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24 companies listed · all 24 in Ontario · 1 open 24/7 · 4 open weekends · 17 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Ontario, CA, these 24 companies take on multi-trade work, from a single addition to a whole-floor 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.
All 24 companies we list here are in Ontario itself. We have 39 companies in Ontario on file; this page shows the highest-rated 24. The companies on this page are rated from 4.0 to 5.0 across 198 reviews; 17 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (100%), quality (90%) and responsiveness (70%). 1 is open around the clock; 4 are open on Saturdays and 2 on Sundays. 7 show a license on their websites and 7 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 44 years. 1 offers emergency call-outs; 1 offers financing or payment plans; 7 give free estimates and 5 are family- or locally-owned. We have a website on file for all 24 of the companies on this page; 23 publish a contact page and 21 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
7 of the 24 listings on this page show a license on their websites. That is a claim you can check with the board that issued it, and worth checking, because the license belongs to a named person who may not be the one standing in your hallway.
