Trusted Contractors in Thornhill, Ontario

ProScore has scored 43 contractors in Thornhill using 30,000+ verified reviews across 10+ data sources including government licensing, customer reviews, and AI sentiment analysis.

TOTAL PROVIDERS

AVG TRUST SCORE

CLAIMED PROFILES

Top Kitchen Remodeling in Thornhill

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Ahoora Home Renovation | Basement Renovation Toronto

★ 5.0 (27)

C&S Construction

★ 5.0 (31)

Joseph Kitchen and Bath

★ 4.8 (54)

Top Plumbers in Thornhill

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Eco plumbing and drain

★ 4.8 (45)

McPipe Plumbing Inc.

★ 5.0 (244)

Paramount Plumbing Service

★ 5.0 (28)

Top Electricians in Thornhill

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Altman's Electrical Inc

★ 4.8 (21)

ACDC Electrical Tech Inc - Nearby Electrician

★ 5.0 (9)

High Master Electric

★ 5.0 (55)

Top Roofers in Thornhill

Arcamm Roofing, Insulation & Eavestrough

Best Contractors in Thornhill by Trade

See ProScore-ranked lists of the top contractors in Thornhill for each trade we cover.

Best plumbers in Thornhill →Best electricians in Thornhill →Best hvac contractors in Thornhill →Best roofers in Thornhill →Best kitchen remodeling in Thornhill →Best landscaping in Thornhill →

Browse by Category in Thornhill

Plumbers in Thornhill →Electricians in Thornhill →HVAC Contractors in Thornhill →Roofers in Thornhill →Kitchen Remodeling in Thornhill →Landscaping in Thornhill →

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.