KPMB is a Canadian architecture firm founded by Bruce Kuwabara, Thomas Payne, Marianne McKenna, and Shirley Blumberg, in 1987. It is headquartered in Toronto, where the majority of their work is found. Aside from designing buildings, the firm also works in interior design. KPMB Architects was officially renamed from Kuwabara Payne McKenna Blumberg Architects to KPMB Architects on February 12, 2013.