Hills Distrcit Alarms is an Australian owned business. We have been operating since 1996, with over 30 years experience in the security industry

HDA is a NESS Select Dealer. NESS are an Australian Company , and manufacture here in Australia. We supply, install and service security systems . We also service Bosch, MCM, D.A.S systems. We are based in Sydneys North Western Suburbs, and service from the HAwkesbury thorugh the Hills Distrcits to Sydneys Northern Suburbs. We have a range of Camera Surveillance Systems available for many situations and budgets.