Company lists · Data refreshed October 2026

Top 25 Clinical research networks based in the United Kingdom

RevenueBase identified 136 company matches for clinical research networks associated with the United Kingdom as of October 2026 and tracks 3,488 professional contacts across them, including 1,475 with verified work emails. London is the largest hub.

This list covers company matches for clinical research networks 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
136Companies
3,488Contacts tracked
1,475Verified emails
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The 25 largest clinical research networks based in the United Kingdom

Ranked by team size
Top 25 of 136 company matches for clinical research networks 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 matchBlackpool, United KingdomHQ recorded Oct 9, 2026201-500317 contacts →

Exact match

“MAC Clinical Research is a leading full-service, global Contract Research Organisation (CRO) with over 30 years of experience in clinical trial management.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchMerthyr Tydfil, United KingdomHQ recorded Oct 9, 2026201-500308 contacts →

Exact match

“Our passion for improving patients’ lives motivates us to apply our skills, experience, and knowledge to advance medicine.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchLiverpool, United KingdomHQ recorded Oct 9, 2026501-1,000303 contacts →

Exact match

“FutureMeds is an independent, fully-owned European Site Network and DCT service provider dedicated to running patient-centric clinical trials and delivering quality data for the…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-200235 contacts →

Exact match

“At Richmond, we're on a mission to transform healthcare by delivering faster answers and turning hope into tangible solutions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact matchManchester, United KingdomHQ recorded Oct 9, 202651-200108 contacts →

Exact match

“The Medicines Evaluation Unit (MEU) Ltd, an IQVIA business, is one of the UK’s leading contract research organisations, a facility where commitment to excellence is paramount.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchLetchworth Garden City, United KingdomHQ recorded Oct 9, 202651-200100 contacts →

Exact match

“Innovative Trials was built around a simple belief, patient recruitment works better when people feel supported.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20096 contacts →

Exact match

“IXICO is no ordinary Imaging Contract Research Organisation (iCRO).”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20068 contacts →

Exact match

“OXON Epidemiology is a European full-service Contract Research Organization (CRO) specialised in real-world evidence (RWE) and observational research across all major therapeutic…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5056 contacts →

Exact match

“Clerkenwell Health is building the UK’s leading specialist neuro and psychiatry site network, created to raise the standard of how CNS clinical trials are run.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20047 contacts →

Exact match

“Protas is transforming clinical trials for the benefit of patients worldwide.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchMaidenhead, United KingdomHQ recorded Oct 9, 202611-5031 contacts →

Exact match

“The Institute of Clinical Research (ICR) is probably the oldest independent membership-led professional body for global clinical researchers.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchBirmingham, United KingdomHQ recorded Oct 9, 202611-5025 contacts →

Exact match

“A not-for-profit company, any surplus income is reinvested for blood cancer patients’ benefit.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5024 contacts →

Exact match

“ROKC is an innovative CRO specialising in the bespoke design, management and delivery of Pan European multi-centre clinical trials to commercial, academic and non governmental…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchSandwich, United KingdomHQ recorded Oct 9, 202611-5023 contacts →

Exact match

“Drug discovery and development requires in-depth multi-disciplinary expertise which organisations may not always have in-house.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchWelwyn Garden City, United KingdomHQ recorded Oct 9, 202611-5022 contacts →

Exact match

“PHARMExcel is an award-winning, ISO 9001:2015 certified, full-service Contract Research Organisation (CRO) providing a flexible and innovative approach to clinical trial delivery.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchWythenshawe, United KingdomHQ recorded Oct 9, 202611-5020 contacts →

Exact match

“We are proud to offer our clients a single solution for our clients' clinical trial programmes.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5019 contacts →

Exact match

“CYTE is an innovative, contract research organisation (CRO) specialising in cardiovascular disease.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchDerby, United KingdomHQ recorded Oct 9, 202611-5013 contacts →

Exact match

“VCTC is a new type of clinical research site, specialised in making clinical research accessible and meaningful for anyone, anywhere.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5010 contacts →

Exact match

“Paspigioni is a full-service contract research organisation dedicated to excellence in clinical trials of pharmaceutical, biotech, and medical devices.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5010 contacts →

Exact match

“Tailored Clinical Research Solutions (TCRS) is a CRO whose founders have detailed knowledge of the clinical research landscape across Europe and the US.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-2009 contacts →

Exact match

“Oncacare is passionate about transforming cancer research to advance new treatments.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchBerkshire, United KingdomHQ recorded Oct 9, 202611-509 contacts →

Exact match

“PHARM-OLAM INTERNATIONAL (UK) LIMITED is a company based out of THE BRACKENS, LONDON ROAD ASCOT, BERKSHIRE, United Kingdom.”

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

Showing 25 of 136 clinical research networks based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,475 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical research networks based in the United Kingdom at a glance

As of Oct 9, 2026
42.3%Verified-email coverage
25.6Average contacts per company
11-50Median size (employees)
27.9%Largest-city concentration · London
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
43
51-200
32
201-500
9
501-1,000
5
5,001-10,000
2

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 136 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 networks” 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 1,475 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 networks 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 networks”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 136 company matches for clinical research networks 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 networks?

London leads with 38 company records, followed by Manchester (12) and Glasgow (6).

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 1,475 professional contacts with verified work emails tracked across these 136 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.

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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.