mcCallumSather is a Canadian-owned design firm offering architecture, mechanical engineering, and interior design services.
Its clients aspire to greater than what’s always been done.
By embracing the opportunity to advance sustainable design, each project is an opportunity for positive social, financial, and environmental impact.
Its design process is collaborative, bringing together communities, design specialists and construction teams. This approach opens possibilities and prompts creative conversations necessary for change.
Its team applies their creativity and intelligence to the analysis of data, guiding decisions about process and design right for each unique project.
Advancing sustainable design intelligence
Transforming design to create a more resilient world
Joanne McCallum and Greg Sather founded mcCallumSather in 1996. Now, with over twenty years of experience, mcCallumSather has achieved an impressive record of significant industry firsts and award-winning design throughout Southern Ontario, from heritage to new construction, small community initiatives to multi-million-dollar, one-of-a-kind projects.
They currently serve the following sectors:
Science & Research
Its designers have specialties in the following services: