Company lists · Data refreshed September 2026

Top 25 Pharmaceutical quality assurance labs based in the United Kingdom

Name: Pharmaceutical quality assurance labs based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 236 companies tracked

RevenueBase identified 236 pharmaceutical quality assurance labs headquartered in the United Kingdom as of September 2026 and tracks 25,604 professional contacts across them, including 8,000 with verified work emails. London is the largest hub.

This list covers pharmaceutical quality assurance labs headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

236Companies

25,604Contacts tracked

8,000Verified emails

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The 25 largest pharmaceutical quality assurance labs based in the United Kingdom

Ranked by team size

Top 25 of 236 pharmaceutical quality assurance labs based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to pharmaceutical quality assurance labs: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Intertek	Strong evidence	London, United KingdomHQ checked Sep 17, 2026	10001+	23,155 contacts →
	Strong evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
2	Rephine	Strong evidence	Stevenage, United KingdomHQ checked Sep 17, 2026	51-200	102 contacts →
	Strong evidence “Global experts in quality assurance & GxP compliance across pharmaceutical, biotech & medical device manufacturing supply chains Who is Rephine?” Source: RevenueBase Database · checked Sep 17, 2026
3	Broughton	Strong evidence	Earby, United KingdomHQ checked Sep 17, 2026	51-200	96 contacts →
	Strong evidence “Broughton is a global Contract Research Organisation (CRO) partnering with future-focused organisations to bring safe, high-quality products to market across the pharmaceutical…” Source: RevenueBase Database · checked Sep 17, 2026
4	Butterworth Laboratories	Indirect evidence	Teddington, United KingdomHQ checked Sep 17, 2026	51-200	71 contacts →
	Indirect evidence “Excellence in Analytical Chemistry Since 1974 With 50 years of experience, Butterworth Laboratories remains a fully independent UK contract analytical service that provides…” Source: RevenueBase Database · checked Sep 17, 2026
5	Adamas Consulting	Strong evidence	Camberley, United KingdomHQ checked Sep 17, 2026	51-200	68 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
6	Wickham Micro Limited	Indirect evidence	Gosport, United KingdomHQ checked Sep 17, 2026	51-200	65 contacts →
	Indirect evidence “Wickham Micro Ltd, A Cormica Lab, is a GMP / GLP compliant contract testing laboratory based in the UK.” Source: RevenueBase Database · checked Sep 17, 2026
7	CEMAS	Indirect evidence	Wokingham, United KingdomHQ checked Sep 17, 2026	51-200	63 contacts →
	Indirect evidence “CEMAS is an independent analytical laboratory with over 35 years’ experience supporting the agrochemical, biocide and life science sectors.” Source: RevenueBase Database · checked Sep 17, 2026
8	Malvern Panalytical Pharmaceuticals	Indirect evidence	Malvern, United KingdomHQ checked Sep 17, 2026	1,001-5,000	62 contacts →
	Indirect evidence “We are Malvern Panalytical.” Source: RevenueBase Database · checked Sep 17, 2026
9	Research Quality Association RQA	Indirect evidence	Ipswich, United KingdomHQ checked Sep 17, 2026	n/a	60 contacts →
	Indirect evidence “Our discussion group is now located in our Community Hub.” Source: RevenueBase Database · checked Sep 17, 2026
10	Jensonr Limited	Indirect evidence	Barnstaple, United KingdomHQ checked Sep 17, 2026	51-200	58 contacts →
	Indirect evidence “JensonR+ is a technical consultancy with a simple mission; we aim to promote better health through simplifying the journey from innovation to the marketplace.” Source: RevenueBase Database · checked Sep 17, 2026
11	Labcorp Limited	Indirect evidence	Princes Risborough, United KingdomHQ checked Sep 17, 2026	11-50	48 contacts →
	Indirect evidence “We believe in harnessing science for human good.” Source: RevenueBase Database · checked Sep 17, 2026
12	Zigzag QA	Partial evidence	Abingdon, United KingdomHQ checked Sep 17, 2026	11-50	47 contacts →
	Partial evidence “ZigZag QA is your trusted worldwide quality leader, offering true global reach and unrivaled expertise to reduce risk and efforts.” Source: RevenueBase Database · checked Sep 17, 2026
13	SPGL	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	45 contacts →
	Indirect evidence “ABOUT US Who Are We?” Source: RevenueBase Database · checked Sep 17, 2026
14	EPP Edinburgh Pharmaceutical Processes LTD	Indirect evidence	Penicuik, United KingdomHQ checked Sep 17, 2026	11-50	44 contacts →
	Indirect evidence “Your GLP Contract Research Organisation of Choice EPP specialises in analytical and research & development to help companies achieve product registration around the world with…” Source: RevenueBase Database · checked Sep 17, 2026
