Sonic Alarm Systems


Tel: 02920 703 720

Offices: Penarth

South Wales Security | Intruder Alarms, CCTV & Access Control Systems

Welcome to Sonic Alarm Systems providers of security systems throughout South Wales for over 35 years.


Security you can depend On

Providing the latest technologies in CCTV, Home Intruder Alarms, Commercial Intruder Alarms and Access Control systems across the whole of South Wales.
Offering a FREE no obligation quotation for all of our services and a range of flexible payment terms including credit card and lease options - can you afford not to protect your property?


Family-run Sonic Alarm Systems are here to help protect your homes with their affordable and reliable services.

CCTV Systems

CCTV Systems

Intruder Alarm Systems

Intruder Alarms

Access Control Systems

Access Control