C & D Excavating and Tree Service
“Very happy with the results, definitely will hire again for any future work.”
Best Excavation Services in Cornwall, ON
10 contractors listed · 7 in Cornwall · 2 open 24/7 · 6 open weekends · 5 rated 4.5+
Data verified October 17, 2026
Iron Fort Construction & Renovation
“Naoufel and his professional tradespeople did a stellar job on an anything but straightforward total renovation, while working around my travel schedule.”
Robert Boileau Construction LTD
“I have had 2 Homes built by Robert Boileau Construction LTD, and I have been beyond happy with the services he was able to provide.”
Malyon Excavation Ltd (& Snow Removal)
“Mark, however was attentively directing all the action and his particular focus on the grading to ensure free drainage of water was very appreciated.”
Little Digger
“Had sewer and water changed, Little Digger did an amazing job, very thorough and very professional!”
Blair Martell Excavation & Landscaping
“Very professional young man, good work ethic and honest, highly suggested”
Listed for homeowners in and around Cornwall, ON, these 10 contractors handle digging, grading and demolition. Each listing reflects what the contractor publishes about its own equipment and coverage, while the ratings and comments are pulled from public reviews.
Area overview: Cornwall, ON
7 of the 10 contractors we list are based in Cornwall; the other 3 serve Cornwall from Long Sault (9 km), Ingleside (20 km) and Lancaster (23 km). The contractors on this page are rated from 4.0 to 5.0 across 188 reviews; 1 has 50 or more reviews and 5 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (85%), quality (80%) and responsiveness (76%). 2 are open around the clock; 6 are open on Saturdays and 5 on Sundays. 1 shows a licence on its website. 2 have ten or more years of experience, the longest 21 years. 4 offer emergency call-outs; 1 offers financing or payment plans; 2 give free estimates and 2 are family- or locally-owned. We have a website on file for 7 of the contractors on this page; 6 publish a contact page; 3 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
What do these contractors show on their sites?
7 of the 10 excavation listings here point to a website. Look for the equipment list and photos of completed sites. Machine size decides access, and a firm that shows restored, graded ground rather than only dramatic digging pictures is telling you how it finishes a job.
Sd&g Contracting
“Took longer than expected to get started, but that was due to weather conditions, and Tristan kept us informed, and did the job as soon as practical...”
David Brown Construction Ltd.
“Called with short notice because our business' septic tank was full, and they showed up within the hour.”
Losey's Haulage
“Did a great job considering considering”
Chretien Excavation Inc
Why these companies made our list
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