Best Roofing Contractors in Janesville, WI
15 companies listed · 11 in Janesville · 2 open 24/7 · 8 open weekends · 12 rated 4.5+
Data verified October 20, 2026
ABC Seamless
Distinct Exteriors & Roofer in Janesville
Legan Construction & Remodeling
Advanced Construction
DMR Exteriors
Listed for homeowners in and around Janesville, WI, these 15 companies take roofing work. What each one claims about tear-offs, materials and workmanship cover is taken from its own website; ratings and quoted lines come from public reviews.

Area overview: Janesville, WI
Of the 15 companies we list here, 11 are in Janesville itself and 4 come from Beloit (3, 10 mi). The companies on this page are rated from 4.0 to 5.0 across 435 reviews; 2 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (85%) and responsiveness (83%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "estimates". 2 are open around the clock; 7 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are gutters (2), roofing (2) and siding (2). 4 show a license on their websites; 1 lists staff certifications (GAF) and 5 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 37 years. 2 offer emergency call-outs; 4 offer financing or payment plans; 10 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. 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.
Do roofers listed for Janesville quote at no charge?
Free estimates are stated by 10 of the 15 companies on this page. A free visit is normal for roof work, but it is a sales call as well as an inspection, so ask for the findings in writing with photos of what was seen up there. Get a second look before you commit to a full replacement.
Weather Seal Insulation and Roofing
Budget Home Improvement Inc.
Manthei Roofing Inc.
All Exteriors Plus
Total Exteriors LLC
Aurum Contracting
Above the Peak Construction LLC
H&H Exteriors LLC
Tabco Roofing & Siding
Why these companies made our list
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