IoT security companies in Germany
17 of the 78 IoT security companies we list are based in Germany. 6 are owned by another company and 11 are private. The oldest, TÜV SÜD, was founded in 1866. Of the 3 companies here with staff numbers, the largest is TÜV SÜD (26,529 staff).
Companies focused on IoT, embedded and product security in Germany
4 companies| Company | Based in | Founded | Size | Ownership |
|---|---|---|---|---|
 Emproof Bochum software firm hardening embedded and ECU firmware binaries against reverse engineering and exploitation, with ASIL-D certification. | Bochum, Germany | Private | ||
 Fuzzware Fuzzes compiled ECU and embedded firmware in emulation, finding memory bugs without needing the physical hardware. | Bochum, Germany | Private | ||
 pi3g 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. | Leipzig, Germany | 2012 | Private | |
 SYSGO PikeOS hypervisor maker offering a secure vehicle gateway platform with firewall and IDS, plus a host-based IDS. | Klein-Winternheim, Germany | 1991 | Part of Thales Cyber Solutions |
Also active in IoT, embedded and product security
13 companies| Company | Based in | Founded | Size | Ownership |
|---|---|---|---|---|
 TÜV SÜD German testing and certification group whose security services include penetration tests, ISO/SAE 21434 certification and UN R155 audits. | Munich, Germany | 1866 | 26,529 staff | Private |
 TÜV Rheinland Inspection firm that audits carmakers' security management for R155 type approval and certifies suppliers to ISO/SAE 21434. | Cologne, Germany | 1872 | 22,093 staff | Private |
 Vector Informatik Vector Informatik provides software, hardware and services for building, testing and operating software-defined systems. | Stuttgart, Germany | 1988 | 2,440 staff | Private |
 asvin Software and services for cyber risk analysis, secure software updates and UNECE R155 and R156 compliance. | Stuttgart, Germany | 2018 | Private | |
 DEKRA DEKRA is a global provider of testing, inspection and certification services. | Stuttgart, Germany | 1925 | Private | |
 dissecto Makes automated ECU and vehicle security test tools and hardware, and carries out automotive penetration testing. | Regensburg, Germany | 2022 | Owned by dSPACE | |
 ETAS Bosch subsidiary selling ESCRYPT HSM firmware, intrusion detection, risk analysis tools and a managed vehicle SOC. | Stuttgart, Germany | 1994 | Owned by Robert Bosch | |
 LegacyMind GmbH LegacyMind GmbH provides a firmware security platform that analyses firmware at the binary level. | Ingolstadt, Germany | 2025 | Private | |
 SRC Security Research & Consulting German security lab in Bonn, recognised by the PCI SSC for PTS device evaluation, plus German payment terminal schemes. | Bonn, Germany | 2000 | Owned by Bank-Verlag, DG Nexolution, Deutscher Sparkassen Verlag and VÖB-ZVD | |
 Code Intelligence Automated fuzz testing for C and C++ code, with an AUTOSAR simulator and support for ISO/SAE 21434 testing. | Bonn, Germany | Private | ||
E Elektrobit German automotive software maker offering embedded security software, network intrusion detection and cybersecurity maintenance for vehicles. | Erlangen, Germany | 2004 | Owned by AUMOVIO | |
 ONEKEY ONEKEY provides a platform for product cybersecurity and compliance, automating SBOM analysis, vulnerability detection, and regulatory compliance. | Düsseldorf, Germany | 2020 | Private | |
 Utimaco Utimaco provides hardware security modules, encryption, and key management for data protection and critical infrastructure. | Aachen, Germany | 1989 | Owned by SGT Capital |