ADN Design
“Extremely efficient, at all phases of the project, I highly recommend his company for any project you have in mind.”
Best Interior Designers and Decorators near Saint-Constant, QC
These firms serve Saint-Constant from nearby bases in towns including Saint-Laurent, Montreal and Saint-Hubert.
15 firms listed · 1 open 24/7 · 2 open weekends · 14 rated 4.5+ · 3 show a licence
Data verified October 21, 2026
LUX Decor
“Their process makes such that their proposal aligns very well with your taste and hence "first time right".”
Cuisines Rive-Sud
“Thanks to Noémy Asselin for the design and conception of our dream kitchen as well as Pierre and Simon for the impeccable installation.”
Simplespace
“Line, our designer, understood what we wanted and came up with a design that met our needs exactly and came up with a couple of excellent ideas we had not thought of.”
Planchers GSM
“Undeniably a place to discover for the decoration, a huge choice especially for the floors, very friendly and qualified staff, there is something for everyone and the prices vary enormously depending on our budget, of course.”
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EL Concept
“Eric and his team are very professional and were very attentive to my needs.”
The 15 firms listed for Saint-Constant, QC take on interior projects. The rooms they specialize in, the credentials they claim and the stages their service covers are all drawn from their own websites, alongside ratings and quotes from public reviews.
Area overview: Saint-Constant, QC
The 15 firms on this page are rated from 4.4 to 5.0 across 404 reviews; 2 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (93%), quality (80%) and responsiveness (63%). 1 is open around the clock and 2 are open on weekends. 3 show a licence on their websites. Domain records put 5 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 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 firms on this page; 14 publish a contact page and 14 list a public email. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book.
Where can I see a firm's finished projects?
Websites appear on all 15 listings here. Look past the styling for evidence of layouts changed and problems solved, and for homes of your vintage. Ask which projects the firm ran from start to finish and which it only furnished, since the photographs rarely say.
IN
“Great service easy to work with always on time and no surprises very professional”
Les Stéphanies
“Hello to you dear Stéphanies, what can I say, you are wonderful and very talented!”
La Boutik Urbaine
“Catherine came to my house and managed to transform my apartment to the point where I wondered if I should really leave it...”
Nancy In Design l Designer Intérieur
“Recently, we even collaborated remotely on the design of my condo in Florida.”
Studio Angel & Co
“Our project excited him to the highest degree, which greatly contributed to the confidence he felt, knowing that everything would be done to our total satisfaction.”
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Crio Studio Design
“Alexandra and her team offer very professional turnkey services.”
Philomena Sweetman Broker MTL
“She listened to our needs, was proactive with suggestions, and helped us secure our new home.”
Planit Construction
“No shortcuts for what needs to be done and they always work hard to save the clients money.”
Hampton Style & Design
“High quality service and professionalism to the touch.”
Why these companies made our list
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