Company lists · Data refreshed September 2026

Top 25 Quality and compliance consulting firms based in the United Kingdom

Name: Quality and compliance consulting 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 21, 2026 666 companies tracked

RevenueBase identified 666 quality and compliance consulting firms headquartered in the United Kingdom as of September 2026 and tracks 3,460 professional contacts across them, including 1,079 with verified work emails. London is the largest hub.

This list covers quality and compliance consulting 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 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

666Companies

3,460Contacts tracked

1,079Verified emails

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The 25 largest quality and compliance consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 666 quality and compliance consulting firms 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 quality and compliance consulting 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	The Citation Group	Strong evidence	Wilmslow, United KingdomHQ checked Sep 21, 2026	1,001-5,000	291 contacts →
	Strong evidence “The Citation Group offer unrivalled compliance and quality services to over businesses across the UK, Australia, New Zealand, and Canada.” Source: RevenueBase Database · checked Sep 21, 2026
2	Hqts Group	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	250 contacts →
	Strong evidence “Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.” Source: RevenueBase Database · checked Sep 21, 2026
3	G&p Quality Management Group	Partial evidence	Birmingham, United KingdomHQ checked Sep 21, 2026	1,001-5,000	196 contacts →
	Partial evidence “Established in 1994, G&P is a world-leading provider of quality management services to the manufacturing industry, primarily in the automotive, aerospace and off-highway sectors.” Source: RevenueBase Database · checked Sep 21, 2026
4	ROQ	Partial evidence	Chorley, United KingdomHQ checked Sep 21, 2026	51-200	109 contacts →
	Partial evidence “Roq is changing the way the world views Quality.” Source: RevenueBase Database · checked Sep 21, 2026
5	Rephine	Strong evidence	Stevenage, United KingdomHQ checked Sep 21, 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 21, 2026
6	Qniverse	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	70 contacts →
	Partial 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, 2026
7	Adamas Consulting	Strong evidence	Camberley, United KingdomHQ checked Sep 21, 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 21, 2026
8	Jensonr Limited	Indirect evidence	Barnstaple, United KingdomHQ checked Sep 21, 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 21, 2026
9	FQM LTD	Strong evidence	Glasgow, United KingdomHQ checked Sep 21, 2026	11-50	52 contacts →
	Strong evidence “FQM is a #QHSE (#Quality,#Health,#Safety,#Security and #Environmental compliance software, consultancy, coaching & training organisation, focused on delivering cost effective…” Source: RevenueBase Database · checked Sep 21, 2026
10	Zigzag QA	Partial evidence	Abingdon, United KingdomHQ checked Sep 21, 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 21, 2026
11	SPGL	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	45 contacts →
	Indirect evidence “ABOUT US Who Are We?” Source: RevenueBase Database · checked Sep 21, 2026
12	Auto-Scan	Partial evidence	Telford, United KingdomHQ checked Sep 21, 2026	501-1,000	44 contacts →
	Partial evidence “AUTOSCAN (UK) LIMITED Provides Quality Inspection, Containment & Quality Engineering Services to the Automotive, Off Highway, and all types of manufacturing industries and their…” Source: RevenueBase Database · checked Sep 21, 2026
13	Quensh	Partial evidence	Ellon, United KingdomHQ checked Sep 21, 2026	11-50	42 contacts →
	Partial evidence “Quensh are specialists in Health & Safety (HSEQ) and HR, working with businesses across the UK, in a range of sectors, to help them achieve and retain legislative compliance…” Source: RevenueBase Database · checked Sep 21, 2026
14	Seven Life Sciences	Indirect evidence	Colchester, United KingdomHQ checked Sep 21, 2026	51-200	39 contacts →
	Indirect evidence “Seven Life Sciences has been set up with a very specific ambition in mind, to become the company Pharmaceutical, Medical Devices, Biotech and Clinical companies come to and trust…” Source: RevenueBase Database · checked Sep 21, 2026
15	CS Lifesciences	Indirect evidence	Glasgow, United KingdomHQ checked Sep 21, 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 21, 2026
16	Pharmalane UK	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	29 contacts →
	Indirect 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, 2026
17	Northern Safety LTD	Partial evidence	Thornaby, United KingdomHQ checked Sep 21, 2026	11-50	29 contacts →
