The St. Catharines Downtown Association (SCDA) is a non-profit organization that represents approximately 700 members including commercial property owners, retailers, restaurants and professional offices in the designated BIA (Business Improvement Area).

The mandate of the St. Catharines Downtown Association includes participating in programs aimed at the physical improvement and beautification of the core, as well as the promotion of the Downtown as a great place in which to shop, work, dine, play, meet, live and explore.