Established 1982

MasterGuardian® is manufacturing quality and innovative alarms since 1982.
MasterGuardian® introduced the first worldwide microprocessor-based car alarm in 1985 which has changed the concept of vehicle protection for ever.

2003 MasterGuardian® surprised again the world with the first Fingerprint alarm system with a Friendly user concept and a design acclaimed in all international Exhibitions.

2009 MasterGuardian® showed the innovative MGC WEB alarm incorporating a webserver and TCP/IP communication.

MasterGuardian® products are being used by over one million users trusting Portuguese technology.
30 years later MasterGuardian® is working carefully to deserve Your Trust.

Proudly made in Portugal