Company lists · Data verified August 2026

Top 25 Data privacy law firms based in the United Kingdom

Name: Data privacy law firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 177 companies tracked

There are 177 data privacy law firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,178 professional contacts across them, including 546 with verified work emails and 101 with mobile numbers. London is the largest hub.

This list covers data 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. Data current as of August 28, 2026.

177Companies

1,178Contacts tracked

546Verified emails

101Mobile numbers

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The 25 largest data privacy law firms based in the United Kingdom

Ranked by team size

Top 25 of 177 data privacy law firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Atheria LAW	London	11-50	62	50
2	Evalian	Worcester	51-200	61	39
3	Wrangu	London	51-200	58	42
4	Syrenis	Warrington	51-200	53	27
5	Hewardmills	London	11-50	46	30
6	Stuart Miller Solicitors	London	11-50	43	20
7	Data Protection People	Leeds	11-50	39	21
8	Privacy Culture	London	11-50	28	12
9	Securys Limited	London	11-50	27	12
10	DPO Consultancy	London	11-50	24	3
11	Blackfoot Cybersecurity	Welwyn Garden City	11-50	23	13
12	Taylor Hampton Solicitors Limited	London	11-50	21	13
13	ONE Compliance Cyber Limited	n/a	11-50	20	13
14	Gdprlocal LTD	Brighton	11-50	18	13
15	Claimsmiths	Manchester	11-50	17	11
16	IGS Information Governance Services	London	11-50	17	8
17	LEX Dinamica	London	11-50	17	5
18	Teal Compliance	Salford	11-50	16	12
19	Slateford	London	11-50	15	10
20	AWO Agency	London	11-50	12	9
21	Pembroke Privacy	London	11-50	12	6
22	Data Privacy Manager	London	51-200	11	1
23	Trust Keith Your Always-On Privacy Partner	London	11-50	10	9
24	Privacy Partnership	London	11-50	10	3
25	Thomson Heath Jenkins & Associates	Cambridge	11-50	9	8

Showing 25 of 177 data privacy law firms based in the United Kingdom

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

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 82 HQs

101Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

126

11-50

51-200

Data privacy law firms by metro

Metro	Companies
Data privacy law firms in London	82
Data privacy law firms in Bedford	4
Data privacy law firms in Leeds	3
Data privacy law firms in Bristol	3
Data privacy law firms in Brighton	3
Data privacy law firms in Birmingham	2
Data privacy law firms in Manchester	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “data privacy law firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many data privacy law firms are there based in the United Kingdom?

There are 177 data privacy law firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most data privacy law firms?

London leads with 82 headquartered companies, followed by Bedford (4) and Leeds (3).

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 546 verified decision-maker contacts tracked across these 177 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.