Company lists · Data verified August 2026

Top 25 AI cybersecurity companies based in France

There are 214 AI cybersecurity companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 3,623 professional contacts across them, including 991 with verified work emails and 176 with mobile numbers. Paris is the largest hub.

This list covers AI 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.

214Companies
3,623Contacts tracked
991Verified emails
176Mobile numbers
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The 25 largest AI cybersecurity companies based in France

Ranked by team size
Top 25 of 214 AI 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.
#CompanyHQEmployeesContactsVerified emails
1own.securityRennes51-20050626
2TrackforceMaisons201-500400164
3CybelangelClichy51-20016197
4ItrustToulouse51-20012676
5HarfanglabParis51-20011983
6QuarkslabParis51-2009445
7CS In CybersecurityLe Plessis-Robinson51-2007520
8Eset FranceMarne-La-Vallee51-200711
9Techso GroupParis51-2005424
10Qevlar AIParis51-2005131
11DattakParis51-2005128
12patrowl.ioParis11-504935
13ERIUMn/a51-2003815
14CrowdsecParis11-503629
15ExcubeLyon11-503322
16BsecureParis51-2003318
17RandorisecParis11-503118
18Abakus SécuritéParis11-50298
19Sec-ItAix-En-Provence11-502611
20Five NinesParis11-502611
21GiskardParis11-502313
22SeclabPerols11-502213
23DowsersParis11-502110
24Sylink TechnologieSaint-Jacques-De-La-Lande201-500211
25Cresco CybersecurityMontigny-Le-Bretonneux11-501911

Showing 25 of 214 AI cybersecurity companies based in France

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AI cybersecurity companies based in France at a glance

As of Aug 28, 2026
1-10Median size (employees)
ParisLargest hub · 80 HQs
176Contacts with mobile numbers
8Emails re-verified in last 30 days

Companies by employee count

1-10
136
11-50
54
51-200
15
201-500
5
1,001-5,000
3
10001+
1

AI cybersecurity companies by metro

MetroCompanies
AI cybersecurity companies in Paris80
AI cybersecurity companies in Lyon9
AI cybersecurity companies in Toulouse5
AI cybersecurity companies in Rennes5
AI cybersecurity companies in Lille4
AI cybersecurity companies in Boulogne-Billancourt3
AI cybersecurity companies in Strasbourg3

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 “AI 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; 8 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 AI cybersecurity companies are there based in France?

There are 214 AI cybersecurity companies headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

own.security, headquartered in Rennes, tops this list with the largest team on record.

Which city has the most AI cybersecurity companies?

Paris leads with 80 headquartered companies, followed by Lyon (9) and Toulouse (5).

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 991 verified decision-maker contacts tracked across these 214 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.