Webcon Roofing
“We had a new roof installed by these folks and couldn't have been happier with not only the finished product but also the whole process all the way along.”
Best Siding Contractors in Guelph, ON
15 companies listed · 14 in Guelph · 1 open 24/7 · 4 open weekends · 10 rated 4.5+
Data verified October 18, 2026
Sambor Roofing
“In our experience, not many businessmen are as knowledgable and patient when discussing roofing, windows and siding projects.”
Wm. Green Roofing Ltd.
“Throughout these jobs, we had a point person (Jack) who kept in touch and responded to any issues that arose.”
Hy-Grade Steel Roofing
“Within two days of my calling Hygrade Service Manager, Lukas, he had two pleasant repairmen out, on the roof, and gone in fifteen minutes.”
JMN Roofing
“Jack and Jordan came to inspect and were able to quickly identify the issue.”
Superior Steel Roofing Systems Inc.
“Beautiful roof ,well installed,cleanup after completion of project was exceptional,very professional,Thanks Superior Roofing.”
Listed for homeowners in and around Guelph, ON, these 15 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: Guelph, ON
14 of the 15 companies we list are based in Guelph; the other one does not publish an address. The companies on this page are rated from 4.3 to 5.0 across 829 reviews; 6 have 50 or more reviews and 10 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (90%), quality (82%) and responsiveness (74%). The topics that come up most in reviews of the companies on this page are "estimates", "price" and "communication". 1 is open around the clock; 4 are open on Saturdays and 3 on Sundays. 6 have ten or more years of experience, the longest 26 years. 3 offer emergency call-outs; 3 offer financing or payment plans; 8 give free estimates and 3 are family- or locally-owned. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 14 list a public email and 1 takes bookings online. 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.
How many of these companies publish a website?
Websites are listed for all 15 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.
Dave Merkley Roofing Ltd
“The whole process from quoting, answering questions, timing, roofing and clean-up was all very professional, on time and on budget.”
Weldun Roofing
“She responded very promptly to my request for help in repairing our gutters and had someone at our house the next morning.”
Dowle & Sons Roofing
“They gave us the option to do just one elevation instead of the whole roof.”
Alliance Roofing Ltd
“Attends emergencies quickly and excellent communication.”
Weir Bros. Roofing Inc.
“Weir bros did my personal roof a few years ago and I couldn't be happier.”
Hands-On Roofing Co.
“Communication was clear, work was done quickly and professionally and they left no mess!”
O'Brien Fabrications Ltd.
“Anytime I have dealt with the team at O'Brien Fabrications it's been a pleasure!”
Modified Roofing Systems
“Although this is a new company Eddie & his crew bring years of excellent training & hands-on experience to their work.”
Canaarch Building Solutions Inc.
Why these companies made our list
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