstairs, United KingdomHQ recorded Oct 9, 20261-102 contacts →

Exact match

“Noble Writing & Consultancy Ltd offers a high quality service utilising extensive knowledge and experience to prepare regulatory documentation, study reports and submission ready…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 118 clinical research writing services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 612 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical research writing services based in the United Kingdom at a glance

As of Oct 9, 2026
48.1%Verified-email coverage
10.8Average contacts per company
1-10Median size (employees)
22.0%Largest-city concentration · London
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
89
11-50
17
51-200
7
201-500
2
501-1,000
3

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 118 companies.

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.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “clinical research 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 612 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 9, 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.

Clinical research writing services by metro

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

How many clinical research writing services are there based in the United Kingdom?

RevenueBase identified 118 company matches for clinical research writing services associated with the United Kingdom 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?

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

Which city has the most clinical research writing services?

London leads with 26 company records, followed by Manchester (10) and Macclesfield (3).

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 612 professional contacts with verified work emails tracked across these 118 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 9, 2026.

Ready to reach these companies? Verified emails and direct dials for all 118 clinical research writing services based in the United Kingdom. Start with a free account, no credit card.

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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.