	Partial evidence “Established since 1998, Northern Safety has become a byword in the North of England for high quality Health & Safety, Environmental & Quality consultancy services, training, and…” Source: RevenueBase Database · checked Sep 21, 2026
18	Apotech	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	24 contacts →
	Partial evidence “At Apotech, we are trusted Life Sciences experts specialising in Quality Assurance and Regulatory Affairs.” Source: RevenueBase Database · checked Sep 21, 2026
19	Wade Construction Management Consultants	Partial evidence	Darlington, United KingdomHQ checked Sep 21, 2026	11-50	23 contacts →
	Partial evidence “Wade CMC works exclusively with pharmaceutical and life sciences clients to deliver compliant, operationally resilient GMP facilities, without unplanned disruption and without…” Source: RevenueBase Database · checked Sep 21, 2026
20	Regulatory Finance Solutions	Partial evidence	Swindon, United KingdomHQ checked Sep 21, 2026	11-50	23 contacts →
	Partial evidence “Regulatory Finance Solutions (RFS) is a leading edge compliance consultancy within the financial risk and regulatory sectors.” Source: RevenueBase Database · checked Sep 21, 2026
21	Neuven Consult	Partial evidence	Manchester, United KingdomHQ checked Sep 21, 2026	11-50	22 contacts →
	Partial evidence “Neuven Consult is the new name for the Neuven Audit division within Neuven Solutions, providing Compliance Expertise and Audits, Bid Management & Tender Support and Framework and…” Source: RevenueBase Database · checked Sep 21, 2026
22	Regtrac	Strong evidence	Woking, United KingdomHQ checked Sep 21, 2026	11-50	21 contacts →
	Strong evidence “RegTrac is a trusted healthcare regulatory consulting partner, helping companies navigate the complexities of Global Regulatory Affairs, Quality Management Systems (QMS), and…” Source: RevenueBase Database · checked Sep 21, 2026
23	Riverark Limited	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	20 contacts →
	Partial evidence “RiverArk is a Global Quality Consultancy providing comprehensive services in GxP domain.” Source: RevenueBase Database · checked Sep 21, 2026
24	Consultants Factory	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	20 contacts →
	Indirect evidence “We at CF assist enterprises manage IT risks better.” Source: RevenueBase Database · checked Sep 21, 2026
25	Compliance And Training Solutions LTD	Partial evidence	Colchester, United KingdomHQ checked Sep 21, 2026	11-50	19 contacts →
	Partial evidence “We are a team of FCA and IFA compliance consultants offering a wide range of completely bespoke services to ensure you remain compliant at all times.” Source: RevenueBase Database · checked Sep 21, 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: quality and compliance consulting 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 quality and compliance consulting firms.
Partial evidence: Its own public description names part of quality and compliance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name quality and compliance consulting 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 666 quality and compliance consulting firms based in the United Kingdom

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Quality and compliance consulting firms based in the United Kingdom at a glance

As of Sep 21, 2026

31.2%Verified-email coverage

5.2Average contacts per company

1-10Median size (employees)

17.4%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

554

11-50

51-200

201-500

501-1,000

1,001-5,000

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 666 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 and compliance consulting 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 “quality and compliance consulting 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 quality and compliance consulting 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 quality and compliance consulting 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, 1,079 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 and compliance consulting firms by metro

Quality and compliance consulting firms in London116

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 and compliance consulting 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 quality and compliance consulting firms are there based in the United Kingdom?

RevenueBase identified 666 quality and compliance consulting 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?

The Citation Group, headquartered in Wilmslow, tops this list with the largest team on record.

Which city has the most quality and compliance consulting firms?

London leads with 116 headquartered companies, followed by Manchester (17) and Glasgow (12).

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 1,079 verified decision-maker contacts tracked across these 666 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.