Company lists · Data verified August 2026

Top 25 Enterprise cybersecurity companies based in France

Name: Enterprise cybersecurity companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 692 companies tracked

There are 692 enterprise cybersecurity companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 10,374 professional contacts across them, including 3,482 with verified work emails and 347 with mobile numbers. Paris is the largest hub.

This list covers enterprise cybersecurity companies 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.

692Companies

10,374Contacts tracked

3,482Verified emails

347Mobile numbers

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The 25 largest enterprise cybersecurity companies based in France

Ranked by team size

Top 25 of 692 enterprise cybersecurity companies 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	Metsys	Lille	501-1,000	408	246
4	Trackforce	Maisons	201-500	400	164
5	Devoteam Cyber Trust	Levallois-Perret	10001+	342	145
6	Formind	Issy-Les-Moulineaux	201-500	252	136
7	Airbus Defence And Space Cyber	Elancourt	501-1,000	223	133
8	Stanley Security France	Francheville	1,001-5,000	191	1
9	Cybelangel	Clichy	51-200	161	97
10	ADNOV	n/a	201-500	139	67
11	Itrust	Toulouse	51-200	126	76
12	XMCO	Labege	51-200	112	4
13	Egerie	Paris	51-200	110	50
14	Quarkslab	Paris	51-200	94	45
15	Exclusive Networks France	Boulogne Billancourt	51-200	93	62
16	Devensys Cybersecurity	Suresnes	51-200	91	59
17	Magellan Sécurité	Romilly-Sur-Seine	51-200	76	33
18	CS In Cybersecurity	Le Plessis-Robinson	51-200	75	20
19	Aduneo	Malakoff	51-200	73	36
20	Eset France	Marne-La-Vallee	51-200	71	1
21	Strangebee	Paris	51-200	66	42
22	Tenacy	Lyon	51-200	61	27
23	OLFEO	Massy	51-200	60	43
24	Login Sécurité	Saint-Cloud	51-200	60	28
25	Secure Systems & Services	Aix En Provence	51-200	59	39

Showing 25 of 692 enterprise cybersecurity companies based in France

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Enterprise cybersecurity companies based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 206 HQs

347Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

433

11-50

180

51-200

201-500

501-1,000

1,001-5,000

10001+

Enterprise cybersecurity companies by metro

Metro	Companies
Enterprise cybersecurity companies in Paris	206
Enterprise cybersecurity companies in Lyon	26
Enterprise cybersecurity companies in Toulouse	13
Enterprise cybersecurity companies in Rennes	13
Enterprise cybersecurity companies in Lille	11
Enterprise cybersecurity companies in Nantes	8
Enterprise cybersecurity companies in Puteaux	7

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 “enterprise cybersecurity companies”, 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 enterprise cybersecurity companies are there based in France?

There are 692 enterprise cybersecurity companies 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 enterprise cybersecurity companies?

Paris leads with 206 headquartered companies, followed by Lyon (26) and Toulouse (13).

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 3,482 verified decision-maker contacts tracked across these 692 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.