Keystone Architecture is a small suburban Philadelphia, PA firm practicing in many different markets since 2001. Keystone has consistently provided superior solutions for projects ranging from simple tenant fit-outs to complex building addition and renovation projects to new structures. The use of BIM since inception has allowed the firm to stay small in size while permitting individualized services tailored to the needs of each client. This has generated multiple projects with many repeat clients, and is the basis of the firm's continued success.