Quinn Dressel Associates is a structural engineering firm with 42 years of consulting and construction experience. From small renovation projects to the design of complex mixed-use buildings, we specialize in creating innovative solutions for any structural challenge. Our diverse and highly talented team uses cutting-edge analysis tools to come up with cost-effective, practical, and state-of-the-art structural systems for projects of any scale. We have proven expertise in the structural design of new buildings, restoration of heritage buildings, and retrofits, modifications, and renovations to any existing structure. Our main office is located in Toronto and we have three satellite offices in Cambridge, Niagara Falls, and Collingwood.