Company lists · Data refreshed November 2026

Top 25 Data privacy audit companies based in the United Kingdom

RevenueBase identified 91 company matches for data privacy audit companies associated with the United Kingdom as of November 2026 and tracks 523 professional contacts across them, including 187 with verified work emails. London is the largest hub.

This list covers company matches for data privacy audit companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
91Companies
523Contacts tracked
187Verified emails
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The 25 largest data privacy audit companies based in the United Kingdom

Ranked by team size
Top 25 of 91 company matches for data privacy audit companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“HewardMills provides regulatory advice and other specialist Data Protection Officer (DPO) services to multinational organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLeeds, United KingdomHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Data Protection People are specialists in Data Protection and Information Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Privacy Culture helps organisations build trust through expert privacy services supported by powerful technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchExeter, United KingdomHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Is your organisation confident in its data protection compliance?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHigh Wycombe, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“We are the award-winning data protection consultancy and auditing service provider that helps organisations see data protection as an enabler for innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“We are a specialist data protection and data ethics consultancy firm with an expert team of lawyers, consultants and advisors who provide a wide range of data privacy, data…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBrighton, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“GDPRLocal is a dynamic, high-tech, data protection company, providing GDPR compliant services to a wide range of companies across the EU and globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPinner, United KingdomHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Privacy Laws & Business is a UK-based, independent, international privacy laws information service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Data Privacy Manager is a comprehensive privacy solution for personal data management, set out to protect digital privacy and help Organizations comply with data protection laws…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Trust Keith is the global Privacy Management solution for data-centric SMBs with big ambitions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Data Protection and Privacy Law firm, Training and Consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCambridge, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Your GDPR and cyber security law experts”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBedford, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBedford, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Aphaia are a team of ICT regulation and data privacy professionals, experienced working with busy start-up founders as well as legal and operations teams of mature multinational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNewquay, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Companies don’t struggle with compliance because it’s impossible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Proteus NextGen Data Privacy software provides DPOs, Privacy teams and Legal teams with the data privacy management tools required to manage GDPR compliance, CCPA compliance or…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrighton, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Kafico Ltd are data compliance experts who support customers across the UK and internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHove, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Our Data Protection as a Service offers you the simplest way to protect your staff's and your customer's private data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHull, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Our name comes from the principle of Roman Law 'ex fidabona'.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon London, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“PrivacyCloud's team combines a cross-border legal background with Privacy Engineering capabilities and a track record in Marketing Technology, eCommerce, Analytics and AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOxford, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Baycloud Systems develops scalable cloud based privacy and security enabling systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTadworth, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Practical Privacy Ltd is a data protection consultancy offering both legal and practical advice on data protection for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We advise businesses, brands and individuals how to manage their personal data asset opportunities and risks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 91 data privacy audit companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 187 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data privacy audit companies based in the United Kingdom at a glance

As of Nov 6, 2026
35.8%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
39.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
24
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 91 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “data privacy audit companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 187 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Data privacy audit companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data privacy audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data privacy audit companies are there based in the United Kingdom?

RevenueBase identified 91 company matches for data privacy audit companies associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Hewardmills tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data privacy audit companies?

London leads with 36 company records, followed by Bedford (3) and Brighton (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 187 professional contacts with verified work emails tracked across these 91 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.