MJC Custom Contracting
“We had taken multiple quotes for this project and he was more than willing to provide competitive pricing with additional benefits that catered to our desires for the renovation.”
Best General Contractors in Fergus, ON
15 companies listed · 9 in Fergus · 3 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Regional Craftsmen
“I am very pleased to the upgrade of an existing Sunroom 20 plus years old.”
Crawford Compact Homes- Tiny Homes Builder
“He communicated with me frequently and was very helpful to overcome any obstacles with the job.”
JD Homes Fergus
“The speed at which he got the job done, and the quality of the work was awesome!”
Spruce Custom Carpentry
“Excellent attention to detail, pleasure to work with.”
Olympia Design and Construction Ltd.
“He was very clear with us when he would be coming to do the work, he was professional and so talented.”
Listed for homeowners in and around Fergus, ON, these 15 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: Fergus, ON
Of the 15 companies we list here, 9 are in Fergus itself and 6 come from Guelph (4, 20 km), Maryhill (1, 19 km) and Elmira (1, 20 km). 14 of the companies on this page have a rating, from 4.5 to 5.0 across 488 reviews; 2 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (87%) and responsiveness (76%). 3 are open on Saturdays and 1 on Sundays. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2010. 1 offers emergency call-outs; 1 offers financing or payment plans; 4 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 14 publish a contact page and 12 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why do some of these firms sit outside Fergus?
Only 9 of the 15 companies here are based in Fergus. The rest come from other towns within 25 km. Crews travel to the work, so the office address matters less than whether they will send the same people every morning and what travel time does to the price.
Palmer's Woodworking
“He just finished a beautiful custom wall unit / bookshelf for us and touched it off with lovely crown molding around the ceiling.”
Kraemer Paul Construction
“The only contractor that would offer to apply for building permits on your behalf for small renos.”
Len Robinson Construction
Waterloo Energy Products & Mechanical Inc.
“We have had our heat pump for 6 months now, and everything has worked well in both summer and winter.”
Wm. Green Roofing Ltd.
“They are the best in the business, more than fair and reasonable pricing, and we are always happy with the great service and support.”
Conestoga Contracting Group Inc.
“Prompt service to fill trailer with topsoil!”
Naturally Defined Landscapes
“Would recommend this company to anyone looking for stone work and a local business that stands behind their work!”
Malamar Construction
“They are highly responsive and punctual, having finished our kitchen in a little over a week due to a supply backlog that was of no fault of their own.”
Bluewater Energy
“The work is all high quality, they were very good with communication and updates, and went above and beyond dealing with all the paperwork and any regulatory issues that cropped up.”
Why these companies made our list
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