Company lists · Data refreshed September 2026

Top 25 Clinical trial law firms based in the United Kingdom

RevenueBase identified 134 company matches for clinical trial law firms associated with the United Kingdom as of September 2026 and tracks 3,629 professional contacts across them, including 1,233 with verified work emails. London is the largest hub.

This list covers company matches for clinical trial law firms 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 September 27, 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 Sep 27, 2026 How this list was built
134Companies
3,629Contacts tracked
1,233Verified emails
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The 25 largest clinical trial law firms based in the United Kingdom

Ranked by team size
Top 25 of 134 company matches for clinical trial law firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 20261,001-5,0001,197 contacts →

Exact match

“Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500321 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchGlasgow, United KingdomHQ recorded Sep 27, 2026501-1,000136 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 · Sep 27, 2026 · View company records in RevenueBase
4Exact matchBelfast, United KingdomHQ recorded Sep 27, 202611-5042 contacts →

Exact match

“ARC's purpose is to expedite access to precision medicine clinical trials for patients globally.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchRichmond, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
6Exact matchReading, United KingdomHQ recorded Sep 27, 202651-20037 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchIpswich, United KingdomHQ recorded Sep 27, 202651-20035 contacts →

Exact match

“End-to-end CRO services Strategic consultation for all aspects of your trial Customizing an optimal trial design Fit-for-purpose data End-to-end patient focused services Quick…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5029 contacts →

Exact match

“Weatherden is a global clinical development consultancy helping biotech and pharma realize the full potential of their science and investment.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchDartford, United KingdomHQ recorded Sep 27, 202651-20025 contacts →

Exact match

“Clinvigilant Research is a leading provider of comprehensive services to the life sciences industry, specializing in Contract Research Organization (CRO) services, eClinical…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5023 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 · Sep 27, 2026 · View company records in RevenueBase
11Exact matchWarrington, United KingdomHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“KLS Law is a trusted UK law firm with over 25 years of collective legal expertise, delivering practical, results-driven advice to individuals, businesses, insurers, and public…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchSt Ives, United KingdomHQ recorded Sep 27, 202611-5018 contacts →

Exact match

“WHO WE ARE QRC Consultants Ltd is a team of experienced QA, regulatory and clinical research professionals, dedicated to providing high quality, practical, responsive and cost…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchWelwyn Garden City, United KingdomHQ recorded Sep 27, 202611-5018 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 · Sep 27, 2026 · View company records in RevenueBase
14Exact matchSwindon, United KingdomHQ recorded Sep 27, 202651-20017 contacts →

Exact match

“An Individual and Expert Approach Novum Law is a national firm specialising in Serious Injury, Medical Negligence and Asbestos illness claims.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchRegents Park, United KingdomHQ recorded Sep 27, 20261-1015 contacts →

Exact match

“We are a team qualified legal and compliance experts, with extensive experience working with companies in the pharmaceutical and biotech industry, providing high calibre practical…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“Follow us for the latest regulatory insights and strategies << Advance Regulatory Consulting is an enterprising and innovative regulatory consultancy to the pharmaceutical and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5012 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 · Sep 27, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5011 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 · Sep 27, 2026 · View company records in RevenueBase
19Exact matchHereford, United KingdomHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchEly, United KingdomHQ recorded Sep 27, 20261-107 contacts →

Exact match

“Global Regulatory Services (GRS) operates at the forefront of technology in the life science industry specialising in new and upcoming regulations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchGuildford, United KingdomHQ recorded Sep 27, 2026201-5007 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 · Sep 27, 2026 · View company records in RevenueBase
23Exact matchEast Kilbride, United KingdomHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Karma Oncology is an oncology specialized, well-established unique clinical development company which was incorporated in 2012.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchDundee, United KingdomHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Onorach manage Phase I to IV clinical research studies for drug products (including biologicals (stem cells)), nutraceutical products and medical devices using a tailored…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchStevenage, United KingdomHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Artemida Pharma is a drug development consultancy whose highly experienced scientists represent multiple disciplines and therapeutic areas.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 134 clinical trial law firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,233 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical trial law firms based in the United Kingdom at a glance

As of Sep 27, 2026
34.0%Verified-email coverage
27.1Average contacts per company
1-10Median size (employees)
33.6%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
26
51-200
14
201-500
4
501-1,000
1
1,001-5,000
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 134 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 trial law firms” 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 1,233 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 September 27, 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.

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 trial law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical trial law firms are there based in the United Kingdom?

RevenueBase identified 134 company matches for clinical trial law firms associated with the United Kingdom as of September 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?

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

Which city has the most clinical trial law firms?

London leads with 45 company records, followed by Glasgow (4) and Guildford (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 1,233 professional contacts with verified work emails tracked across these 134 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 September 27, 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.