ZAS Group of Companies is a Canadian multidisciplinary design firm based in Toronto, Vancouver, and Dubai. Established in 1984, the company specializes in architecture, interior design, urban planning, and real estate consultancy. With a team of 51–200 employees, ZAS focuses on creating sustainable and high-performance built environments for a diverse international clientele.

The firm offers comprehensive architecture services for institutional, commercial, and residential projects, along with specialized interior design solutions for various spaces. ZAS is also involved in community-focused urban planning and provides real estate advisory and project management services. Their portfolio includes notable projects such as the Bergeron Centre at York University and the Vaughan Civic Centre Public Resource Library. ZAS is recognized for its innovative approach and commitment to user-centric design, integrating sustainable practices and smart building technologies into their work.