Skip to main content

Timeline Express Announcements

The Expansion Continues

Guardian Alarm acquires Executive Security Consultants, a locally owned and operated security company based in Columbus, OH. Established in 1988, ESC brings along a trusted presence in the Columbus community that Guardian Alarm will help expand for years to come.

Guardian Alarm Expands

Guardian Alarm acquires Sievers Security, an independently-owned security company based in Cleveland, OH. This acquisition expands Guardian Alarm’s footprint in Ohio by continuing to be the largest security company in the Midwest.

Detect. Deter. Defend.

Guardian Alarm launches Virtual Guardian, a new 24/7 video monitoring service creating real-time remote security solutions with the latest technology, such as live video-voice communication.

Securing 85 Years

The Guardian Alarm family proudly celebrates our 85th Anniversary and we look forward to continuing the legacy of innovation and industry-leading standards.

The Legacy Passes On

The Guardian Alarm founder, Milton Pierce, passes away at the age of 95. A true pioneer, Pierce set the example with his motto: “Give the customer good service. Take good care of them and they will take care of you.”

Free Quote