When Mark Kostiw founded Square Security Inc, he was looking to provide businesses in Toronto with quality security solutions that come with a simplified installation process. As a result, today Square provides commercial clients across Ontario with security system designs that best meet their requirements with installation by a team of experienced experts. By combining well designed systems with quality installations, Square offers an unmatched three (3) year warranty on all projects. Our customers are happy as they get the right security system for their application, projects are completed smoothly on schedule, and all potential issues are covered by the industry’s best warranty.
We Are Trusted By Canada’s Largest Brands
What Our Customers Say:
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!
Square is incredibly responsive and always get us exactly what we need.
Mark Kostiw came out and installed our card access system. He did a great job, very organized and the job was completed beyond our expectations. Would highly recommend Square Security
Who We Service
We design and install security systems for a range of businesses from basic one to two camera & card access installations for a small businesses to enterprise multi-site deployments for some of Canada’s largest corporations.
We service Toronto & Southern Ontario including:
- Toronto & The Entire GTA
- Hamilton & The Greater Hamilton Area
- Kitchener, Waterloo, Cambridge, Brantford & Surrounding Areas
- London & Surrounding Area
- St. Catherines & the Niagara Region