RSUA is the professional body for chartered architects in Northern Ireland. The organisation strives to enhance the region's built environment for the benefit of all through the promotion of architecture. RSUA has been in formal alliance with the Royal Institute of British Architects (RIBA) since 1925 and continues to act for the RIBA in Northern Ireland. There are approximately 850 joint RSUA/RIBA chartered members and 300 student members in Northern Ireland.