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Trusted Contractors in Oshawa, Ontario

ProScore has scored 197 contractors in Oshawa using government licensing records and customer reviews from 10+ data sources, with AI sentiment analysis.

TOTAL PROVIDERS
209
AVG TRUST SCORE
67
CLAIMED PROFILES
1

Top Kitchen Remodeling in Oshawa

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82
Classic Kitchens Designs & Renovations Ltd.
★ 4.9 (48)
76
Paradisaic Building Group
★ 5.0 (53)
75
Cornerstone Construction
★ 4.6 (22)

Top Electricians in Oshawa

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88
Emmons Electric Inc.
★ 4.7 (66)
84
Powersource Electric Inc.
★ 5.0 (329)
84
Doyle's Electric
★ 4.9 (68)

Top Plumbers in Oshawa

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88
Vaillancourt Plumbing & Drains
★ 4.9 (1377)
85
PR Plumbing
★ 4.8 (405)
82
Caldwell Plumbing Oshawa
★ 4.8 (34)

Top Tree Service in Oshawa

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86
Skylark Tree Care Inc.
★ 5.0 (344)
83
About the Cut Tree Service
★ 5.0 (66)
83
Genesis Landscaping
★ 5.0 (29)

Oshawa contractors by the numbers

ProScore publishes a score for 197 contractors in Oshawa. 91 of them (46%) score Trusted or Elite, 28 of those Elite.

By trade, the most scored here are 46 kitchen remodelers (12 Trusted or better), 30 electricians (14 Trusted or better) and 22 plumbers (11 Trusted or better).

Among contractors here with Google reviews, the median is 20 reviews.

How many contractors in Oshawa score Trusted or higher on ProScore?

91 of the 197 contractors with a published ProScore in Oshawa (46%) score Trusted or Elite.

Which trade in Oshawa has the highest share of Trusted contractors?

Among trades with at least 3 scored contractors in Oshawa, plumbers lead: 11 of 22 (50%) score Trusted or Elite.

In Oshawa: 46 kitchen remodelers, 32 electricians, 24 plumbers, 21 tree service pros, 19 landscapers, 18 roofers, 17 bathroom remodelers, 15 HVAC contractors, 14 pest control pros and 3 general contractors.

More scored contractors in Oshawa

Best Contractors in Oshawa by Trade

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

Best plumbers in Oshawa →Best electricians in Oshawa →Best hvac contractors in Oshawa →Best roofers in Oshawa →Best general contractors in Oshawa →Best kitchen remodeling in Oshawa →Best bathroom remodeling in Oshawa →Best pest control in Oshawa →Best tree service in Oshawa →Best landscaping in Oshawa →

From our research: Oshawa ranks 22nd of 64 Ontario cities for contractor trust, averaging 53.6 out of 100 across 209 scored contractors — see the 2026 Trust Index.