Dilmar Roofing
“Thank you Arthur, Christofher and Jamal for being professional and courteous, fantastic job!”
Best Siding Contractors near Alliston, ON
These companies serve Alliston from nearby bases in towns including Barrie, Beeton and Everett.
11 companies listed · 2 open 24/7 · 5 open weekends · 8 rated 4.5+
Data verified October 19, 2026
Faytrim Aluminum & Siding
“From the amazing customer service with Courtney as the project manager to the incredible installation team lead by the detailed oriented Hunter.”
Norcan Roofing & Exteriors Inc.
“The finished projects, main house plus detached garage were replaced to a high standard at a quite reasonable price.”
Axcess Roofing
“Did an excellent job and would recommend to anyone.”
GTA Ontario Flat Roofers
“Speedy service, from coming to check out our roof, getting us a competitive quote, scheduling the work and showing up.”
Guaranteed Roofing and General Contracting
“Answered any and all questions I had and was super easy to work with.”
Listed for homeowners in and around Alliston, ON, these 11 companies work on exterior walls. Details about materials, colour ranges and insulation options are drawn from each company's own site, and the review quotes underneath are public reviews.
Area overview: Alliston, ON
10 of the 11 companies on this page have a rating, from 4.0 to 5.0 across 107 reviews; 8 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (80%) and value (71%). 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 2 have ten or more years of experience, the longest 19 years. 2 offer emergency call-outs; 2 offer financing or payment plans; 8 give free estimates and 4 are family- or locally-owned. We have a website on file for all 11 of the companies on this page; 10 publish a contact page; 10 list a public email and 1 takes bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
How many of these companies publish a website?
Websites are listed for all 11 companies on this page. Open them and look for finished houses nearby, ideally after a winter or two rather than on handover day. Close-up photographs around windows and at corners show the standard of the trim work, which is where a rushed job gives itself away first.
North Force Contracting Ltd.
“We recommend the company to everyone who is looking for top notch quality.”
Highridge Roofing
Sheppard Eavestrough and Siding
“Their colour recommendations were great, their work was top notch.”
Better Contracting Services
“Great Company, my new roof and gutters are great and the Smartr.”
Roofing Army
Why these companies made our list
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