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Insightschevron-rightTorontochevron-rightchevron-rightTop Toronto Architecture Firms

Top Toronto Architecture Firms

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Toronto’s architectural landscape is defined by a blend of cutting-edge modern designs, sustainable practices, and a deep respect for historical structures. Here are ten top Toronto architecture firms that excel in creating diverse spaces that reflect the city’s unique urban character.

Top Toronto Architecture Firms

1. Adamson Associates Architects

Location
401 Wellington Street West, Toronto, ON M5V 1E7


Known for sustainable, LEED-certified projects, Adamson Associates creates environmentally conscious designs that stand out on both local and international stages. Their work includes landmark projects like the Eaton Centre and Deloitte Tower, focusing on client collaboration and integrating eco-friendly designs into grand structures​.

2. B+H Architects

Location
320 Bay Street, Suite 200, Toronto, ON M5H 4A6


With over 65 years in operation, B+H Architects is renowned for transforming urban spaces with designs that meet community and economic needs. The firm offers a holistic approach, combining architecture, interior design, and landscape strategy, with notable projects that bring together functionality and aesthetics for both private and public spaces​.

3. BORTOLOTTO

Location
174 Spadina Avenue, Suite 204, Toronto, ON M5T 2C2


BORTOLOTTO’s designs are defined by a modern aesthetic and sensitivity to historical contexts, as seen in their work on the Grange Triple Double renovation. The firm’s sustainable approach and use of high-efficiency designs make them a prominent choice for clients seeking a blend of innovation and heritage preservation​ ArchitectWeekly.

4. Sustainable.TO Architecture + Building

Location
943 Queen Street East, Suite 200, Toronto, ON M4M 1J6


Sustainable.TO is committed to eco-friendly architecture, specializing in residential, institutional, and community spaces. Using passive design principles, they create energy-efficient buildings tailored to clients’ sustainability goals. Known for thoughtful design and environmental impact reduction, they are leaders in sustainable architecture​.

5. Sweeny &Co Architects Inc.

Location
134 Peter Street, Suite 1601, Toronto, ON M5V 2H2


Established in 1988, Sweeny &Co is known for combining urban design with heritage preservation. They work closely with investors and tenants to create spaces that maximize density and include sustainable features, making them a top choice for commercial and mixed-use projects​.

6. Altius Architecture Inc.

Location
358 Dufferin Street, Suite 116, Toronto, ON M6K 1Z8


Altius Architecture specializes in sustainable residential and cottage projects that blend modern aesthetics with functional, eco-friendly designs. Known for energy-efficient homes, Altius integrates green materials and building techniques, making them a prominent Toronto architecture firm for residential projects​.

7. KPMB Architects

Location
351 King Street East, Suite 1200, Toronto, ON M5A 0L6


Founded in 1987, KPMB is recognized for its award-winning approach to architecture that emphasizes sustainability, cultural impact, and social value. Their projects include high-profile public and private spaces such as academic institutions and cultural centers, exemplifying innovation and responsibility​.

8. Diamond Schmitt Architects

Location
384 Adelaide Street West, Suite 300, Toronto, ON M5V 1R7


Diamond Schmitt is internationally recognized for creating inspiring public spaces, including performing arts centers and healthcare facilities. Their approach focuses on sustainability and community engagement, making them leaders in creating iconic Toronto landmarks like the Four Seasons Centre for the Performing Arts​.

9. ICON Architects

Location
150 Ferrand Drive, Suite 500, Toronto, ON M3C 3E5


ICON Architects is known for their expertise in residential and mixed-use developments. They focus on innovative, functional designs that align with modern urban lifestyles, and their client-centered approach has made them a reputable choice for Toronto real estate projects​.

10. gh3* Architects

Location
450 Wellington Street West, Suite 101, Toronto, ON M5V 1E3
Website
http://gh3.ca/


gh3* Architects blends urban design with environmental sustainability, delivering sleek, modern designs. Known for projects like the June Callwood Park, they focus on public spaces and environmental responsibility, making them a sought-after firm in Toronto for eco-conscious clients​.

These Toronto architecture firms each bring unique strengths and styles, ranging from green building initiatives to bold urban designs and heritage conservation. For businesses, individuals, and public institutions seeking an innovative Toronto architecture company, these firms provide unmatched expertise to shape Toronto’s evolving skyline and community spaces.

Disclosure: This list is intended as an informational resource and is based on independent research and publicly available information. It does not imply that these businesses are the absolute best in their category. Learn more here.

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450 Wellington Street West, Suite 101, Toronto, ON M5V 1E3
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