Alert Alarm Hawaii Acquires Rival Sentinel Silent Alarm

Alert Alarm Hawaii, the largest security alarm company in Hawaii, has purchased the No. 2 company in the state to enhance its coverage in Oahu and Maui.

HONOLULU – Alert Alarm Hawaii has acquired Sentinel Silent Alarm Company for an undisclosed amount, the company announced Monday.

Started in 1959, Sentinel Silent Alarm was the first security alarm company in Hawaii, and the second largest in the state. The firm offers access control, biometric, CCTV, fire alarm and intrusion detection systems to residential and commercial customers on all the islands in Hawaii.

Sentinel alarm is also the only company with a UL Listed monitoring station that offers integrated patrol and guard services.

Founded in 1962, Alert Alarm is the largest security solutions provider in the state of Hawaii. The latest transaction is the eighth acquisition for the firm in the past five years, boosting its subscriber base to roughly 25,000 residential and commercial clients.

With operations on Oahu, Kauai, Maui and the Big Island, Alert Alarm plans to enhance its coverage on those islands and position the combined company for further growth in the Hawaiian market.

“Both Alert and Sentinel have roots that trace back over 50 years to the period immediately following statehood,” Alert Alarm President John Cannon says. “We share a common commitment to service and relationships for the commercial and residential customer in the Hawaiian market. Sentinel, like Alert Alarm, has invested heavily in technology over the years to better serve its customers, and we look forward to welcoming Sentinel’s customers into the Alert Alarm ohana.”

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