GSMK is a cyber security pioneer. Ever since having brought the world's first secure mobile phone with end-to-end voice encryption based on commercial hardware to the market in 2003, the company has worked at the forefront of mobile device and mobile network security. Having developed information assurance technologies integral to defending critical information for 15 years, GSMK protects mobile terminals and mobile network infrastructure. With a first-rate reputation in cryptography, smartphone security and mobile network security, the company serves clients in over 50 countries worldwide.
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The GSMK Gesellschaft für Sichere Mobile Kommunikation mbH annual revenue was $5.2 million in 2026.
Frank Rieger is the CTO of GSMK Gesellschaft für Sichere Mobile Kommunikation mbH.
5 people are employed at GSMK Gesellschaft für Sichere Mobile Kommunikation mbH.
GSMK Gesellschaft für Sichere Mobile Kommunikation mbH is based in Berlin, Berlin.
The NAICS codes for GSMK Gesellschaft für Sichere Mobile Kommunikation mbH are [334210, 33, 3342, 33421, 334].
The SIC codes for GSMK Gesellschaft für Sichere Mobile Kommunikation mbH are [366, 36].