General Contractors in Ontario
2,372 general contractors in Ontario with multi-platform trust scores.
Top-rated general contractors in Ontario
- 1Duane Erb Construction Inc· Waterloo81/100
- 2M & D Buildings· Mississauga81/100
- 3AS Construction· Oakville80/100
- 4Joe's Carpentry· Norwich80/100
- 5Menno S Martin Contractor Limited· Waterloo80/100
- 6Stallion Construction Group Inc.· Mississauga79/100
- 7Summit Contractors· Richmond Hill79/100
- 8Astaneh Construction· Toronto78/100
- 9Done-Right Construction and Renovations Inc.· Pembroke78/100
- 10Goodridge Contracting· Scarborough78/100
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Frequently Asked Questions
How much does a general contractor cost in Ontario?
General contractors typically charge 10–20% of total project cost as their management fee. For scale, a complete kitchen renovation runs $25,000–$75,000 and a bathroom renovation $10,000–$35,000.
Do general contractors need to be licensed in Ontario?
General contractors building new homes must be registered with HCRA (Home Construction Regulatory Authority). For renovations, verify WSIB and liability insurance.
What should a contractor’s quote include?
A detailed quote should include scope of work, materials, labour costs, timeline, payment schedule, warranty terms, and permit responsibilities.
How do I verify a general contractor in Ontario?
Check HCRA registration for new builds, verify WSIB status, confirm liability insurance, read multi-platform reviews, and check the Ontario Consumer Beware List.
From our research: Ontario contractors average a trust score of 54 of 100, and 74.7% of those rated 4.5 stars or higher fall below the Trusted bar — see the 2026 Trust Index.