BDP Quadrangle designs for the good of clients and communities.

We’re a multidisciplinary architecture, master planning, and interior design practice based in Toronto, Canada with projects spanning the spectrum of the built environment focusing on mixed-use, residential, retail, commercial, content media and other projects. We are also renowned for our expertise in adaptive reuse, sustainability and accessible design.

For 35 years, we’ve set ourselves apart through our creativity, business acumen and lasting client relationships.

We believe that beauty and business go together, working with clients to achieve thoughtful architecture and design. Relationships are at the centre of everything we do. We help our clients achieve their goals and foster a positive studio culture that feeds our passion for design. Regularly in the media, headlining conferences, and receiving local and global awards, we are collectively and proudly shaping the future of our built environment.