mcCallumSather is a Canadian-owned, multi-disciplinary team offering architecture, mechanical engineering and interior design. Our respect and appreciation for the environment runs deep, informing our thinking on decisions from building siting and orientation to material and system selection. Our team of experienced professionals share the goal of achieving design excellence and collective focus on sustainability. Our commitment to empowering teams, integrating with the construction industry, continuous learning and cultivating lasting relationships leads to inventive solutions that stand the test of time.