Guardian Alarm has been protecting families and businesses since 1930 and is the largest family owned and operated security company in the Midwest.

Our Underwriters Laboratory and Factory Mutual approved Monitoring Station is the most technologically advanced in the country is located in Southfield, Michigan. We have redundant monitoring stations in Toledo, Ohio, and Windsor, Ontario Canada. In case of power loss, Guardian switches over automatically to two natural gas generators and we also have a backup phone system ensuring that your monitoring service is maintained.

We are committed to providing a prompt and courteous customer service experience every time you call. We pride ourselves in making sure a live body answers your calls instead of a recording.

Our Customer Service staff undergoes a rigorous certification program and a criminal background check. Our 90+ customer service representatives are cross-trained in not only monitoring situations, but also billing and troubleshooting to ensure a “one-stop shopping” experience. Our staff also has bilingual capabilities in Spanish and we also have a language line to communicate with any other dialects.

Our Guardian Alarm Customer Service members take pride in making sure our customers' lives and properties are protected. Our response time for life threatening and property intrusion alarms is within 15 seconds on average.

We at Guardian Alarm Customer Service strive to make sure we are providing you with a memorable and pleasant customer service experience every time you call. We look forward to serving you as a current or future customer.

Customers may contact Guardian's Customer Service Center and speak to one of our representatives 24 hours, seven days a week at 1-800-STAY-OUT (782-9688).