Quartek Group Inc
“Excellent company, professional, on time and on budget!”
Best Architects in St. Catharines, ON
15 firms listed · 11 in St. Catharines · 2 open weekends · 12 rated 4.5+
Data verified October 18, 2026
ACK Architects Studio Inc.
“They work very well with clients ensuring client needs are met.”
Parker Architects Inc.
“They designed my family's custom home and helped us get all the permits required.”
Whiteline Architects Inc.
“We had other people tell us what we wanted couldn't be done, we were so happy with the plan that Charles and Kevin came up with.”
Designs by Santy Inc
“He was able to take what we said and put it to paper and make our dreams come true.”
The House
“All done on time and on budget.”
The 15 firms listed for St. Catharines, ON provide architectural services. The building types they take, the services they include and the registrations they claim are taken from their own websites, and the ratings and quotes come from public reviews.
Area overview: St. Catharines, ON
11 of the 15 firms we list are based in St. Catharines; the other 4 serve St. Catharines from Niagara Falls (17 km) and Jordan (12 km). 13 of the firms on this page have a rating, from 4.4 to 5.0 across 95 reviews; 12 are rated 4.5 or higher. 2 are open on Saturdays and 1 on Sundays. Domain records put 8 websites of the firms on this page at ten or more years old; the oldest dates from 1998. We have a website on file for 13 of the firms on this page; 8 publish a contact page and 8 list a public email. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book.
Does it matter if the firm is outside St. Catharines?
11 of the 15 firms give an address in St. Catharines, and the others come from other towns within 20 km. Familiarity with the municipality counts, because zoning bylaws and permit practice differ from one city to the next. Ask what they have had approved locally and how site visits will be handled.
2M Architects Inc
Archway & Associate Architects
Robert Kimpinski Architect Ltd
“Very knowledgable and helpful with guiding me through zoning, permit and overall process.”
Mikuska Design
Brouwer Architecture Inc.
Book onlineBook
Jordan Station Design Co. Inc.
“Kristen who is one of the Intermediate Architecture Designers created plans for our home renovation and addition and did an excellent job.”
Corriveau Cadd
“I cant say enough about how great it was working with mike.”
Chapman Murray Associates Architects Inc.
“Chapman Murray Associates Architects have provided exceptional design concepts and have exceeded all expectations through out the planning and execution of our project and we would recommend the firm to anyone looking for residential additions.”
Peter J Lesdow Architect
Why these companies made our list
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