BPA is one of Canada's leading building engineering consulting firms, founded in 1956 and headquartered in Montreal, Quebec. The employee-owned company provides multidisciplinary engineering, sustainability and advisory services across the full lifecycle of buildings, with expertise spanning mechanical, electrical, structural, civil, fire protection, acoustics, building science, commissioning, energy efficiency, and smart building systems. Operating through a network of offices across Canada and supported by approximately 1,000 professionals, BPA delivers around 2,300 projects annually in sectors including healthcare, education, laboratories, transportation, commercial, residential, industrial, defence and public infrastructure. The firm is recognised for its focus on sustainable, low-carbon building solutions and has expanded its national footprint through strategic acquisitions and partnerships, including an equity investment from CDPQ to support its long-term growth.