Through our commitment, experience, and expertise Sonaguard has established a business relationship with our customers that will last a lifetime Sonaguard has over 46 years in the Security and Fire alarm Industry Founded in 1959, Sonaguard is located in Holbrook, MA We install the latest effective and affordable state of the art security systems for home, and commercial installations which include central station monitoring with optional cellular backup We provide the latest state of the art Burglar Alarms, Fire Alarms, CCTV Systems, Card Access Systems, and Home Automation