Company lists · Data refreshed September 2026

Top 25 Digital privacy law firms based in the United Kingdom

RevenueBase identified 145 digital privacy law firms headquartered in the United Kingdom as of September 2026 and tracks 776 professional contacts across them, including 333 with verified work emails. London is the largest hub.

This list covers digital privacy law 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
145Companies
776Contacts tracked
333Verified emails
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The 25 largest digital privacy law firms based in the United Kingdom

Ranked by team size
Top 25 of 145 digital privacy law 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 digital privacy law 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 evidenceLondon, United KingdomHQ checked Sep 28, 202611-5046 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceLeeds, United KingdomHQ checked Sep 28, 202611-5039 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5028 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5028 contacts →

Partial evidence

“We believe privacy matters because people matter.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

“Taylor Hampton is an award winning Media litigation firm situated directly opposite the High Court in the Strand, London.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceLeeds, United KingdomHQ checked Sep 28, 202611-5020 contacts →

Partial 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 28, 2026
7Indirect evidenceBrighton, United KingdomHQ checked Sep 28, 202611-5018 contacts →

Indirect 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 28, 2026
8Indirect evidenceManchester, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“Claimsmiths brings together decades of litigation experience.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceHigh Wycombe, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Indirect 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 28, 2026
10Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5015 contacts →

Partial evidence

“When facing critical threats to reputation and privacy, the most prominent people in business trust us.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5015 contacts →

Partial 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 28, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-1014 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-1013 contacts →

Partial 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
15Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“We’re a new agency working across the world to shape, apply and enforce data rights.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceBedford, United KingdomHQ checked Sep 28, 20261-1012 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidencePinner, United KingdomHQ checked Sep 28, 20261-1012 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-5010 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceCambridge, United KingdomHQ checked Sep 28, 20261-1010 contacts →

Partial evidence

“Your GDPR and cyber security law experts”

Source: RevenueBase Database · checked Sep 28, 2026
20Strong evidenceLondon, United KingdomHQ checked Sep 28, 202611-5010 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceLondon, United KingdomHQ checked Sep 28, 202611-509 contacts →

Partial evidence

“Leading media, data protection, privacy and defamation solicitors based in London.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceBedford, United KingdomHQ checked Sep 28, 202611-509 contacts →

Partial 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
23Strong evidenceOxford, United KingdomHQ checked Sep 28, 20261-108 contacts →

Strong evidence

“Clayden Law is a leading, specialist information technology, data privacy and cybersecurity law firm in the Thames Valley.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“Digiphile is a challenger law firm specialising in UK and EU data protection and cybersecurity advice.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261-108 contacts →

Partial evidence

“We are an innovative data protection law firm offering legal data protection advice, outsourced DPO services and data protection training.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 145 digital privacy law firms based in the United Kingdom

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Digital privacy law firms based in the United Kingdom at a glance

As of Sep 28, 2026
42.9%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
45.5%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
107
11-50
36
51-200
1
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 145 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 digital privacy law 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 “digital privacy law 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 digital privacy law 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 digital privacy law 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, 333 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.

Digital privacy law 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 digital privacy law 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 digital privacy law firms are there based in the United Kingdom?

RevenueBase identified 145 digital privacy law 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?

Hewardmills, headquartered in London, tops this list with the largest team on record.

Which city has the most digital privacy law firms?

London leads with 66 headquartered companies, followed by Bedford (4) and Leeds (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 333 verified decision-maker contacts tracked across these 145 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.