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Trusted Contractors in St Thomas, Ontario

ProScore has scored 46 contractors in St Thomas using 30,000+ verified reviews across 10+ data sources including government licensing, customer reviews, and AI sentiment analysis.

TOTAL PROVIDERS
48
AVG TRUST SCORE
62
CLAIMED PROFILES
0

Top Plumbers in St Thomas

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77
Total Plumbing Solutions
★ 4.9 (79)
75
Elgin County Plumbing
★ 5.0 (302)
74
Ambrose Plumbing & Heating
★ 4.6 (128)

Top General Contractors in St Thomas

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71
PMD Excavation Construction
★ 5.0 (46)
68
Hayhoe Homes
★ 4.5 (38)
66
Gilbert Contracting & Renovations Ltd
★ 4.5 (16)

Top Roofers in St Thomas

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69
DB Interiors and Exteriors
★ 5.0 (14)
63
Mkenzie Roofing
★ 5.0 (53)
63
Kettle Creek Roofing
★ 5.0 (36)

Top Electricians in St Thomas

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73
Yates Electrical Services
★ 4.8 (63)
72
Waite Bros Electric Ltd
★ 4.7 (13)
66
MS Electric Inc.
★ 5.0 (3)

Best Contractors in St Thomas by Trade

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

Best plumbers in St Thomas →Best electricians in St Thomas →Best roofers in St Thomas →Best drywallers in St Thomas →Best general contractors in St Thomas →Best tree service in St Thomas →

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.