Best General Contractors in St. Catharines, ON
23 companies listed · all 23 in St. Catharines · 11 open weekends · 20 rated 4.5+ · 2 show a licence
Data verified October 21, 2026
FB Drywall Inc.
Mitchell's Stucco and Parging
AA Design Group
Complete Casa Construction
Bevco Homes Limited
Listed for homeowners in and around St. Catharines, ON, these 23 companies take on multi-trade work, from a basement build-out to a full renovation. What each one says about licensing, hours and the work it takes on comes from its own website; ratings and quotes come from public reviews.

Area overview: St. Catharines, ON
All 23 companies we list here are in St. Catharines itself. We have 38 companies in St. Catharines on file; this page shows the highest-rated 23. The companies on this page are rated from 4.0 to 5.0 across 512 reviews; 3 have 50 or more reviews and 20 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "price" and "quality". 11 are open on Saturdays and 4 on Sundays. 2 show a licence on their websites. 5 have ten or more years of experience, the longest 30 years. 1 offers financing or payment plans; 6 give free estimates and 5 are family- or locally-owned. We have a website on file for all 23 of the companies on this page; 20 publish a contact page; 21 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.
Do any of these companies say they are licensed?
2 of the 23 listings on this page show a licence on their websites. Verify the claim with the issuing body. Then ask separately for a WSIB or provincial WCB clearance letter, which is the document that keeps a workplace injury on your property from becoming your bill.




