Company lists · Data refreshed September 2026

Top 25 Privacy law firms based in London, United Kingdom

RevenueBase identified 67 company matches for privacy law firms associated with London, United Kingdom as of September 2026 and tracks 455 professional contacts across them, including 187 with verified work emails and 19 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for privacy law firms associated with London, 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 13, 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 13, 2026 How this list was built
67Companies
455Contacts tracked
187Verified emails
19Mobile numbers
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The 25 largest privacy law firms based in London, United Kingdom

Ranked by team size
Top 25 of 67 company matches for privacy law firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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 13, 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 13, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-5028 contacts →

Exact match

“We believe privacy matters because people matter.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-5021 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-5015 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-1014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-5012 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-5010 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-508 contacts →

Exact match

“MDR ONE, part of the Mishcon de Reya Group, provides centralised privacy and employment law support to multinational businesses.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-508 contacts →

Exact match

“Cohen Davis Solicitors is a boutique law firm that specialises in internet law matters.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-106 contacts →

Exact match

“Kemp IT Law is a specialist Tech law firm.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-106 contacts →

Exact match

“At Shoredons & Co Legal, we offer a range of corporate, commercial, data protection, employment, and commercial property law services.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 13, 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 · Sep 13, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 13, 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 13, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-104 contacts →

Exact match

“We provide small and medium sized businesses with realistic, actionable solutions to help them meet their information security and privacy related obligations, and ultimately to…”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 13, 202611-504 contacts →

Exact match

“Cynance is a business-driven cybersecurity and data protection consulting and Cyber tech reselling firm, trusted by organizations across the UK, EU, and worldwide.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-103 contacts →

Exact match

“Our experienced team provides down-to-earth data protection advice, support and training.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 13, 20261-103 contacts →

Exact match

“At Cullinan we understand that your online reputation and digital privacy are priceless.”

Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase

Showing 25 of 67 privacy law firms based in London, 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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Privacy law firms based in London, United Kingdom at a glance

As of Sep 13, 2026
41.1%Verified-email coverage
4.2%Mobile-number coverage
6.8Average contacts per company
1-10Median size (employees)
Sep 13, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
19
51-200
1
501-1,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

Company record updated

Median 65.0d

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 London, United Kingdom whose business descriptions match “privacy law firms” 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 September 13, 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.

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 “privacy law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many privacy law firms are there based in London, United Kingdom?

RevenueBase identified 67 company matches for privacy law firms associated with London, 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 in the United Kingdom has the most privacy law firms?

London leads the United Kingdom with 81 company records, followed by Bristol (5) and Bedford (4).

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 67 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 13, 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.