Fortress

About Fortress Windows & Doors Inc.

Awards Earned

HomeStars Best of the Best Award 2025 Winner - Fortress Windows and Doors Toronto

Best of the Best 2025

Winner 4 times

HomeStars Best of Awards 2025 Winner 11 Times - Fortress Windows and Doors Toronto

Best of Awards 2025

Winner 11 times

37+ Years Serving Southern Ontario Families

Family-Owned Business with Heart

Industry's Best Warranty Guaranteed

HomeStars Winner Every Year Since 2014

We could be proud of our A+ Better Business Bureau rating. Many would expect us to ramble about having the Best of Homestars for 12 years in a row. We’ll often talk about how our products and installation currently have the absolute best warranty in the windows and doors industry. These things are great, but there is something even more significant at Fortress Windows & Doors Inc.

It’s the personal touch of an experienced, knowledgeable service provider. We focus on relationships within our locally owned and operated business because we make our community great together.

Trusted by Toronto Homeowners - HomeStars Winner, BBB A+ Rating, Family Owned Business
BBB A+ Rating and Industry Certifications - Fortress Windows and Doors Toronto

OUR WORK SPEAKS FOR ITSELF.
THE DIFFERENCE IS IN THE RELATIONSHIPS WE BUILD WITH EVERY PROJECT

Fortress Windows and Doors Toronto - 100% Canadian Company Logo

100% CANADIAN

Our Team

Steve Mercer - Owner and Founder of Fortress Windows and Doors Toronto, 37+ Years Experience

Steve Mercer

Steve has 37 years of experience in the industry. He’s been involved in the building and contracting trades all his life. Most recently, his knowledge was as a home inspector. He’s also worked with several real estate agents, so you can rest assured that your estimates will be fair and accurate.

Steve McCue

Steve has been installing windows and doors for 37 years. He’s in charge of each project’s installation components. If you have any questions about a complex installation, he’s your guy.