Firm Profile

McCallum Sather Architects (MSA) is a leading architectural firm based in Hamilton, Ontario, with a special focus on sustainable design. We provide quality architectural, interior, and environmental design services through an interdisciplinary perspective and integrated design approach.

Established in 1996 by Joanne McCallum and Greg Sather, the work of MSA involves creatively innovative and technically rigorous solutions that are sensitive to the unique relationship between environment, site, client, function and aesthetics.

Our breadth of experience includes both renovation and new construction, with projects ranging in size from small community initiatives to greater than $50 million, large institutional ones.  Regardless of size however, it is always our aim to provide exemplary professional consulting services to our clients by understanding our client needs and requirements, and by engaging in an integrated design process with the objective of developing client driven design responses and technical excellence.