Card Access & Camera Security Systems

Installed Across Toronto & The GTA

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At Square We Offer

Square Security Inc. was founded on the principals of providing our customers with better commercial security solutions by offering customized quality system designs, only using qualified installers and supporting our systems with the industry’s best warranty. 

Mark Kostiw

President of Square Security Inc.

Some Of Our Services

Camera Surveillance

Card & Fob Access

Alarm Systems & Monitoring

Visitor Entry Phones

Data Cabling

Service & Maintenance

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We Are Trusted By Canada’s Largest Brands

What Our Customers Say:

    5 star review  Mark, and his TEAM are knowledgeable, listen and understand what your needs are. They were on time, finished the job on schedule and went the extra mile to ensure that the work was done correctly and ecstatically looked GREAT! Mark spent time and trained us with patient while we learned the software. Our company will be using Square Security for all our security needs and would highly recommend them. Professional ALL THE WAY!!!

    thumb Jacqueline Dawes

    5 star review  Square is incredibly responsive and always get us exactly what we need.

    thumb Adam Westland

    5 star review  True professionals at the craft. Security Square has done several jobs for us and every job completed on time, professionally executed and with great service. I recommend Security Square for all industrial/commercial projects. Keep up the great work!

    thumb Jeff Awdishu

What We Do Different At Square


Discuss your project with qualified personnel that are qualified to make recommendations based on your specific needs


Written detailed proposals including equipment specifications and a drawing showing where devices will be installed


Experienced technicians that follow a proven installation process to deliver quality security solutions on time as promised

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To Discuss All of your Commercial Security Needs!

CALL NOW: 416-460-7218