Guardian Alarm, founded in 1930 in Southfield, Michigan, is one of the largest independently owned security companies in the United States. Starting with 60 customers, the firm has grown to employ over 500 people and is consistently ranked among the top 20 security providers nationally. It holds the position of the largest independently owned security company in the Midwest.
The company designs, installs, tests, monitors, and services comprehensive security systems for residential and commercial clients. Its offerings span burglar alarm systems, video surveillance, access control, smart home automation, and environmental hazard detection for fire, water, and carbon monoxide. A 24/7 professional monitoring service underpins these products.
Guardian Alarm serves a broad range of industry verticals, including automotive, retail, healthcare, education, banking, manufacturing, construction, restaurants, trucking, cannabis, and residential sectors. The company's technical capabilities cover the full lifecycle of security system deployment, from initial design through ongoing servicing.
