Founded in 1919
The Royal Society for the Promotion of Architecture Bond of Dutch Architects BNA is the branch organization of architectural firms. The aim of the BNA is to stimulate the development of architecture and to promote the professional practice of the participating architects. The BNA originates from the Society for the Promotion of Architecture. The BNA has been an official trade association since 2013, but in practice the BNA has been functioning like this for some time.