Office

Opening Hours


Monday: 8:30am – 5:00pm
Tuesday: 8:30am – 5:00pm
Wednesday: 8:30am – 5:00pm
Thursday: 8:30am – 5:00pm
Friday: 8:30am – 5:00pm
Saturday: CLOSED
Sunday: CLOSED

24 HOUR 7 DAY EMERGENCY ON CALL SERVICE

03 377 5335

Testimonials What our customers say

Mainland Security Systems Reviews
Ronin International
David Haslett

I have had a very positive personal and professional relationship with Mainland Security over the past decade. I return to Mainland Security because they have a flattened management structure that allows me to consult with management and technicians direct, when necessary, to achieve quality, modular, user-friendly, innovative security systems at a competitive price.

Mainland Security Systems Reviews
Fresh Choice Supermarkets
Neville Brown

Since 2004 Mainland Security Systems have provided us with their electronic security services. Their technical knowledge and quality of service is to a very high standard.

Mainland Security Systems Reviews
Metzger Builders
Mark Metzger

Metzger Builders have consistently engaged Mainland Security since it’s establishment nearly 20 years ago. A family business and one that is based on honesty, integrity and trust as well as state of the art technologies as well. We would never consider engaging any other security company.