Trusted Contractors in Cornwall, Ontario

ProScore has scored 58 contractors in Cornwall 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 Landscaping in Cornwall

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MacDonell's Landscape and Construction

★ 5.0 (20)

Astrologer Psychic And Clairvoyant In Cornwall Famous Medium

★ 5.0 (10)

Piscines Campbell Pools

★ 4.6 (46)

Top Bathroom Remodeling in Cornwall

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Phil's Reno and Roofing

★ 4.8 (74)

Seaway Pools & Patios

★ 4.6 (9)

J.F. Markell Homes Ltd.

★ 4.3 (6)

Top Kitchen Remodeling in Cornwall

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Artisan Kitchen and Bath

★ 4.9 (8)

Sheridan Interiors, Kitchens + Baths

★ 4.9 (11)

Seaway Bath Renovators

★ 5.0 (3)

Top Plumbers in Cornwall

Aurele St-Jean Plumbing

★ 4.6 (54)

Best Contractors in Cornwall by Trade

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

Best plumbers in Cornwall →Best electricians in Cornwall →Best general contractors in Cornwall →Best kitchen remodeling in Cornwall →Best bathroom remodeling in Cornwall →Best pest control in Cornwall →Best tree service in Cornwall →Best landscaping in Cornwall →

Browse by Category in Cornwall

Plumbers in Cornwall →Electricians in Cornwall →General Contractors in Cornwall →Kitchen Remodeling in Cornwall →Bathroom Remodeling in Cornwall →Pest Control in Cornwall →Tree Service in Cornwall →Landscaping in Cornwall →

From our research: Cornwall ranks 63rd of 64 Ontario cities for contractor trust, averaging 42.5 out of 100 across 76 scored contractors — see the 2026 Trust Index.