PROJECTS The Joyce Centre For Partnership & Innovation PROJECTS YW KW Transitional Housing PROJECTS Gage Park Greenhouse PROJECTS The Ballroom Bowl Yorkville News The Future of Lab Design: Achieving Modernity Without Compromise Canadian Consulting Engineer Conversation: Engineering net-zero libraries Canada can tackle affordable housing by scaling what works Globe and Mail - Future centre paves the way for community hubs using Indigenous design principles BlogTO: A Toronto library will be closed for years for a major glow-up Panel Installation Begins on St. Clare's at 1120 Ossington Toronto Public Library's Centennial Branch Renovation Breaks Ground Bonus Episode: Morgan Wright and Christina Boyer of mcCallumSather - Passive House CA Conference Progress on Kitchener Public Library Community Branch mcCallumSather Recognizes Outstanding Team Achievements with Key Advancements 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 The Joyce Centre for Partnership & Innovation Valley Park Community Centre Branch 1620 Main St. East B1/B1 Lab Renovations Validation, Prototyping and Manufacturing Institute The Ballroom Bowl Yorkville Customer Experience Centre Gage Park Greenhouse Glove Box Office Redevelopment Lash Miller Chemistry Building Expansion Case Study The Future of Lab Design Case Study A New Net-Zero Standard Case Study Data-Driven Design: A Proven Study