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24 companies listed · 19 in St. Catharines · 4 open 24/7 · 10 open weekends · 21 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around St. Catharines, ON, these 24 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.
19 of the 24 companies we list are based in St. Catharines; the other 5 serve St. Catharines from Niagara Falls (17 km). 22 of the companies on this page have a rating, from 4.1 to 5.0 across 743 reviews; 7 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (83%) and responsiveness (80%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 4 are open around the clock; 10 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are eavestrough (3), siding (3), roofing (2) and shingles (2). 2 show a licence on their websites and 2 list staff certifications (GAF). 8 have ten or more years of experience, the longest 25 years. 6 offer emergency call-outs; 2 offer financing or payment plans; 13 give free estimates and 5 are family- or locally-owned. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
2 of the 24 listings here show a licence on their websites. Requirements are provincial and municipal, so check the claim with the issuer, and ask separately for the workers' compensation clearance letter, which is the document that protects you if someone falls.
