All companies

Berlin-based web, browser, and cryptography auditors founded by Dr. Mario Heiderich, trusted by ExpressVPN, NordVPN, 1Password, and Bitwarden.

cycura provides Microsoft tenant security consulting and managed security services for businesses.

DEKRA is a global provider of testing, inspection and certification services.

Makes automated ECU and vehicle security test tools and hardware, and carries out automotive penetration testing.

Bosch subsidiary selling ESCRYPT HSM firmware, intrusion detection, risk analysis tools and a managed vehicle SOC.

Engineering services group whose FEV.io arm runs TARA, ISO 21434 work, secure lab testing and vehicle pentests.

Berlin-headquartered German cybersecurity consultancy with 30+ years of BSI IT-Grundschutz experience. Trusted by federal agencies, DAX corporations, and critical infrastructure operators.

mainsec UG (haftungsbeschränkt) is an IT security consultancy based in Würzburg with a second location in the Sauerland.

German Cyber Resilience Act compliance and embedded security specialist. 16+ years in IoT and embedded Linux, delivering CRA readiness, compliance engineering, and legal certification for products with digital elements.

German security lab in Bonn, recognised by the PCI SSC for PTS device evaluation, plus German payment terminal schemes.

German inspection group assessing vehicles and makers against UN R155, R156, ISO/SAE 21434 and ISO 24089.

Inspection firm that audits carmakers' security management for R155 type approval and certifies suppliers to ISO/SAE 21434.

Frankfurt-based European payment security specialist holding the full set of PCI credentials (QSA, PFI, ASV, P2PE). Manual-first penetration testing for fintechs, acquirers, and regulated enterprises.

Vector Informatik provides software, hardware and services for building, testing and operating software-defined systems.