Pacific Sierra
“The team was incredibly professional and knowledgeable, guiding us through every step of the process with transparency and expertise.”
Best Roofing Contractors in Nanaimo, BC
10 companies listed · 8 in Nanaimo · 3 open weekends · 6 rated 4.5+ · 1 shows a licence
Data verified October 27, 2026
Erickson Roofing
“BUT this year, I had a question about it and they sent a really nice and knowledgeable tradesman named Dylan and he went above and beyond and found problems completely unrelated to the roof which really saves us a lot.”
Alpine Roofs
“One of the few who responded with a quote in Nanaimo and was very detailed in the work to be done.”
Nanaimo Roofing Company
“All of our questions were answered, he made sure to update us through out the entire process.”
Milne Roofing
“I was fully impressed by the professional quality of their work and the care they took in the details of working with some of the unique challenges our older home presented.”
Vanderleek Roofing Inc
“Best flat roofer on the island”
Listed for homeowners in and around Nanaimo, BC, these 10 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: Nanaimo, BC
8 of the 10 companies we list are based in Nanaimo; the other 2 do not publish an address. 9 of the companies on this page have a rating, from 3.9 to 5.0 across 451 reviews; 4 have 50 or more reviews and 6 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "price", "crew" and "estimates". 3 are open on Saturdays and 1 on Sundays. 1 shows a licence on its website. Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 6 give free estimates and 2 are family- or locally-owned. We have a website on file for all 10 of the companies on this page; 9 publish a contact page and 7 list a public email. 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.
Why are some of these roofers based elsewhere?
An address in Nanaimo itself is given by 8 of the 10 companies; the others cover the area from within 30 km. Travel is normal in this trade. Ask how far out they come in winter, when a leak call and a snowy drive do not mix.
Ridgeview Roofing
“They provided me a lot of really useful advice, answered all my many questions fully and then refused to take my money even when I offered - inspections are free 🙂 Professional and Knowledgeable, would recommend.”
First Shot Contracting
Oceanside Roofing Ltd.
“Chris and Dano and Kirk who did the work of replacing my roof were always on time and cleaned up everyday.”
Starlight Home Services Ltd
“Apart from cleaning my gutter he also took care of dirt splashes on my property as well as everything that splashed over to my neighbours' property.”
Why these companies made our list
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