To unite the traders and entrepreneurs operating at the Grancia center (Grancia shopping center) in order to create and maintain a unified and commercially attractive image of the center and to develop good relations among members. Organizing advertising campaigns, commissioning marketing studies; carrying out promotions of all kinds; deepening the professional training of employees, managers and executives of the center; improving the signage and structures of the Grancia center. Developing and improving relations with customers, suppliers and any natural or legal person in relation to the shopping center (public authorities, sports and recreational associations, trade unions and employers' associations, etc.).