Company lists · Data refreshed September 2026

Top 25 Pharmaceutical validation services based in the United Kingdom

Name: Pharmaceutical validation services 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 91 companies tracked

RevenueBase identified 91 pharmaceutical validation services headquartered in the United Kingdom as of September 2026 and tracks 590 professional contacts across them, including 263 with verified work emails. London is the largest hub.

This list covers pharmaceutical validation services 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

91Companies

590Contacts tracked

263Verified emails

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The 25 largest pharmaceutical validation services based in the United Kingdom

Ranked by team size

Top 25 of 91 pharmaceutical validation services 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 validation services: 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	Partial evidence	Stevenage, United KingdomHQ checked Sep 17, 2026	51-200	102 contacts →
	Partial 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	Intertek Melbourn	Partial evidence	Cambridge, United KingdomHQ checked Sep 17, 2026	201-500	99 contacts →
	Partial evidence “A leading provider of pharmaceutical analysis and formulation support with 30+ years of experience in inhaled product development and Good Manufacturing Practice (GMP) compliant…” Source: RevenueBase Database · checked Sep 17, 2026
3	Integrity	Partial evidence	Oxford, United KingdomHQ checked Sep 17, 2026	51-200	22 contacts →
	Partial 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
4	Riverark Limited	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	20 contacts →
	Indirect evidence “RiverArk is a Global Quality Consultancy providing comprehensive services in GxP domain.” Source: RevenueBase Database · checked Sep 17, 2026
5	QRC Consultants LTD	Indirect evidence	St Ives, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Indirect 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
6	MTL Projects LTD	Indirect evidence	Bishop Auckland, United KingdomHQ checked Sep 17, 2026	11-50	17 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
7	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
8	Theatre And Endoscopy Service Technicians LTD T.E.S.T. LTD	Indirect evidence	Stoke On Trent, United KingdomHQ checked Sep 17, 2026	11-50	12 contacts →
	Indirect evidence “Formed and run by engineering and clinical specialists, Theatre and Endoscopy Service Technicians (T.E.S.T.” Source: RevenueBase Database · checked Sep 17, 2026
9	Simplimedica LTD	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 17, 2026	1-10	12 contacts →
	Indirect evidence “Regulatory authorities are now more watchful of Medical Device industry than ever before resulting in warning letters, 483's.” Source: RevenueBase Database · checked Sep 17, 2026
10	JC Analytical LTD	Partial evidence	Callington, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial 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
11	BPV	Partial evidence	Crawley, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “The path to robust, compliant validation can be difficult to navigate.” Source: RevenueBase Database · checked Sep 17, 2026
12	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
13	Balanced AIR Specialists Cleanroom Commissioning LTD	Partial evidence	Newton-le-willows, United KingdomHQ checked Sep 17, 2026	11-50	8 contacts →
	Partial evidence “BAS Cleanroom Commissioning LTD are a ISO9001 compliant cleanroom / clean air device qualification company and can provide all your cleanroom / laboratory validation requirements.” Source: RevenueBase Database · checked Sep 17, 2026
14	JW Quality Consulting LTD	Partial evidence	Market Harborough, United KingdomHQ checked Sep 17, 2026	1-10	8 contacts →
	Partial 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
15	The GMP Group	Partial evidence	Waterlooville, United KingdomHQ checked Sep 17, 2026	11-50	7 contacts →
	Partial evidence “The GMP Group, with headquarters in Hampshire UK, is an International consulting, engineering, validation and management company providing a full spectrum of professional and…” Source: RevenueBase Database · checked Sep 17, 2026
16	IMP Pharmaceutical Services LTD	Indirect evidence	Blackwood, United KingdomHQ checked Sep 17, 2026	1-10	6 contacts →
	Indirect evidence “Dedicated to supporting UK and facilitating EU importation of clinical trial products.” Source: RevenueBase Database · checked Sep 17, 2026
17	Seerpharma UK	Partial evidence	Littlehampton, United KingdomHQ checked Sep 17, 2026	1-10	6 contacts →
