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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 companies based in France.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
 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 |
 EfficientIP EfficientIP provides DNS, DHCP and IP address management software for network automation and security. | DNS security | La Garenne Colombes, France | 2004 | Owned by Francisco Partners |
 Exclusive Networks Exclusive Networks is a global cybersecurity specialist that distributes and supports security solutions through partners. | Managed security services | Boulogne Billancourt, France | Owned by CD&R and Permira | |
 Mailinblack Mailinblack provides email security, password management, and cybersecurity awareness training for organisations. | Email security | Marseille, France | 2003 | Owned by Seven2 |
 MDSI MDSI is an IT services company based in La Réunion. | Managed security services | Le Port, France | 2010 | Owned by Groupe Factoria |
 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 |
 Trustpair Trustpair provides a platform for fraud prevention and bank account validation for businesses. | Fraud and payment fraud prevention | Paris, France | 2017 | Owned by Basware |
 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 |