Best Roofing Contractors near Port Colborne, ON
2 of these companies are based in Port Colborne; the others serve Port Colborne from towns including Welland, Niagara Falls and Niagara-on-the-Lake.
1 open 24/7 · 15 open weekends · 21 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Brauns Metal Roofing
Ace 1 Quality Roofing Inc.
Canada Pro Roofing
Hamblet's Roofing Siding Windows
Roof Wizard
Listed for homeowners in and around Port Colborne, 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.

Area overview: Port Colborne, ON
The 24 companies on this page are rated from 4.2 to 5.0 across 707 reviews; 5 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 (90%), quality (84%) and value (78%). The topics that come up most in reviews of the companies on this page are "estimates", "communication" and "crew". 1 is open around the clock; 15 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are roof repair (3), siding (3) and eavestroughs (2). 1 shows a licence on its website and 1 lists staff certifications (GAF). 6 have ten or more years of experience, the longest 30 years. 1 offers emergency call-outs; 4 offer financing or payment plans; 10 give free estimates and 2 are family- or locally-owned. We have a website on file for 17 of the companies on this page; 12 publish a contact page and 13 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do roofers listed for Port Colborne quote at no charge?
Free estimates are stated by 10 of the 24 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.