Rainbow Landscaping & Design Inc
“Their team is not only driven and top-notch in their expertise but also committed to ensuring our requirements were met.”
Best Landscape Architects and Designers near Thornhill, ON
3 of these companies are based in Thornhill; the others serve Thornhill from towns including Concord, Mississauga and North York.
3 open 24/7 · 18 open weekends · 22 rated 4.5+ · 3 show a licence
Data verified October 18, 2026
Willand Grounds
“They get the job done right.”
Decor Plus Renovation
My Landscapers
“From the first call to the end result, their professionalism, knowledge, detail oriented and reliability was everything I had hoped for.”
VIP Paving & Interlocking Contractors Toronto
“The team at VIP paving did a great job excavating and paving our driveway.”
Action Home Services
“Our initial point of contact was Dmytro with whom we had multiple back-and-forth regroups and brainstorming sessions, and we were very pleased with his diligence, quick response, and responsibility.”
Listed for homeowners in and around Thornhill, ON, these 24 companies draw plans for yards; the building is done by someone else. Portfolios, service descriptions and hours are taken from each company's own site, and the ratings beside them come from public reviews.
Area overview: Thornhill, ON
The 24 companies on this page are rated from 4.2 to 5.0 across 1,746 reviews; 20 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (92%), quality (89%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "estimates", "price" and "efficient". 3 are open around the clock; 17 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are snow removal (4), landscaping (3), interlock (2), interlocking (2) and landscape lighting (2). 3 show a licence on their websites. Domain records put 11 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 3 offer emergency call-outs; 1 offers financing or payment plans; 16 give free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 22 publish a contact page and 23 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any listed landscape designers say they are licensed?
3 of the 24 listings show a licence on their websites. Where the title is protected, the provincial association keeps a register you can search, so check the name rather than the logo on the website. For a domestic garden with no permit attached, the credential matters far less than the portfolio.
Certified Landscaping
“Went above and beyond to help me create a whole blueprint for my garden at no cost.”
Luke's Landscaping
“He finished off two window wells and made my wife a garden bed.”
Pro Green Irrigation
“Got the system up and running, provided solutions for several future landscaping projects.”
JHC Landscaping Inc
“JHC fixed the grading of our front lawn and installed new sod after some driveway and concrete work we had done.”
Del Grande Homes
“Wade and his team did a fantastic job with our landscaping project.”
Valley Interlock and Landscaping
“The worked on our property for almost a month and each of the workers was pleasant and friendly to us and our kids.”
Sunready Landscaping
“Easily took care of a few last minute changes with no issues.”
Mvr Landscaping and Interlocking
“Simon helped us with some repairs to our driveway and walkways (we had existing stone work that needed some maintenance along with a small extension).”
GTA Landscaping Vaughan
“They are great experts and through their advice and guidance, I was able to achieve a superior result that had exceeded all of my expectations.”
Aurora Interlock & Pools Inc.
“Couldn't be happier with the landscaping job Nick and his team did for us (front landing and steps, backyard patio and laying new sod for the entire front yard) .”
Greenbloom Landscape Design Inc.
“They worked so hard putting mulch down and went over and above in making our garden look good.”
Mr.sod
“Excellent service at a reasonable price.”
Kings Valley Paving Inc.
“Early on, we had correspondence with the head office, which was good - but we were even more pleased to have Jim come out and have a look at our property to refine the estimate and offer suggestions and recommendations.”
Julie Hull Landscape Design
“Julie was friendly, easy to work with and creates a design that was both practical for the contractors to create and exactly what we wanted.”
Green Warriors Landscaping and Construction
“Sooo happy with my new front and back yard grass (pics are before and after front)”
Cactus Landscaping & Construction
“They were competitive, however, the decision to proceed with Cactus Landscaping was due to their very professional proposal, and constructive approach recommending SOLUTIONS to some of our challenging site problems”
Kenneth Morgan Pools & Landscaping
“My wife had a specific vision in mind for the last 8 years, it seemed like it was impossible to replicate from paper but Kenneth and his team did it.”
Green Apple Landscaping
“From the design through to the build, they were professional and knowledgeable, taking the time to answer my questions.”
Why these companies made our list
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