About Us

Whiteline Architects is an Architectural and Interior Design firm providing a broad spectrum of Professional Services including architecture, interior design, space planning, master planning, feasibility and assessment studies, custom fitment design and corporate image development. Since our incorporation in 1985 our portfolio of commissions has included a wide variety of project types and scales over a diverse field of practice.


Whiteline Architects believes in the realization of our Clients’ vision in an architectural design, which appropriately responds to their unique program and objectives. Addressing each project on its own merits, we work in concert with our Client to provide imaginative, cost-effective, and responsive design solutions.


In practice, we view the Client as an integral member of the Project Team and uphold a commitment to Service excellence throughout the full project cycle and beyond Final Occupancy. For nearly two decades, our practice has emphasized responsible Services, which place top priority on understanding and fulfilling our Clients’ needs.

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83 Ontario St
St. Catharines, ON L2R 5J5