The CNC was founded at 4th September of 1945, its current President is José Roberto Tadros, who succeeded Antonio Oliveira Santos, in an election that was held in 2018, and it is responsible for the administration of two institutions of great performances in Brazil and that form one of the largest systems of social development in the world, the institution of Commerce Social Service (Sesc - sesc.com.br) and the institution of National Service of Commercial Learning (Senac - senac.br), the first mentioned, with social projects, such as Mesa Brasil, Ecos Program of sustainability etc. (acts in the following areas: Alimentation, Culture, Education, Health, Leisure, Social Assisntence, Sports, Sustainability etc.) and the second in assisting the training and qualification of employees of the companies in the commerce sector (shopkeepers, waiters, chefs, hoteliers etc.