Groupe DGS
“I don't know if I got the boss on the phone (I think so) but the person was VERY honest in their approach.”
Best Civil, Structural and Environmental Engineers near Châteauguay, QC
2 of these companies are based in Châteauguay; the others serve Châteauguay from towns including Montreal (21 km), Saint-Laurent (17 km) and Laval (23 km).
1 open 24/7 · 5 open weekends · 12 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Servitech International
Akton Injection
“Thanks to Luke , Aktons amazing sales rep, the job was completed exactly as he designed and explained it to us”
Onesta Bâtiment Conseil
“The explanations of the engineer from the firm “Onesta building consultancy”, concerning the extent of the subsidence problem, were very clear and helped me a lot to plan the necessary budget for the repairs.”
Maitre Inspecteur
“Exemplary availability to answer our many questions...”
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Be3i Ingénieurs
“My best experience with an engineering office!”
Listed for property owners in and around Châteauguay, QC, 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: Châteauguay, QC
The 15 companies on this page are rated from 4.2 to 5.0 across 555 reviews; 2 have 50 or more reviews and 12 are rated 4.5 or higher. 1 is open around the clock; 4 are open on Saturdays and 3 on Sundays. 1 shows a licence on its website. 9 have ten or more years of experience, the longest 27 years. 1 offers emergency call-outs; 3 give free estimates and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 12 publish a contact page and 13 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.
Gestion Sismique
“Professional work, very polite and courteous employee.”
Genispec
“We highly recommend Genispec for all condominium associations looking to optimize their contingency funds and ensure that their building is in good condition thanks to an up-to-date maintenance log and a regularly updated condition certificate.”
Structural Engineer Groupe Sbse Ingenieur en Structure
“They are very professional and the best in the business !”
Services d'Alignement Oasis Ltée
NCL Envirotek Inc.
“Excellent service, professional , on time and on budget !!!”
Structural Engineer
“He really went above and beyond with delivering the plans and then responding to all our questions and changes.”
Consultants Facades Plus
“The technical documents are impeccable and with great detail.”
Mecanica Solutions
Groupe Conseil Genipur Inc
Why these companies made our list
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