Company lists · Data refreshed September 2026

Top 25 Data privacy audit services based in the United Kingdom

RevenueBase identified 129 company matches for data privacy audit services associated with the United Kingdom as of September 2026 and tracks 596 professional contacts across them, including 239 with verified work emails. London is the largest hub.

This list covers company matches for data privacy audit services 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 September 28, 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 Sep 28, 2026 How this list was built
129Companies
596Contacts tracked
239Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest data privacy audit services based in the United Kingdom

Ranked by team size
Top 25 of 129 company matches for data privacy audit services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 202611-5046 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchLeeds, United KingdomHQ recorded Sep 28, 202611-5039 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5028 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLeeds, United KingdomHQ recorded Sep 28, 202611-5020 contacts →

Exact match

“One Compliance are data privacy & cyber security specialists that focus on improving our clients security posture so that they can prioritise and mitigate security risks…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchExeter, United KingdomHQ recorded Sep 28, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchBrighton, United KingdomHQ recorded Sep 28, 202611-5018 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 · Sep 28, 2026 · View company records in RevenueBase
7Exact matchHigh Wycombe, United KingdomHQ recorded Sep 28, 202611-5017 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 · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Lex Dinamica is a consulting firm that provides Privacy, AI and Risk solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSheffield, United KingdomHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“Bruce & Butler Limited are your partners in Data Protection & Cyber Security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-1015 contacts →

Exact match

“We help organisations keep their data safe, use technology responsibly, and stay on the right side of the law, without the jargon.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5015 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 · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-1013 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 · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBedford, United KingdomHQ recorded Sep 28, 20261-1012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchCambridge, United KingdomHQ recorded Sep 28, 20261-1010 contacts →

Exact match

“Your GDPR and cyber security law experts”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchBedford, United KingdomHQ recorded Sep 28, 202611-509 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 · Sep 28, 2026 · View company records in RevenueBase
18Exact matchHarrogate, United KingdomHQ recorded Sep 28, 20261-107 contacts →

Exact match

“Leaders in data protection compliance for clinical practices Stricter legislation governing the use of clinical data has created a new challenge for healthcare organisations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchPant, United KingdomHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Data Privacy Services is a dedicated consultancy covering a range of professional services relating to the European Union’s General Data Protection Regulation (GDPR) and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Business Overview Established in 2009, IG-Smart Ltd is a pioneering force in the realm of data privacy, security, and digital technology consultancy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchDownside, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchBrighton, United KingdomHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
23Exact matchHove, United KingdomHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLondon London, United KingdomHQ recorded Sep 28, 202611-504 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 · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBirmingham, United KingdomHQ recorded Sep 28, 202611-503 contacts →

Exact match

“Outsourced Global Data Protection Officer (DPO), EU Representative and AI Governance partner for organisations operating across GDPR, PDPA, Swiss FADP and the EU AI Act.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 129 data privacy audit services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 239 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

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

As of Sep 28, 2026
40.1%Verified-email coverage
4.6Average contacts per company
1-10Median size (employees)
37.2%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
97
11-50
32

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 129 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 services” 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 239 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 September 28, 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 services 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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 129 company matches for data privacy audit services associated with the United Kingdom as of September 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 services?

London leads with 48 company records, followed by Brighton (4) and Bedford (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 239 professional contacts with verified work emails tracked across these 129 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 129 data privacy audit services based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.