• Serving York Region & Simcoe County
  • Mon–Sat, 8 AM – 6 PM
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(416) 804-8895

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Our services

Security camerasHD and 4K cameras you can watch from your phone Alarm systemsMonitored intrusion, fire, smoke and CO alarms Home securityAlarms, doorbells, cameras and smart locks Commercial securityIntegrated systems for stores, offices and warehouses Access controlKeycard, fob, keypad, biometric and intercoms How it worksFrom a free visit to a finished install

Alarm packages

from $39/month

  • 24/7 monitoring
  • 7″ touch panel and app
  • Installation included
Compare packages Or get a free custom quote

Not sure we cover you?

Give us a call. If you are anywhere between Toronto and Barrie, we can usually help.

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Security Cameras & Alarm Systems for York Region and Simcoe County

Camera systems, monitored alarms and access control for homes and businesses from Vaughan to Barrie. One local team designs it, installs it, and picks up the phone when you need us.

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(416) 804-8895
  • Free on-site assessment
  • Most homes installed in one day
  • 24/7 monitoring available
  • Watch everything from your phone

Get a free quote

Tell us what you’re protecting. Takes 30 seconds.

    HomeBusiness

    No obligation. We reply the same business day.

    What we do

    Security for homes and businesses, designed and installed by one team

    Pick a service to see how we approach it, or book a free visit and we will recommend the right mix.

    Security cameras

    HD and 4K camera systems with night vision and viewing from your phone.

    Learn more →

    Alarm systems

    Monitored intrusion, fire, smoke and CO alarms over a cellular connection.

    Learn more →

    Home security

    Alarms, cameras, video doorbells and smart locks in one app.

    Learn more →

    Commercial security

    Integrated cameras, alarms and access control for any size of business.

    Learn more →

    Access control

    Keycard, fob, keypad and biometric entry, plus video intercoms.

    Learn more →

    Alarm packages

    Monitored home packages from $39 a month, installation included.

    Learn more →
    Why GSS

    Local people who design it, install it and stay reachable

    We are a Toronto-based security company doing more and more of our work north of the city, in York Region and Simcoe County. Homeowners in Newmarket, Aurora and Bradford, businesses in Vaughan and Richmond Hill, and properties up to Barrie and Innisfil.

    Every job starts with a free visit. We walk the property with you, explain what we would install and why, and give you a written quote. Our own technicians do the work, show you the app, and are a phone call away after that.

    Book a free assessment
    (416) 804-8895

    What you can count on

    A plan built for your property

    Layout, risks and budget, not a one-size kit.

    Most homes installed in one day

    Commercial timelines come with the quote.

    24/7 monitoring available

    Over cellular, so no landline is needed.

    Everything on your phone

    Cameras, alarm and alerts in one app.

    Support after the install

    Service, maintenance and upgrades.

    Monitored alarm packages

    Home packages from $39 a month

    Every package includes 24/7 monitoring, a 7-inch touch panel, app access, a cellular connection and installation.

    Smart Secure Basic
    $39
    / month

    Panel, 3 door/window sensors, 2 motion sensors
    Smart Secure Pro
    $49
    / month

    Adds a smoke detector and a camera or doorbell
    Smart Secure Elite
    $59
    / month

    Adds a camera and a video doorbell
    Smart Secure Ultimate
    $69
    / month

    Adds a smart lock and thermostat
    Compare all packages
    How it works

    From first call to a working system

    1

    Free consultation

    We visit, walk the property with you and talk through what worries you most.

    2

    Custom plan

    You get a clear plan and quote built around your layout and budget.

    3

    Professional install

    Our technicians install, test and tidy up. Most homes are done in a day.

    4

    Training and support

    We show you the app and stay on call for service, upgrades and questions.

    Service areas

    Local to York Region and Simcoe County

    We install and service systems across both regions, and still cover Toronto and the rest of the GTA.

    • York Region
    Newmarket
    Aurora
    Richmond Hill
    Vaughan
    Maple
    Woodbridge
    Thornhill
    Markham
    King City
    Nobleton
    Schomberg
    East Gwillimbury
    Keswick
    Stouffville
    • Simcoe County
    Bradford
    Innisfil
    Barrie
    Tottenham
    Alliston
    Beeton
    • Toronto & GTA
    Toronto
    North York
    Scarborough
    Etobicoke
    Mississauga
    Brampton
    Questions

    Frequently asked questions

    How much does a security system cost?

    Home alarm packages start at $39 a month with installation included. Camera, commercial and access control systems are priced after a free on-site visit, and you get a written quote before any work starts.

    York Region, including Newmarket, Aurora, Richmond Hill, Vaughan, Thornhill, Markham, King and Stouffville, and Simcoe County, including Bradford, Innisfil, Barrie, Tottenham and Alliston. We also serve Toronto and the GTA.

    Yes. Our systems include app access for live camera viewing, arming and disarming, and real-time alerts.

    Most residential installations are completed in one day. Commercial projects vary with the size of the system.

    Yes. We provide ongoing support, upgrades and maintenance for residential and commercial clients.