Alarm Guard Security Services is ADT's #1 Dealer in Canada! Our goal is to take care of our customers with excellent customer service - above and beyond. Alarm Guard was established in 2003. With many years of experience in the security industry already, we knew what it would take in order to be a successful security company. Over years of growing and success, Alarm Guard quickly became ADT's #1 dealer in Canada. Alarm Guard now provides service throughout most of Canada for both residential and commercial. more... See more text