	Partial evidence “SeerPharma (UK) offer integrated solutions in GxP compliance, including: Quality Management Systems, Quality Assurance, Risk Management, Validation and Training.” Source: RevenueBase Database · checked Sep 17, 2026
18	Zigzag Associates LTD	Indirect evidence	Abingdon, United KingdomHQ checked Sep 17, 2026	11-50	5 contacts →
	Indirect evidence “Founded in 2009, Zigzag is a privately-owned global leader in Quality Assurance.” Source: RevenueBase Database · checked Sep 17, 2026
19	The CQA Company	Indirect evidence	Knutsford, United KingdomHQ checked Sep 17, 2026	11-50	3 contacts →
	Indirect evidence “The CQA Company is a division of Arithmos, a Technology Solutions and Services provider, Quality Compliance and Consulting company in the Life Sciences industry, headquartered in…” Source: RevenueBase Database · checked Sep 17, 2026
20	The Knowlogy	Indirect evidence	Darrington, United KingdomHQ checked Sep 17, 2026	1-10	3 contacts →
	Indirect evidence “THE KNOWLOGY was born out of seeing the challenges faced by organisations involved in early-stage research and pre-clinical studies.” Source: RevenueBase Database · checked Sep 17, 2026
21	Digital Quality Associates	Strong evidence	Buckinghamshire, United KingdomHQ checked Sep 17, 2026	1-10	3 contacts →
	Strong evidence “DQA provides specialist quality assurance consultancy, auditing, and validation services to pharmaceutical, biotech, medical device, and healthcare organisations worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
22	Smiro Qualitas LTD	Partial evidence	Haverhill, United KingdomHQ checked Sep 17, 2026	1-10	3 contacts →
	Partial evidence “practical quality for today’s pharmaceutical industry” Services Offered Smiro Qualitas Ltd is small independent business providing cost-effective, practical quality solutions for…” Source: RevenueBase Database · checked Sep 17, 2026
23	Cobalt Pharma Consultancy LTD	Partial evidence	Haddiscoe, United KingdomHQ checked Sep 17, 2026	1-10	2 contacts →
	Partial evidence “With over 40 years combined experience in Quality Management and Support activities in the Pharmaceutical Manufacturing Environment and Global Supply Chains, Cobalt Pharma…” Source: RevenueBase Database · checked Sep 17, 2026
24	Ops-Qual LTD	Strong evidence	Oxford, United KingdomHQ checked Sep 17, 2026	1-10	2 contacts →
	Strong evidence “Whether you are manufacturing sterile medical devices, packaging pharmaceuticals or assembling electronic products, Ops Qual offer a comprehensive validation service for…” Source: RevenueBase Database · checked Sep 17, 2026
25	Qcat International Limited	Partial evidence	Crawley, United KingdomHQ checked Sep 17, 2026	1-10	2 contacts →
	Partial evidence “We support pharmaceutical and healthcare organisations to achieve inspection-ready compliance, operational efficiency, and sustainable quality systems - tailored to your business…” 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 validation services. 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 validation services.
Partial evidence: Its own public description names part of pharmaceutical validation services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pharmaceutical validation services. 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 91 pharmaceutical validation services based in the United Kingdom

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Pharmaceutical validation services based in the United Kingdom at a glance

As of Sep 17, 2026

44.6%Verified-email coverage

6.5Average contacts per company

1-10Median size (employees)

13.2%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 91 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 validation services, 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 validation services”. 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 validation services), 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 validation services, 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, 263 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.

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 validation services, 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 validation services are there based in the United Kingdom?

RevenueBase identified 91 pharmaceutical validation services 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 validation services?

London leads with 12 headquartered companies, followed by Oxford (3) and Callington (2).

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 263 verified decision-maker contacts tracked across these 91 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.