Best Civil, Structural and Environmental Engineers in Newmarket, ON

15 companies listed · 8 in Newmarket · 4 open weekends · 9 rated 4.5+

Data verified October 19, 2026

Bistone Design

Bistone Design

5.0 10 reviews
“He took the time to listen to my ideas and make them come to life in a safe and reasonable way.”
Since 2021
187 Main St S suite 201
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Exco Engineering

Exco Engineering

4.5 5 reviews
“Hes efficient, communicative, and always delivers more than we expect or outline!”
Since 1974
1314 Ringwell Dr
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A-D Engineering Group Ltd.

A-D Engineering Group Ltd.

4.3 8 reviews
“Terry is punctual, professional and considerate throughout his involvement in our projects - we would highly recommend AD Engineering to anyone in need.”
LicensedSince 1986
75 Main St S
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Gunnell Engineering

Gunnell Engineering

5.0 2 reviews
“They do good work with happy customers also.”
Serves Southern Ontario
1110 Stellar Dr
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BK Consulting Inc

BK Consulting Inc

4.2 4 reviews
“I recently had the pleasure of working with BK Consulting Inc, and I couldn't be more impressed with their level of professionalism, expertise, and commitment to delivering outstanding results.”
Serves CanadaSince 2005
3-490 Harry Walker Pkwy S
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Ontario Traffic Inc

Ontario Traffic Inc

5.0 1 review
Since 1989
17705 Leslie St #6
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Listed for property owners in and around Newmarket, ON, these 15 companies do engineering work for properties. Listings show the disciplines each firm names on its own website, from structural to municipal site work and environmental assessment, with ratings and quotes from public reviews.

Area overview: Newmarket, ON

8 of the 15 companies we list are based in Newmarket; the other 7 serve Newmarket from Aurora (6 km) and Richmond Hill (21 km). 13 of the companies on this page have a rating, from 3.9 to 5.0 across 186 reviews; 9 are rated 4.5 or higher. 4 are open on Saturdays and 3 on Sundays. 6 have ten or more years of experience, the longest 30 years. 2 give free estimates and 1 is family- or locally-owned. We have a website on file for all 15 of the companies on this page; all 15 publish a contact page and 11 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.

How do I tell which firm suits a house?

Websites are listed for all 15 firms on this page. Look at project types. A practice geared to municipal infrastructure or industrial plants may not want a beam job, while a small residential structural firm will turn it round faster and cheaper. Say the scope plainly on the first call.

Municipal Transit Solutions

Municipal Transit Solutions

Since 2020
17665 Leslie St
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Quaile Engineering Ltd

Quaile Engineering Ltd

Since 2012
38 Parkside Dr
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C Con Co Engineering and Construction Inc.

C Con Co Engineering and Construction Inc.

5.0 10 reviews
“With the expertise and client care that CCON CO offers to its clients, it certainly provides more certainty that clients are delivered an end product that matches the project success criteria defined in the initiation phase.”
Serves Aurora, Barrie +10Since 2021
Aurora, ON · 6 km from Newmarket
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Deltoid Consulting Inc.

Deltoid Consulting Inc.

5.0 16 reviews
“I worked with Deltoid Consulting for our renovation project, they helped us with the new design to finish legal basement and remove a few load bearing walls for our main floor, the end result was spectacular.”
Since 2020
Richmond Hill, ON · 21 km from Newmarket
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Duku

Duku

4.9 18 reviews
“DUKU returned our message quickly and came out to inspect the problem we had in our home.”
Free consultationServes Toronto, Stouffville +11Since 2010
20 km from Newmarket
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Elmid Design Inc.

Elmid Design Inc.

4.1 18 reviews
“Since the beginning to the end he has been very helpful and took care of all design and application process, until permit was issued.”
LicensedServes Toronto, Richmond Hill +8Since 2016
Richmond Hill, ON · 21 km from Newmarket
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Book onlineBook
Q Engineering

Q Engineering

4.7 13 reviews
“Although there were no pre-existing drawings to rely on, Sam was able to deliver my drawings within a couple of weeks.”
Serves Ontario
Richmond Hill, ON · 21 km from Newmarket
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Megalab Group Inc.

Megalab Group Inc.

4.6 4 reviews
“Professional and knowledgeable staff for our compliance testing needs.”
Free estimatesReplies within 1 business dayISTA-certifiedSince 2021
Aurora, ON · 6 km from Newmarket
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Renoasis

Renoasis

3.9 16 reviews
“Great customer service and they back up their product”
Free consultationSince 2020Serves Toronto, York Region +5Family-ownedVirtual consultations
Aurora, ON · 6 km from Newmarket
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Why these companies made our list

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