Live In Style
“She got on endless phone calls with us, gave us great recommendations and is really positive.”
Best Interior Designers and Decorators in Thornhill, ON
24 firms listed · 15 in Thornhill · 2 open 24/7 · 14 open weekends · 20 rated 4.5+
Data verified October 19, 2026
Quadrant Architects
“Their expertise spans architectural and structural design, attentive follow-up during operations, and even valuable assistance with interior design.”
Artycon
“If you are looking to renovate your home, I would recommend contacting Artycon.”
RZ Interiors
“Shima took the time to underestand our personal style as well as our lifestyle needs and incorporated our ideas while also introducing innovative concepts we would not have thought of on our own.”
Total Home Decor Inc
“Total Home Decor Inc has done wonderful re-decorating and renovations in our home over the last 30 years.”
Canashade Design
“The staff was incredibly knowledgeable, helping me choose the perfect blinds and shades that matched my home's decor and my personal style.”
The 24 firms listed for Thornhill, ON 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: Thornhill, ON
15 of the 24 firms we list are based in Thornhill; the other 9 serve Thornhill from towns including Toronto, Brampton and Concord. 22 of the firms on this page have a rating, from 4.3 to 5.0 across 901 reviews; 9 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (91%), responsiveness (87%) and quality (85%). The topics that come up most in reviews of the firms on this page are "cleanliness", "communication" and "estimates". 2 are open around the clock; 14 are open on Saturdays and 5 on Sundays. 2 show a licence on their websites. Domain records put 8 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 2 offer emergency call-outs; 2 offer financing or payment plans; 6 give free estimates and 2 list coupons or special offers. We have a website on file for 23 of the firms on this page; 21 publish a contact page and 22 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 23 of the 24 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.
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Expose Design Group Inc.
“Last year i had a great experience with Expose team , about interiore desighn in my house,i recommend them to every one”
Al-D Home Improvement Solutions
“We are delighted with our renovated kitchen and with the service we received from Al-D Company.”
Dreams Luxury Design
“Thank you for your best idea and project.”
Vaisman Design
“He helped us tremendously choosing the right contractors and the right materials to make our place unique and standout.”
B.Y. Designs Inc.
Elysha Interiors
“Her knowledge and wonderful taste and the ability to work with any budget given to her or an unlimited budget was fantastic, I would highly recommend her for any project, big or small.”
Stephenson Design Associates Inc
Performance Staging
Mazi Interior Design
“It was great pleasure working with Mazi on our master bathroom design project!”
The Mills Team
“Sue, Katie, and the entire team went above and beyond taking care of repairs, staging, and executed a flawless sales strategy that sold our house in less than a week with multiple offers over asking price.”
Interior Nation
“I have no hesitation in saying that if you are looking for professionalism, punctuality, precision, perfection and price then keep Kitchen Nation foremost in mind.”
Easy Afford Kitchen Renovation
“Alex and his crew did a great job removing old counters/backsplash and repairing holes in drywall.”
Level Up Group Consulting Inc.
“Michael made sure that my questions were always answered and that the finished product would look beautiful and would be something that he would be proud to put his name on.”
Emerald Professional Painters
“We hired emerald painters to do our complete house interior painting, Cam was very responsive throughout the process.”
LUX Design Inc.
“They were able to transform my empty place to a beautiful cozy home in a couple of weeks!”
The Organizational Stylist
“She expertly created an office space for me that is not just great to look at but highly functional too.”
Jamie Dempster Team
“He listened to our fears and concerns and was always available with a personal touch.”
Direct Interiors
“The staff at Direct Interiors have been a great help to me and my clients for decades now.”
Why these companies made our list
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