PROJECTS Kitchener Public Library Southwest Community Branch PROJECTS 1620 Main St. E. PROJECTS 1120 Ossington PROJECTS YW KW Transitional Housing PROJECTS Earth Sciences & Chemistry Building Third Floor Renovation News Evolving Historic Places of Worship - Canadian Architect New Renderings Released for Biindigen Well-Being Centre 1120 Ossington Wins at the Wood Design & Buildings Awards UWaterloo - Green labs bring Science into the twenty-first century Hamilton Health Sciences takes ownership of new West Lincoln Memorial Hospital Supportive Housing Graces an Adapted Toronto Church - Azure Magazine 1120 Ossington Named Winner at Toronto Urban Design Awards KPL Southwest Branch: Shaped by Community Voices Matt Bolen shares design insights on 1620 Main St. E. in SABMag Article Canadian Architect shares completion of 1620 Main St. E. About mcCallumSather is a Canadian-owned, multi-disciplinary team offering architecture, mechanical engineering and interior design. Careers Explore career opportunities in architecture, mechanical engineering and interior design. Latest Projects Biindigen Well-Being Centre Southwest Community Branch 1120 Ossington 1620 Main St. E. 60 Bowden Gakina Awesiinyag Henry's on James 215 Wellesley St. 60 Caledon St. Keaton's House Case Study The Future of Lab Design Case Study A New Net-Zero Standard Case Study Data-Driven Design: A Proven Study