Company lists · Data refreshed September 2026

Top 25 Gcp compliance consulting firms based in the United Kingdom

RevenueBase identified 150 gcp compliance consulting firms headquartered in the United Kingdom as of September 2026 and tracks 1,482 professional contacts across them, including 246 with verified work emails. London is the largest hub.

This list covers gcp 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 28, 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 28, 2026 86% judged on-target in blind review
150Companies
1,482Contacts tracked
246Verified emails
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The 25 largest gcp compliance consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 150 gcp compliance consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to gcp 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceManchester, United KingdomHQ checked Sep 28, 2026201-500844 contacts →

Indirect evidence

“We are the largest Google Cloud-only digital consultancy in Europe, and our mission is to change the way technology works for business.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceStevenage, United KingdomHQ checked Sep 28, 202651-200102 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 28, 2026
3Strong evidenceCamberley, United KingdomHQ checked Sep 28, 202651-20068 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 28, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5029 contacts →

Indirect evidence

“With our expert consultants, we unlock the power of your data and transform your Marketing capabilities, building sustainable value in your organisation in a privacy respectful…”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“We at CF assist enterprises manage IT risks better.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

“Technology is changing faster than ever.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceReading, United KingdomHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“Seasoned team of experts in technology and project delivery.”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceFulham, United KingdomHQ checked Sep 28, 202611-5014 contacts →

Partial evidence

“RiskBase is the fire and building safety platform built to replace static spreadsheets and tick-box compliance with the live, connected data you need to do the job properly.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceDerry/londonderry, United KingdomHQ checked Sep 28, 20261-1014 contacts →

Partial evidence

“Safe Harbour Security specialise in penetration testing, ISO consultancy, and governance, risk, and compliance (GRC) services.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-20013 contacts →

Indirect evidence

“At Salient, we pride ourselves on the diverse skill sets and extraordinary experience that enable our teams to bring invaluable insights and exceptional adaptability to each and…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261-1013 contacts →

Indirect evidence

“At Kazient Privacy Experts, our Privacy, Data Protection and GDPR consultants offer cutting edge, practical and effective solutions for all your privacy and data protection…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceBedford, United KingdomHQ checked Sep 28, 20261-1012 contacts →

Indirect evidence

“At Data Privacy Simplified, we understand that Data Privacy is not easy.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceRichmond, United KingdomHQ checked Sep 28, 202611-509 contacts →

Partial evidence

“Evolve North is a specialist consultancy with subject matter expertise founded in Governance, Risk, and Compliance as well as IT Security and Assurance.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceBedford, United KingdomHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“Privacy Helper is a leading UK privacy consultancy, providing zero-fuss GDPR guidance to organisations in the UK and globally.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceGrays, United KingdomHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Tech Equity offers cloud consulting, design and implementation services”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceEarley, United KingdomHQ checked Sep 28, 202611-505 contacts →

Indirect evidence

“TrueSwift delivers expert professional services projects in the fields of information management, GDPR, eDiscovery and data migration.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceUk, United KingdomHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“EPiC is a leading provider of expert GXP auditing, training, and consultancy services to the global pharmaceutical industry, including pharmaceutical manufacturing services in…”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceBuffery & Co Limited, United KingdomHQ checked Sep 28, 202611-505 contacts →

Partial evidence

“Compliance with UK GDPR is not only a matter of fulfilling a legal requirement, it is also a key route to leveraging data and gaining a competitive edge in your market.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“Our team have helped 100's of organisations get the best out of their cloud solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceWokingham, United KingdomHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“Formentor | Helping Growing Businesses Navigate Governance, Risk & Compliance With Confidence At Formentor, we help growing businesses meet today’s governance, risk & compliance…”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidencePreston, United KingdomHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“Scion Compliance supports organisations across the financial and professional-services landscape with clear, practical and dependable compliance expertise.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceDownside, United KingdomHQ checked Sep 28, 20261-104 contacts →

Partial evidence

“We are GDPR Compliance Consultants and we help you get GDPR right: holding the right personal data, in the right way, for the right amount of time and for the right reasons.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“Continuous business advantage is not achieved by chance.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceCity Of London, United KingdomHQ checked Sep 28, 202611-503 contacts →

Partial evidence

“Newgate Compliance is a compliance consultancy based in London offering a modern solution to implement your compliance function using an innovative compliance software solution…”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceSurrey, United KingdomHQ checked Sep 28, 20261-103 contacts →

Partial evidence

“At Apex Business Compliance Ltd, we make compliance as easy as ABC.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 150 gcp compliance consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 246 reachable decision-makers.

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Gcp compliance consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026
16.6%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
32.7%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
118
11-50
25
51-200
5
201-500
2

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 150 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 gcp 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 “gcp 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 gcp 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 gcp 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, 246 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 28, 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.

Gcp compliance consulting firms by metro

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 gcp 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 gcp compliance consulting firms are there based in the United Kingdom?

RevenueBase identified 150 gcp 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?

CTS, headquartered in Manchester Manchester, tops this list with the largest team on record.

Which city has the most gcp compliance consulting firms?

London leads with 49 headquartered companies, followed by Manchester (4) and Reading (4).

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 246 verified decision-maker contacts tracked across these 150 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 28, 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.