Guardian Alarm Email Format

Security and InvestigationsMichigan, United States201-500 Employees

Guardian Alarm is a midsize, independently owned security company based in Southfield, Michigan, serving homes and businesses across the Midwest. Since 1930, it has delivered customized security solutions that span intrusion detection, smart automation, remote video monitoring, fire and life safety, commercial access control, and around-the-clock monitoring. It operates as a full-service provider in the security and investigations sector.

Its customer base includes homeowners and small to mid-sized commercial clients seeking integrated protection and safety solutions in the region. The company is positioned as an experienced, independent player within the Midwest security market. In December 2024, Guardian Alarm expanded its footprint by acquiring Proalert Security Systems in Cincinnati, reflecting ongoing growth through strategic acquisitions.

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