Trusted Contractors in Cornwall, Ontario

ProScore has scored 58 contractors in Cornwall using government licensing records and customer reviews from 10+ data sources, with 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 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 Bathroom Remodeling in Cornwall

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Phil's Reno and Roofing

★ 4.8 (74)

Seaway Pools & Patios

★ 4.6 (9)

Perras Distefano Construction & Design Services

★ 5.0 (3)

Top Plumbers in Cornwall

Aurele St-Jean Plumbing

★ 4.6 (54)

In Cornwall: 15 landscapers, 13 kitchen remodelers, 12 bathroom remodelers, 8 general contractors, 8 plumbers, 7 tree service pros, 3 electricians, 3 pest control pros, 2 drywallers, 2 HVAC contractors and 2 roofers.

More scored contractors in Cornwall

84Millennial Contracting Inc.general contractor · 4.8★ from 43 Google reviews
80JSM Elite Contractinggeneral contractor · 5.0★ from 20 Google reviews
80Menard Robertson Custom Homes and Renovations Inc.general contractor · 4.8★ from 12 Google reviews
75Baker Heating & Air Conditioning Ltd.HVAC contractor · 4.9★ from 425 Google reviews
75C & D Excavating and Tree Servicetree service pro · 4.6★ from 87 Google reviews
75Iron Fort Construction & Renovationplumber · 4.3★ from 59 Google reviews
74Vision Landscaping & Designtree service pro · 5.0★ from 15 Google reviews
71Robert Boileau Construction LTDgeneral contractor · 5.0★ from 2 Google reviews
70TrueCon General Contractors Ltd.general contractor · 5.0★ from 1 Google review
68Blair Martell Excavation & Landscapinglandscaper · 5.0★ from 2 Google reviews
68Bourgon Constructiongeneral contractor · 5.0★ from 3 Google reviews
68Grant Marion Constructiongeneral contractor · 4.5★ from 19 Google reviews
65Boileau Mechanical LtdHVAC contractor · 5.0★ from 14 Google reviews
65Lupien Jean Plumbingplumber · 4.8★ from 17 Google reviews
641st Drywalldrywaller · 5.0★ from 17 Google reviews
63Superior Plumbing & Heating of Cornwallplumber · 4.2★ from 74 Google reviews
62Bourgon Landscapingtree service pro · 4.1★ from 14 Google reviews
61John Gordon Constructiongeneral contractor · 5.0★ from 1 Google review
52Leroux property maintenancelandscaper
52Little Diggerlandscaper
51BladeRunners Lawn Carelandscaper
51Splendid Scapeslandscaper
50Dpp construction drywall design customdrywaller · 5.0★ from 1 Google review
50Matar Custom Designkitchen remodeler · 4.8★ from 5 Google reviews
48O'Neil Pest Control Servicespest control pro
47Cornwall Renovations JSM Elitekitchen remodeler · 5.0★ from 4 Google reviews
47Your Vision Contractingbathroom remodeler · 3.0★ from 2 Google reviews

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.