Company lists · Data refreshed October 2026

Top 25 Clinical quality assurance companies based in the United Kingdom

RevenueBase identified 170 company matches for clinical quality assurance companies associated with the United Kingdom as of October 2026 and tracks 26,265 professional contacts across them, including 7,768 with verified work emails. London is the largest hub.

This list covers company matches for clinical quality assurance companies 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
170Companies
26,265Contacts tracked
7,768Verified emails
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The 25 largest clinical quality assurance companies based in the United Kingdom

Ranked by team size
Top 25 of 170 company matches for clinical quality assurance companies 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, 202610001+24,130 contacts →

Exact match

“Intertek is a leading Total Quality Assurance provider to industries worldwide.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchHitchin, United KingdomHQ recorded Oct 9, 2026201-500183 contacts →

Exact match

“Quanticate is a leading global data focused clinical research organisation (CRO) primarily focused on the management, analysis and reporting of data from clinical trials and…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchTeddington, United KingdomHQ recorded Oct 9, 202651-20072 contacts →

Exact match

“Excellence in Analytical Chemistry Since 1974 With 50 years of experience, Butterworth Laboratories remains a fully independent UK contract analytical service that provides…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchCamberley, United KingdomHQ recorded Oct 9, 202651-20068 contacts →

Exact match

“ADAMAS Consulting is a global specialist consultancy offering a full range of independent GCP, GVP, GLP, CSC and GMP Quality Assurance and Quality Management services on a global…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 9, 202611-5065 contacts →

Exact match

“Qniverse is your trusted Quality Assurance service partner that stands at the forefront of a paradigm shift in QA by redefining quality.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchIpswich, United KingdomHQ recorded Oct 9, 2026n/a52 contacts →

Exact match

“Our discussion group is now located in our Community Hub.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchAbingdon, United KingdomHQ recorded Oct 9, 202611-5046 contacts →

Exact match

“ZigZag QA is your trusted worldwide quality leader, offering true global reach and unrivaled expertise to reduce risk and efforts.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchDoncaster, United KingdomHQ recorded Oct 9, 202651-20042 contacts →

Exact match

“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchManchester, United KingdomHQ recorded Oct 9, 202611-5037 contacts →

Exact match

“EMQN is the leading global provider of quality assurance tools and knowledge to the human molecular pathology and genetic testing community in the form of External Quality…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchCardiff, United KingdomHQ recorded Oct 9, 202611-5036 contacts →

Exact match

“Weqas is one of the leading External Quality Assessment (EQA) providers in Laboratory Medicine.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20035 contacts →

Exact match

“Tendable offers a complete quality assurance solution to provide health and social care professionals the appropriate tools they need for quality audit, insight and assurance…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchGlasgow, United KingdomHQ recorded Oct 9, 202611-5031 contacts →

Exact match

“CS Lifesciences is an award-winning enterprise regulatory strategy consultancy, rated #1 in the US, and trusted by Fortune 500 companies, leading medtech firms, and diagnostics…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 9, 202651-20031 contacts →

Exact match

“At Apotech, we are trusted Life Sciences experts specialising in Quality Assurance and Regulatory Affairs.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchGlasgow, United KingdomHQ recorded Oct 9, 202611-5029 contacts →

Exact match

“Quality Control for Molecular Diagnostics (QCMD) is one of the leading independent International External Quality Assessment / Proficiency Testing organisations.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchSheffield, United KingdomHQ recorded Oct 9, 2026201-50025 contacts →

Exact match

“UK NEQAS is a world leader in External Quality Assessment (EQA), supporting better patient outcomes through excellence in diagnostic testing since 1969.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchDartford, United KingdomHQ recorded Oct 9, 202651-20023 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 · Oct 9, 2026 · View company records in RevenueBase
17Exact matchEdinburgh, United KingdomHQ recorded Oct 9, 202611-5022 contacts →

Exact match

“Genomics Quality Assessment (GenQA) has offered a leading edge quality assured service to the worldwide genomic community since 1982.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchSt Ives, United KingdomHQ recorded Oct 9, 202611-5019 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 · Oct 9, 2026 · View company records in RevenueBase
19Exact matchEdinburgh, United KingdomHQ recorded Oct 9, 202611-5014 contacts →

Exact match

“Founded in 2001 by Dr Andrew Waddell, Tower Mains Ltd offers bespoke audit, consultancy, training, and quality assurance services to the clinical, healthcare, life sciences…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchLeighton Buzzard, United KingdomHQ recorded Oct 9, 202611-5014 contacts →

Exact match

“Pharmaceutical Manufacturing consultancy firm.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchCrumlin, United KingdomHQ recorded Oct 9, 20261,001-5,00014 contacts →

Exact match

“With over 30 years’ experience Randox Quality Control is committed to offering world class products and services designed to help laboratories reduce time and costs without…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchAberdeen, United KingdomHQ recorded Oct 9, 202611-5013 contacts →

Exact match

“International QAQC Services”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchBlackpool, United KingdomHQ recorded Oct 9, 20261-1012 contacts →

Exact match

“Patient Guard: Your Leading Partner in EU, UK, and FDA Regulatory Affairs and Quality Assurance for Medical Devices.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchLiskeard, United KingdomHQ recorded Oct 9, 202611-5010 contacts →

Exact match

“Care 4 Quality offers many services, each of which is tailored completely to your care service and business needs and with a wealth of experience in managing various care…”

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

Exact match

“Founded in 2011, We support pharmaceutical, biotechnology and CRO organisations through a structured, consultancy-led approach across: GxP Technology & Systems Specialist delivery…”

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

Showing 25 of 170 clinical quality assurance companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,768 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical quality assurance companies based in the United Kingdom at a glance

As of Oct 9, 2026
29.6%Verified-email coverage
154.5Average contacts per company
1-10Median size (employees)
15.3%Largest-city concentration · London
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
117
11-50
35
51-200
11
201-500
3
1,001-5,000
1
5,001-10,000
1
10001+
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 170 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 quality assurance companies” 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 7,768 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 quality assurance companies 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 quality assurance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical quality assurance companies are there based in the United Kingdom?

RevenueBase identified 170 company matches for clinical quality assurance companies 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?

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

Which city has the most clinical quality assurance companies?

London leads with 26 company records, followed by Edinburgh (5) and Sheffield (4).

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 7,768 professional contacts with verified work emails tracked across these 170 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.