Mkenzie Roofing
“I've seen the quality of their work and the professionalism they bring to every job.”
Best Siding Contractors near St. Thomas, ON
2 of these companies are based in St. Thomas; the others serve St. Thomas from London (24 km) and Aylmer (16 km).
4 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Jenkins Roofing & Construction
“They let me see the progress as they were completing the job and were happy to answer any questions I had, which gave me a lot of confidence in the quality of the work.”
London Eavestrough and Siding
“I was amazed at how efficiently the team worked—the entire job was completed in under four hours, and the quality is outstanding.”
1st Choice Home Solutions
“They also cut a wide opening in my plywood soffits and installed vented soffits.”
Teichroeb Exteriors Inc.
“Great guys, I had some siding damage and they came out after hours on a Friday to repair it.”
Elgin Roofing
“Thanks to John and Peter at Elgin Roofing for looking after the repairs done at my home .”
Listed for homeowners in and around St. Thomas, 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: St. Thomas, ON
The 15 companies on this page are rated from 3.6 to 5.0 across 1,508 reviews; 8 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (89%), quality (85%) and responsiveness (76%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 4 are open on Saturdays. 9 have ten or more years of experience, the longest 27 years. 1 offers emergency call-outs; 6 offer financing or payment plans; 9 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 12 publish a contact page; 12 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.
Are all of these companies based in St. Thomas itself?
No. 2 give an address in the city, and the rest cover it from within 25 km. This work is scheduled well ahead, so travel is rarely the problem. Ask instead where you sit in the season, since exterior work here gets squeezed into the warm months.
Murray Shaw Roofing
“I said I will go with Murray Shaw as they have been in business a long time and have a good name I know.”
Courtney Roofing Inc.
“Even sent photos of the finished job as I wasn't present to validate the job.”
Legacy Flat Roofing & Sheet Metal (Call US Here)
“We really appreciated his honest assessment and practical approach, which gave us confidence that he was recommending what was best for our roof rather than the most expensive option”
519 Roofing
“From the first meeting thru the quotation and actual job completion a totally professional outfit!”
La Fleche Roofing (1992) Ltd
“The Lafleche crews have completed many high profile roof projects with me and I have been very happy with the installation and after installation service every time.”
Complete Consultation & Construction Inc.
B&B Roofing & Exteriors
“They also offered a price that couldn't be beat by any other company.”
Southwest Exteriors Canada
“The finished product is of high quality and the end result is important but what's equally important is the professionalism and trust that I had in the crew.”
All Pro Roofing & Sheetmetal Ltd.
“Right from the start to the finish they were very knowledgeable and answered all my questions I have had about the job”
Why these companies made our list
What customers say about companies near St. Thomas
- “My roof and siding look great and I would highly recommend them.” — customer of Jenkins Roofing & Construction
- “Both the roof and siding crews were very meticulous in their work as well as being pleasant to have around.” — customer of B&B Roofing & Exteriors
- “Execution of siding, soffit and fascia install by an extremely professional team was punctual and precise.” — customer of Teichroeb Exteriors Inc.
- “They had competitive pricing and got the job done quickly to repair some eaves and a damaged corner of siding.” — customer of London Eavestrough and Siding
- “London Eavestrough & Siding did an incredible job. The crew were efficient from start to finish.” — customer of London Eavestrough and Siding
Excerpts from public reviews of the companies listed on this page.
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