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


Jose Torner, FERMAX SISTEMAS, España

El producto nos encanta.

Andrea Zanzi, Aliandre, Italia

Siamo impressionato del prodotto che squisitamente unisce tecnologia e qualita ad un design di rara raffinatezza.


I'm the product and purchase manager that is responsible for intruder products. In this role I watch closely the market and i came across your system which caught my attention. It looks to me like a very nice and complete system.

Waldemar Tlaga, Alarmtech Polska

I must confess I am still affected by the beauty of your design.

Arturo Garcia Pla, Servit, Andorra

Estoy impresionado. És mucho más de lo que pensaba.

Georgi Videnov, Sectron, Bulgaria

We know very well the security market and no products like yours are available at the moment. Congratulations!

Ms. Thalia Petrides, Ambassador of the Republic of Cyprus

Extremely beautiful

Isabel Brarens, Centro Português de Design

I was very impressed especially by the beauty of the forms, by the Design.

Rui Abecassis, ICEP, New York

Do melhor que vi em produtos portugueses.