Brown and Storey Architects (B+SA) is a Canadian architecture practice based in Toronto, Ontario.

The company employs multi-disciplinary professionals – urban designers, architects, landscape designers, technologists and visualization experts – producing designs and research studies in public space, urbanism, infrastructure, recreation landscape, water treatment plants and more. B+SA is well known for their design of Yonge-Dundas Square, Toronto's busiest public space. They have designed many of Toronto’s best known streets and public spaces.