15	CS Lifesciences	Indirect evidence	Glasgow, United KingdomHQ checked Sep 17, 2026	11-50	35 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
16	Honeyman Group Limited	Partial evidence	Barnard Castle, United KingdomHQ checked Sep 17, 2026	51-200	31 contacts →
	Partial evidence “Operating extensively within the global pharmaceutical, medical device and related healthcare industries, the Honeyman Group has a well-earned and highly regarded reputation for…” Source: RevenueBase Database · checked Sep 17, 2026
17	Inter Scientific	Indirect evidence	Liverpool, United KingdomHQ checked Sep 17, 2026	11-50	26 contacts →
	Indirect evidence “Our goal is to make regulation and compliance testing simple.” Source: RevenueBase Database · checked Sep 17, 2026
18	Apotech	Strong evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	24 contacts →
	Strong evidence “At Apotech, we are trusted Life Sciences experts specialising in Quality Assurance and Regulatory Affairs.” Source: RevenueBase Database · checked Sep 17, 2026
19	Riverark Limited	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	20 contacts →
	Partial evidence “RiverArk is a Global Quality Consultancy providing comprehensive services in GxP domain.” Source: RevenueBase Database · checked Sep 17, 2026
20	QRC Consultants LTD	Partial evidence	St Ives, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
21	Moredun Scientific	Partial evidence	Penicuik, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Partial evidence “Moredun Scientific is a GLP/GMP accredited contract research organization providing research and testing services to the animal health, pharmaceutical and biotechnology industries…” Source: RevenueBase Database · checked Sep 17, 2026
22	Sciom Limited	Strong evidence	Welwyn Garden City, United KingdomHQ checked Sep 17, 2026	11-50	15 contacts →
	Strong evidence “Sciom UK is a specialist pharmaceutical services partner providing integrated pharmacovigilance, regulatory, analytical, and quality solutions to life sciences organisations…” Source: RevenueBase Database · checked Sep 17, 2026
23	Valcomm	Indirect evidence	Wickford, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Indirect evidence “Specialising in life-sciences and process industries, Valcomm safeguards product integrity globally.” Source: RevenueBase Database · checked Sep 17, 2026
24	Tower Mains	Strong evidence	Edinburgh, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
25	Global Compliance & Regulatory Services LTD Gcrs Global	Indirect evidence	Cardiff, United KingdomHQ checked Sep 17, 2026	1-10	14 contacts →
	Indirect evidence “GCRS Global: Your Trusted Partner for Global Product Compliance GCRS Global is a leading B2B provider of compliance and regulatory services for a wide range of industries…” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pharmaceutical quality assurance labs. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pharmaceutical quality assurance labs.
Partial evidence: Its own public description names part of pharmaceutical quality assurance labs, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pharmaceutical quality assurance labs. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 236 pharmaceutical quality assurance labs based in the United Kingdom

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Pharmaceutical quality assurance labs based in the United Kingdom at a glance

As of Sep 17, 2026

31.2%Verified-email coverage

108.5Average contacts per company

1-10Median size (employees)

14.8%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

157

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 236 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pharmaceutical quality assurance labs, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “pharmaceutical quality assurance labs”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pharmaceutical quality assurance labs), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pharmaceutical quality assurance labs, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 8,000 across the full list. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Pharmaceutical quality assurance labs by metro

Pharmaceutical quality assurance labs in London35

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pharmaceutical quality assurance labs, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pharmaceutical quality assurance labs are there based in the United Kingdom?

RevenueBase identified 236 pharmaceutical quality assurance labs headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Intertek, headquartered in London, tops this list with the largest team on record.

Which city has the most pharmaceutical quality assurance labs?

London leads with 35 headquartered companies, followed by Nottingham (6) and Cambridge (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,000 verified decision-maker contacts tracked across these 236 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.