Best Roofing Contractors near Alliston, ON
These companies serve Alliston from nearby bases in towns including Barrie, Beeton and Everett.
12 companies listed · 2 open 24/7 · 6 open weekends · 10 rated 4.5+
Data verified October 21, 2026
Select Metal Roofing LTD Canada
Norcan Roofing & Exteriors Inc.
Axcess Roofing
GTA Ontario Flat Roofers
Roofr Inc
Listed for homeowners in and around Alliston, ON, these 12 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: Alliston, ON
The 12 companies on this page are rated from 4.0 to 5.0 across 136 reviews; 10 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (87%), quality (82%) and value (77%). The topics that come up most in reviews of the companies on this page are "estimates" and "crew". 2 are open around the clock; 6 are open on Saturdays and 3 on Sundays. 4 have ten or more years of experience, the longest 19 years. 2 offer emergency call-outs; 3 offer financing or payment plans; 8 give free estimates; 3 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 12 of the companies on this page; 11 publish a contact page and 9 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 Alliston quote at no charge?
Free estimates are stated by 8 of the 12 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.