Company lists · Data verified August 2026

Top 25 Data protection law firms based in France

There are 271 data protection law firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 1,052 professional contacts across them, including 338 with verified work emails and 25 with mobile numbers. Paris is the largest hub.

This list covers data protection law firms headquartered in France, 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.

271Companies
1,052Contacts tracked
338Verified emails
25Mobile numbers
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The 25 largest data protection law firms based in France

Ranked by team size
Top 25 of 271 data protection law firms based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1ADNOVn/a201-50013967
2DigitemisAngers11-503823
3DipeeoParis11-503723
4Actecil, Expert EN Conformité RgpdStrasbourg11-503525
5Dpms Groupn/a11-50159
6Itlaw AvocatsParis11-50137
7Lawways AvocatsParis1-10135
8LexagoneTourcoing11-50127
9Caprioli & AssociésParis11-5097
10DpoptionMarseille11-5085
11Mexon TechnologyCourbevoie Cedex51-20082
12Aumans AvocatsParis11-5071
13LE Chemin ModerneAmiens1-1062
14Déclarations JuridiquesSaint-Nazaire11-5053
15Tellus AvocatsMetz1-1053
16TrustemMontpellier1-1052
17AurilexParis1-1042
18DPO 101Paris11-5033
19DPO Consulting InternationalParis51-20032
20BlockproofToulouse11-5032
21lex-avocats.euMarseille11-5022
22Cepia ConsultingStrasbourg1-1022
23AnabatiqParis1-1022
24ACMAIParis1-1021
25Ad-Lex AvocatsAgen11-5011

Showing 25 of 271 data protection law firms based in France

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Data protection law firms based in France at a glance

As of Aug 28, 2026
1-10Median size (employees)
ParisLargest hub · 94 HQs
25Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
238
11-50
24
51-200
2
201-500
1
501-1,000
1

Data protection law firms by metro

MetroCompanies
Data protection law firms in Paris94
Data protection law firms in Lyon14
Data protection law firms in Marseille9
Data protection law firms in Toulouse5
Data protection law firms in Nantes4
Data protection law firms in Strasbourg4
Data protection law firms in Bordeaux4

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 protection law firms”, with match quality audited by blind human judging, and headquartered in France.
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; 0 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 protection law firms are there based in France?

There are 271 data protection law firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

ADNOV, headquartered in France, tops this list with the largest team on record.

Which city has the most data protection law firms?

Paris leads with 94 headquartered companies, followed by Lyon (14) and Marseille (9).

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 338 verified decision-maker contacts tracked across these 271 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.