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acquisitionAnnounced · Jan 9, 2026SecuritySource · Community DiscussionsArticle · Factual
Guardian Alarm acquires Controllor Security Systems
David Najork · Founding Software Engineer
Announced · Updated · 1 min read
Deal value
—
Target
Controllor Security Systems
Acquirer
Guardian Alarm
Full Acquisition
Status
Announced
Guardian Alarm agreed to acquire Controllor Security Systems. Reported deal value: Undisclosed. Status: Announced. Sector: Security. Target headquarters context: Location not specified.
This page summarizes publicly available information about the transaction as of 2026-01-09. Figures and status may change as filings and press coverage update.
Guardian Alarm , one of the largest full-service security companies in the United States, today announced the acquisition of Controllor Security Systems , a respected and long-established security provider serving Metro Detroit communities for more than 40 years
Deal timeline
Announced
Jan 9, 2026 · prweb.com
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context
This transaction is classified in Security. Figures and status may change as sources update.
Sources: prweb.com · Primary article · FireStrike proprietary index