Company lists · Data refreshed September 2026

Top 25 Data privacy compliance consultants based in the United Kingdom

RevenueBase identified 310 data privacy compliance consultants headquartered in the United Kingdom as of September 2026 and tracks 1,339 professional contacts across them, including 520 with verified work emails. London is the largest hub.

This list covers data privacy compliance consultants 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 19, 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 19, 2026 86% judged on-target in blind review
310Companies
1,339Contacts tracked
520Verified emails
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The 25 largest data privacy compliance consultants based in the United Kingdom

Ranked by team size
Top 25 of 310 data privacy compliance consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to data privacy compliance consultants: 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
1Strong evidenceLiverpool Street, United KingdomHQ checked Sep 19, 202651-20084 contacts →

Strong evidence

“The DPO Centre is the leading provider of fractional Data Protection Officer (DPO) resources, delivering expert data protection, AI Governance and privacy services from our…”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceSouthampton, United KingdomHQ checked Sep 19, 202651-20060 contacts →

Indirect evidence

“Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5046 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceLeeds, United KingdomHQ checked Sep 19, 202611-5039 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
5Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5036 contacts →

Strong evidence

“Seers is an AI-driven consent management platform that empowers businesses to meet global data privacy requirements with confidence and ease.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceChelmsford, United KingdomHQ checked Sep 19, 202611-5033 contacts →

Partial evidence

“We are passionate about data… and we have been since 1994.”

Source: RevenueBase Database · checked Sep 19, 2026
7Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5029 contacts →

Strong 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 19, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5028 contacts →

Partial evidence

“We believe privacy matters because people matter.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5028 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceMilton Keynes, United KingdomHQ checked Sep 19, 202611-5025 contacts →

Partial evidence

“CookieYes is a leading consent management platform (CMP) that helps businesses comply with privacy regulations such as GDPR, CCPA, LGPD, POPIA, and more.”

Source: RevenueBase Database · checked Sep 19, 2026
11Strong evidenceLeeds, United KingdomHQ checked Sep 19, 202611-5020 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceExeter, United KingdomHQ checked Sep 19, 202611-5019 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
13Strong evidenceBrighton, United KingdomHQ checked Sep 19, 202611-5018 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceHigh Wycombe, United KingdomHQ checked Sep 19, 202611-5017 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceSalford, United KingdomHQ checked Sep 19, 202611-5017 contacts →

Partial evidence

“Teal Compliance provides support to Law Firms with Compliance.”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceLondon, United KingdomHQ checked Sep 19, 202611-5017 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5015 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20261-1014 contacts →

Indirect evidence

“We support our clients to comply with the law.”

Source: RevenueBase Database · checked Sep 19, 2026
19Strong evidenceLondon, United KingdomHQ checked Sep 19, 20261-1013 contacts →

Strong 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 19, 2026
20Partial evidencePinner, United KingdomHQ checked Sep 19, 20261-1012 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
21Strong evidenceBedford, United KingdomHQ checked Sep 19, 20261-1012 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceLondon, United KingdomHQ checked Sep 19, 202651-20011 contacts →

Strong evidence

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…”

Source: RevenueBase Database · checked Sep 19, 2026
23Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5010 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceCambridge, United KingdomHQ checked Sep 19, 20261-1010 contacts →

Indirect evidence

“Your GDPR and cyber security law experts”

Source: RevenueBase Database · checked Sep 19, 2026
25Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5010 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 310 data privacy compliance consultants based in the United Kingdom

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Data privacy compliance consultants based in the United Kingdom at a glance

As of Sep 19, 2026
38.8%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
36.5%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
246
11-50
58
51-200
5
501-1,000
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 310 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 data privacy compliance consultants, 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 “data privacy compliance consultants”. 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 data privacy compliance consultants), 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 data privacy compliance consultants, 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, 520 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 19, 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.

Data privacy compliance consultants by metro

  • Data privacy compliance consultants in London113

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 data privacy compliance consultants, 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 data privacy compliance consultants are there based in the United Kingdom?

RevenueBase identified 310 data privacy compliance consultants 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 DPO Centre LTD, headquartered in London, tops this list with the largest team on record.

Which city has the most data privacy compliance consultants?

London leads with 113 headquartered companies, followed by Bristol (5) and Manchester (5).

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 520 verified decision-maker contacts tracked across these 310 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 19, 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.