Alarm Systems in Caledon, Ontario

"I have been a customer of Grand Alarm since 2007 and last year when it came to upgrading our alarm system to a smart..."

"I was forced to use this company by my builder Gernaium. Never had I needed to pay a sub-contractor seperately but i..."

"I was referred to Ray by a friend. He performed the installation in a timely manner and also provides great follow-up..."

"We had been with an alarm co for over 15 years, dutifully paying an ever increasing monthly fee, and never receiving..."

"Nice not having someone come into our office to set up the system. Was super easy to do it ourselves. Called in when..."