Morra Kitchens and Fine Cabinetry
“Very cool storage features available too for those awkward spots in the corners and things you want to hide.”
Best General Contractors in Newmarket, ON
23 companies listed · all 23 in Newmarket · 1 open 24/7 · 11 open weekends · 21 rated 4.5+
Data verified October 21, 2026
Winmar Property Restoration Specialists
“It was a big difference working with a company that specializes in insurance claims, and one that just seems to have an amazing team from our personal experience.”
Kingsridge Building Group
“The quality of work surpassed expectations and the staff were professional and really easy to deal with.”
Deckadent Decking
“Their team's skill and attention to detail are evident in every inch of the project”
Green Crew
“From start to finish, the team was professional, punctual, and attentive to every detail.”
Regal Home Group
“We had a great experience with Regal Home Group for our full house renovation.”
Listed for homeowners in and around Newmarket, ON, these 23 companies take on multi-trade work, from a basement build-out to a full renovation. What each one says about licensing, hours and the work it takes on comes from its own website; ratings and quotes come from public reviews.
Area overview: Newmarket, ON
All 23 companies we list here are in Newmarket itself. We have 50 companies in Newmarket on file; this page shows the highest-rated 23. The companies on this page are rated from 4.0 to 5.0 across 372 reviews; 2 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (95%), professionalism (92%) and responsiveness (78%). The topics that come up most in reviews of the companies on this page are "price" and "communication". 1 is open around the clock; 11 are open on Saturdays and 4 on Sundays. The services the companies on this page list most often on their websites are renovation (3), bathrooms (2), complete home renovations (2), home additions (2) and kitchens (2). 5 show a licence on their websites. 3 have ten or more years of experience, the longest 15 years. 1 offers emergency call-outs and 8 give free estimates. We have a website on file for all 23 of the companies on this page; 20 publish a contact page and 20 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any of these companies quote without charging?
The free estimate promises less on a multi-trade job, and it is advertised by 8 of the 23 companies here. Free normally buys a walk-through and a ballpark figure. A real price takes measuring, trade pricing and desk time, so design-build firms often charge for that stage and credit it against the work if you sign.
Northern Construction Management
“We are totally thrilled with our new bathroom, This was our first experience with Northern Construction Management and we couldn't be happier with the entire experience.”
P and G Renovation Ltd.
“They did a great job painting our newly built 7400 sqft home, including staining doors, windows and cedar canopies.”
Raytive Homes
“He and his team have shown professional skills and integrity throughout the entire reconstruction, and have injected positive energy into the Toronto construction industry, so I highly recommend it!”
Bost Construction Inc
“We would not hesitate to recommend Steve and Bost for your next Kitchen, Bathroom or Basement Renovation.”
Dephine Construction Inc
“I came across Dephine online and hired them for their full interior demolition services as part of my house remodel project, and I couldn't be happier with the results.”
Altcon Landscaping
“ELi and his team were 100% dedicated to our project until it was complete, the team was also considerate of our neighbourhood and respectful with parking machinery, containing the job site and managing the clean-up.”
Reno Building Canada Inc.
“They made a backyard shed pad for me, nice job and good customer service”
Ernst Wallner Contracting and Design (Ewcd)
“Not only did the units turn out fabulous, and identical in appearance to the existing ones (a critical need), but they engineered several design changes along the way that resulted in our getting a better product.”
Stile Contracting + Design
“I contacted Stile for my basement renovation, end to end the service was professional, high quality work with constant communication and updates on the construction.”
Decorest Home Improvement
“Great service, helped me with basement renovation, did a great job, fully satisfied”
G4A Inc.
“"I couldn't be happier with the fantastic work this contraction company did on my bathroom remodel!”
Avenue Decor Centre
“Excellent customer service and retail variety.”
Moderno Construction Inc.
“Exceptional installation quality and customer service.”
Cober Contracting
“Daryl is a professional and honest contractor who does great work with wonderful results.”
Crctech
“He delivered our project on time within the budget and always communicated about the scope change.”
Eon Renovations
“Happy to say that Eon is great to work with because every aspect of work is clear and at the end of the day everyone gets home with a sense of satisfaction!”
Rob Cummings Contracting
Why these companies made our list
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