ATA Architects Inc.

Aspire

Trust

Achieve

For over half a century, ATA Architects Inc. has delivered award-winning architectural and heritage services across Ontario. The firm has built a reputation for intelligent, human-centered design rooted in rigorous research and community engagement. Strategically located to serve the Greater Toronto Hamilton Area and Ontario, ATA specializes in architecture, heritage conservation, and ecological design across private, public, institutional, and educational sectors. Our team brings together unique expertise, from architectural and interior design to conservation and adaptive reuse, ensuring tailored solutions that enhance both form and function. We are proud to serve a long-standing client base that includes private clients, municipalities, school boards, post-secondary institutions, and cultural organizations.

Our approach is collaborative, transparent, and driven by a passion for meaningful architecture that responds to place, history, and purpose. From reimagining 19th-century chapels and civic landmarks like St. Mark’s Church, to designing state-of-the-art academic facilities for McMaster, Humber, and York University, ATA fuses legacy and innovation. With recognized leadership in BIM, ecological design, and building envelope technologies, we create spaces that are not only beautiful and accessible but resilient for future generations. At ATA, architecture is not just about buildings, it is about shaping enduring environments where people can Aspire, Trust and Achieve.