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Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.
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See also Penetration testing companies and companies based in France.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
 AgentRidge AgentRidge provides autonomous AI software for penetration testing on local machines. | Penetration testing | Paris, France | 2026 | Private |
 Airbus Protect Airbus group cybersecurity consultancy with ANSSI PASSI qualification. Aerospace, defence, and critical infrastructure penetration testing across Europe. | Penetration testing | Paris, France | 2022 | Owned by Airbus |
 BCIT BCIT is a cybersecurity and compliance consulting firm and training organisation based in France. | Security consulting and vCISO | Pranzac, France | 2022 | Private |
 Laucked Laucked is a French cybersecurity firm based in Toulouse that provides penetration testing and continuous security monitoring for small and medium-sized businesses. | Penetration testing | Tournefeuille, France | 2025 | Private |
 Quarkslab Paris research firm auditing ECUs, ADAS, in-vehicle networks and OTA updates, and selling software protection for ECU firmware. | Automotive cybersecurity | Paris, France | 2011 | Owned by Airbus |
 SERMA Safety & Security French security evaluation lab (ITSEF/CESTI) recognised by the PCI SSC for PTS device evaluation, plus EMVCo and Common Criteria. | Penetration testing | Pessac (Bordeaux), France | Owned by SERMA Group | |
 Thales Cyber Solutions Cybersecurity division of the Thales Group, with ANSSI, CREST, FedRAMP 3PAO, and NATO-cleared personnel. Defence, government, and critical infrastructure penetration testing worldwide. | Penetration testing | Paris, France | 1893 | Owned by Thales |
 UTAC French test and approval body acting as a UN R155 technical service, with vehicle pentesting and TARA. | Automotive cybersecurity | Linas, France | 1945 | Owned by Eurazeo |
 YesWeHack YesWeHack runs a bug bounty platform connecting organisations with ethical hackers. | Bug bounty and crowdsourced testing | Paris, France | Private |