Company lists · Data refreshed September 2026

Top 24 Validation service providers based in the United Kingdom

RevenueBase identified 57 validation service providers headquartered in the United Kingdom as of September 2026 and tracks 341 professional contacts across them, including 84 with verified work emails. London is the largest hub.

This list covers validation service providers 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
57Companies
341Contacts tracked
84Verified emails
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The 24 largest validation service providers based in the United Kingdom

Ranked by team size
Top 24 of 57 validation service providers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to validation service providers: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLiverpool, United KingdomHQ checked Sep 21, 202611-5026 contacts →

Indirect evidence

“Our goal is to make regulation and compliance testing simple.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceSt Ives, United KingdomHQ checked Sep 21, 202611-5018 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 21, 2026
3Indirect evidenceWickford, United KingdomHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“Specialising in life-sciences and process industries, Valcomm safeguards product integrity globally.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceStoke On Trent, United KingdomHQ checked Sep 21, 202611-5012 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 21, 2026
5Indirect evidenceEdinburgh, United KingdomHQ checked Sep 21, 20261-1012 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 21, 2026
6Strong evidenceCrawley, United KingdomHQ checked Sep 21, 202611-5010 contacts →

Strong evidence

“The path to robust, compliant validation can be difficult to navigate.”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidenceWaterlooville, United KingdomHQ checked Sep 21, 202611-507 contacts →

Strong 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 21, 2026
8Strong evidenceLittlehampton, United KingdomHQ checked Sep 21, 20261-106 contacts →

Strong 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 21, 2026
9Indirect evidenceAbingdon, United KingdomHQ checked Sep 21, 202611-505 contacts →

Indirect evidence

“Founded in 2009, Zigzag is a privately-owned global leader in Quality Assurance.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceDarrington, United KingdomHQ checked Sep 21, 20261-103 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 21, 2026
11Strong evidenceBuckinghamshire, United KingdomHQ checked Sep 21, 20261-103 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 21, 2026
12Strong evidenceOxford, United KingdomHQ checked Sep 21, 20261-102 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 21, 2026
13Indirect evidenceNewry, United KingdomHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Mourne Training Services Limited (MTS) is an independent consultancy specialising in chemical analysis of pharmaceuticals and biopharmaceuticals.”

Source: RevenueBase Database · checked Sep 21, 2026
14Strong evidencePelsall, United KingdomHQ checked Sep 21, 20261-102 contacts →

Strong evidence

“At UCV Services, we specialise in independent validation and commissioning solutions for the healthcare and pharmaceutical industries.”

Source: RevenueBase Database · checked Sep 21, 2026
15Strong evidenceRichmond, United KingdomHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“Thermal Compliance Ltd helps pharmaceutical, healthcare, and biotech teams navigate complex validation and temperature control challenges with confidence and precision.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceChepstow, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Clarity Compliance Solutions is a leading international consultancy providing a wide range of compliance services for the regulated industries including Pharmaceutical, Biotech…”

Source: RevenueBase Database · checked Sep 21, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“ICCON Global Consultancy Ltd is an international company that offers validation, qualification, engineering, and training consulting services to Quality Control, Quality…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceRawtenstall, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“LDP Analytical Services Ltd provides expert servicing of laboratory equipment, specialising in HPLC, GC, Dissolution, and physical testing systems.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceEdinburgh, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Mission Statement iOQ Services Ltd exists to provide organisations with high quality, cost effective, but laser-focused medical, laboratory and dental gas quality controller…”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceMacclesfield, United KingdomHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“Compliance & Validation Services Limited is a company that provides validation and compliance services to the pharmaceutical and related industries.”

Source: RevenueBase Database · checked Sep 21, 2026
21Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“Quality Assurance, Risk Management & Validation Consultancy Services for the Life Science Industry”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceMonifieth, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Freelance Pharmaceutical Consulting services.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Cqura specialises in providing comprehensive regulatory, quality, and clinical consulting services for medical technology manufacturers.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Our services are tailored to meet the specific needs of the pharma, biotech industries & academia.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 24 of 57 validation service providers based in the United Kingdom

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Validation service providers based in the United Kingdom at a glance

As of Sep 21, 2026
24.6%Verified-email coverage
6.0Average contacts per company
1-10Median size (employees)
8.8%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
14
51-200
1

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 57 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 validation service providers, 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 “validation service providers”. 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 validation service providers), 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 validation service providers, 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, 84 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.

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 validation service providers, 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 validation service providers are there based in the United Kingdom?

RevenueBase identified 57 validation service providers 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?

Inter Scientific, headquartered in Liverpool, tops this list with the largest team on record.

Which city has the most validation service providers?

London leads with 5 headquartered companies, followed by Edinburgh (2) and Liverpool (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 84 verified decision-maker contacts tracked across these 57 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.

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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.