Company lists · Data refreshed September 2026

Top 25 Pharmaceutical quality assurance firms based in the United Kingdom

Name: Pharmaceutical quality assurance firms 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 206 companies tracked

RevenueBase identified 206 pharmaceutical quality assurance firms headquartered in the United Kingdom as of September 2026 and tracks 1,289 professional contacts across them, including 483 with verified work emails. London is the largest hub.

This list covers pharmaceutical quality assurance firms 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

206Companies

1,289Contacts tracked

483Verified emails

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

Ranked by team size

Top 25 of 206 pharmaceutical quality assurance firms 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 firms: 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	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
2	Qniverse	Strong evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	70 contacts →
	Strong evidence “Qniverse is your trusted Quality Assurance service partner that stands at the forefront of a paradigm shift in QA by redefining quality.” Source: RevenueBase Database · checked Sep 17, 2026
3	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
4	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
5	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
6	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
7	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
8	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
9	Pharmalane UK	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	29 contacts →
	Partial evidence “PHARMALANE UK is a prominent consultancy firm, certified under ISO 9001:2015, specializing exclusively in GxP auditing within the pharmaceutical sector.” Source: RevenueBase Database · checked Sep 17, 2026
10	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
11	Integrity	Strong evidence	Oxford, United KingdomHQ checked Sep 17, 2026	51-200	22 contacts →
	Strong evidence “Since 1998 Integrity has become a global supplier of quality, business and IT solutions for the Pharmaceutical Industry.” Source: RevenueBase Database · checked Sep 17, 2026
12	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
13	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
14	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
15	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
16	RRXCO	Indirect evidence	Basingstoke, United KingdomHQ checked Sep 17, 2026	11-50	14 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
17	Cambridge Pharma	Indirect evidence	Cambridge, United KingdomHQ checked Sep 17, 2026	51-200	13 contacts →
	Indirect evidence “Our Fast, flexible, sterile fill-finish service is specifically designed to meet the needs of clinical trials.” Source: RevenueBase Database · checked Sep 17, 2026
18	PQP Group	Partial evidence	Leighton Buzzard, United KingdomHQ checked Sep 17, 2026	11-50	13 contacts →
	Partial evidence “Pharmaceutical Manufacturing consultancy firm.” Source: RevenueBase Database · checked Sep 17, 2026
19	Patient Guard	Strong evidence	Blackpool, United KingdomHQ checked Sep 17, 2026	1-10	12 contacts →
	Strong evidence “Patient Guard: Your Leading Partner in EU, UK, and FDA Regulatory Affairs and Quality Assurance for Medical Devices.” Source: RevenueBase Database · checked Sep 17, 2026
20	JC Analytical LTD	Strong evidence	Callington, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Strong evidence “JC Analytical provides contract analytical laboratory services according to cGMP quality standards for Active Pharmaceutical Ingredients (APIs), bulk drugs, intermediates…” Source: RevenueBase Database · checked Sep 17, 2026
21	BPV	Indirect evidence	Crawley, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Indirect evidence “The path to robust, compliant validation can be difficult to navigate.” Source: RevenueBase Database · checked Sep 17, 2026
22	MSI Pharma	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “Founded in 2011, We support pharmaceutical, biotechnology and CRO organisations through a structured, consultancy-led approach across: GxP Technology & Systems Specialist delivery…” Source: RevenueBase Database · checked Sep 17, 2026
23	Inglasia Pharma Solutions	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Partial evidence “inglasia pharma solutions specialises in training and consultancy services to the pharmaceutical industry.” Source: RevenueBase Database · checked Sep 17, 2026
24	Care 4 Quality LTD	Partial evidence	Liskeard, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
25	JW Quality Consulting LTD	Strong evidence	Market Harborough, United KingdomHQ checked Sep 17, 2026	1-10	8 contacts →
	Strong evidence “JW Quality Consulting Ltd work with clinical trial sponsors and pharmaceutical manufacturers, providing high quality consulting services that cover all aspects of Quality within…” 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 firms. 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 firms.
Partial evidence: Its own public description names part of pharmaceutical quality assurance firms, 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 firms. 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 206 pharmaceutical quality assurance firms based in the United Kingdom

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

As of Sep 17, 2026

37.5%Verified-email coverage

6.3Average contacts per company

1-10Median size (employees)

17.0%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

155

11-50

51-200

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 206 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 firms, 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 firms”. 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 firms), 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 firms, 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, 483 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 firms by metro

Pharmaceutical quality assurance firms 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 firms, 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 firms are there based in the United Kingdom?

RevenueBase identified 206 pharmaceutical quality assurance firms 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?

Rephine, headquartered in Stevenage, tops this list with the largest team on record.

Which city has the most pharmaceutical quality assurance firms?

London leads with 35 headquartered companies, followed by Liverpool (5) and Nottingham (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 483 verified decision-maker contacts tracked across these 206 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.