Company lists · Data refreshed September 2026
Top 25 Quality assurance companies pharma based in the United Kingdom
RevenueBase identified 235 quality assurance companies pharma headquartered in the United Kingdom as of September 2026 and tracks 1,503 professional contacts across them, including 566 with verified work emails. London is the largest hub.
This list covers quality assurance companies pharma 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 21, 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.
The 25 largest quality assurance companies pharma based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Indirect evidence “Our discussion group is now located in our Community Hub.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 45 contacts → | ||||
Indirect evidence “ABOUT US Who Are We?” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 40 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 24 contacts → | ||||
Strong evidence “At Apotech, we are trusted Life Sciences experts specialising in Quality Assurance and Regulatory Affairs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 20 contacts → | ||||
Partial evidence “RiverArk is a Global Quality Consultancy providing comprehensive services in GxP domain.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “International QAQC Services” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Partial evidence “Pharmaceutical Manufacturing consultancy firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “The path to robust, compliant validation can be difficult to navigate.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “inglasia pharma solutions specialises in training and consultancy services to the pharmaceutical industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: quality assurance companies pharma. 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 quality assurance companies pharma.
- Partial evidence
- Its own public description names part of quality assurance companies pharma, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality assurance companies pharma. 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 235 quality assurance companies pharma based in the United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 566 reachable decision-makers.
Free signup · no credit card
Quality assurance companies pharma based in the United Kingdom at a glance
As of Sep 21, 2026Companies by employee count
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 235 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 quality assurance companies pharma, 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 “quality assurance companies pharma”. 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 quality assurance companies pharma), 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 quality assurance companies pharma, 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, 566 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 21, 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.
Quality assurance companies pharma by metro
- Quality assurance companies pharma in London40
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 quality assurance companies pharma, 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 quality assurance companies pharma are there based in the United Kingdom?
RevenueBase identified 235 quality assurance companies pharma 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 quality assurance companies pharma?
London leads with 40 headquartered companies, followed by Oxford (6) and Glasgow (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 566 verified decision-maker contacts tracked across these 235 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 235 quality assurance companies pharma based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Quality assurance companies pharma by geography
- Quality assurance companies pharma based in Ahmedabad, India
- Quality assurance companies pharma based in Hyderabad, India
- Quality assurance companies pharma based in Mumbai, India
- Quality assurance companies pharma based in Argentina
- Quality assurance companies pharma based in Australia
- Quality assurance companies pharma based in Belgium
- Quality assurance companies pharma based in Brazil
- Quality assurance companies pharma based in Canada
- Quality assurance companies pharma based in Denmark
- Quality assurance companies pharma based in France
- Quality assurance companies pharma based in Germany
- Quality assurance companies pharma based in India
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Quality assurance companies pharma based in Ahmedabad, India
- Quality assurance companies pharma based in Hyderabad, India
- Quality assurance companies pharma based in Mumbai, India
- Quality assurance companies pharma based in Argentina
- Quality assurance companies pharma based in Australia
- Quality assurance companies pharma based in Belgium