1. Supreme Security Services

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    Concord, ON

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    Supreme Security Services

    5.0 (1 review)
    Open • Open 24 hours

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    3 years ago

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    Grand Alarms

    Grand Alarms

    (9 reviews)

    Home Renovations. The basement needs to be furnished flooring and framing. A complete reno with…read morebathroom and kitchen.

    Terrible Customer Service: 15+ Year Loyal Customer Treated with Disrespect…read moreAfter being a loyal Grand Alarms customer for over 15 years, I am deeply shocked and disappointed by how this company treats its long-term clients. On Saturday, Sept. 19, 2026, at 10:00 AM, a technician arrived at my home for a service call. When he asked if I had other concerns, I asked a straightforward question. Instead of answering, he became visibly upset, aggressive, and began raising his voice inside my home. When I calmly asked him to leave, he walked out, turned around, and swore at me (using the F-word) at my own front door. I immediately called customer service and spoke with a representative named Jam, who assured me a manager would call first thing Monday morning. No one called. I finally received a call on Monday afternoon from a manager named Carson, who spent the conversation defending the technician's unacceptable behaviour. Carson promised to follow up with me by Friday, Sept. 25, 2026, but completely ghosted me. I have left multiple messages on Sept. 25, Sept. 28, Sept. 29, and today, Oct. 1, 2026. Representatives confirm he is in the office but refuse to provide his extension or connect me, meaning my concerns are being actively ignored. Grand Alarms is sending aggressive individuals with severe anger management issues into people's homes, and their management team actively covers for them. I hope the CEO of Grand Alarms looks into how this organization is being run, as they clearly do not care about customer safety or loyalty. #GrandAlarms #BadCustomerService #CustomerService #HomeSecurity #ConsumerAlert

    Supreme Security Services - security - Updated October 2026

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