Company lists · Data verified August 2026

Top 25 Cybersecurity law firms based in France

Name: Cybersecurity law firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 345 companies tracked

There are 345 cybersecurity law firms headquartered in France (RevenueBase, August 2026). RevenueBase tracks 3,493 professional contacts across them, including 1,188 with verified work emails and 56 with mobile numbers. Paris is the largest hub.

This list covers cybersecurity 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.

345Companies

3,493Contacts tracked

1,188Verified emails

56Mobile numbers

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The 25 largest cybersecurity law firms based in France

Ranked by team size

Top 25 of 345 cybersecurity 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	I-Tracing	Courbevoie	1,001-5,000	643	394
2	own.security	Rennes	51-200	506	26
3	ADNOV	n/a	201-500	139	67
4	Egerie	Paris	51-200	110	50
5	Lexing Avocats	Paris	51-200	86	1
6	CS In Cybersecurity	Le Plessis-Robinson	51-200	75	20
7	Cyberlift	Paris	51-200	55	31
8	Techso Group	Paris	51-200	54	24
9	AISI	Montpellier	51-200	50	31
10	Derriennic Associés	Paris	11-50	42	27
11	Ornisec	Rennes	11-50	40	16
12	Digitemis	Angers	11-50	38	23
13	Haas Avocats	Paris	11-50	37	23
14	ACG Cybersecurity	Paris	11-50	34	14
15	Kytl Security	Paris	11-50	34	4
16	Excube	Lyon	11-50	33	22
17	Bsecure	Paris	51-200	33	18
18	Randorisec	Paris	11-50	31	18
19	protected.eu	Paris	51-200	29	19
20	Abakus Sécurité	Paris	11-50	29	8
21	Cybermaker	Saint Cloud	11-50	26	12
22	Sec-It	Aix-En-Provence	11-50	26	11
23	Five Nines	Paris	11-50	26	11
24	Cyberdian Groupe	n/a	11-50	26	4
25	Agil'it	Paris	11-50	25	19

Showing 25 of 345 cybersecurity law firms based in France

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Cybersecurity law firms based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 146 HQs

56Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

265

11-50

51-200

201-500

1,001-5,000

Cybersecurity law firms by metro

Metro	Companies
Cybersecurity law firms in Paris	146
Cybersecurity law firms in Lyon	14
Cybersecurity law firms in Rennes	10
Cybersecurity law firms in Marseille	7
Cybersecurity law firms in Aix-En-Provence	5
Cybersecurity law firms in Nantes	4
Cybersecurity law firms in Boulogne-Billancourt	3

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 “cybersecurity 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; 2 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 cybersecurity law firms are there based in France?

There are 345 cybersecurity law firms headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

I-Tracing, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most cybersecurity law firms?

Paris leads with 146 headquartered companies, followed by Lyon (14) and Rennes (10).

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 1,188 verified decision-maker contacts tracked across these 345 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.