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21 companies listed · all 21 in Windsor · 1 open 24/7 · 12 open weekends · 12 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Windsor, ON, these 21 companies take roofing work. What each one claims about tear-offs, membranes and workmanship cover is taken from its own website; ratings and quoted lines come from public reviews.
All 21 companies we list here are in Windsor itself. We have 23 companies in Windsor on file; this page shows the highest-rated 21. 20 of the companies on this page have a rating, from 4.0 to 5.0 across 907 reviews; 6 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (88%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 1 is open around the clock; 12 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are commercial roofing (3), roofing (3), doors (2), eavestroughing (2) and insurance claims (2). 1 shows a licence on its website. Domain records put 12 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 1 offers emergency call-outs; 1 offers financing or payment plans; 8 give free estimates and 3 are family- or locally-owned. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Free estimates are stated by 8 of the 21 companies on this page. A free visit is normal in this trade, though it doubles as a sales call. Ask for photos of the roof and the attic, written findings, and a price that separates the tear-off from anything found under it.
- “An honest to goodness company. Did my roof replacement and i can't say enough about the quality of work and clean up these guys did.” — customer of Roofing With Integrity
- “Cost was more than reasonable and the shingles look amazing…can’t ask for much more when doing a roof.” — customer of Certified Roofing Windsor
- “Jason and his team did an outstanding job installing my new shingles on my roof.” — customer of Mills Roofing and Renovations Inc.
Excerpts from public reviews of the companies listed on this page.
