About Us

The Best Physical Security Solution For Your Business

Our Story

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:

					  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!!!				
Jacqueline Dawes
7/10/2019 

					  Worked as expected. Get static of neighbors on system friendly user . Best intercom service in toronto .workers are very professional and friendly. I definitely recommend ..				
vivek rocky
10/26/2018 

					  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				
Datec Coating Company
8/10/2018 

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: