Objective: to analyze the socio-environmental responsibility of commercial companies in the wholesale, retail, wholesale-retail and wholesale-retail sectors within the scope of the free trade area of Guajará-Mirim, Rondônia, Brazil / Bolivia border. Method: the Social and Environmental Responsibility Performance Index -IDRSA was calculated according to the Factor Analysis techniques presented by Hair et al 13, Santana 14,15 and Cavalcante 16. A questionnaire (created by Cavalcante and Siqueira 17) was applied to 32 companies in the ALCGM economic sector, based on a set of social, environmental, economic and free question variables. Results:The average of the results found for each of the analyzed parameters (social, environmental and economic) reaches the performance index of socio-environmental responsibility of the companies for each of the economic sectors surveyed in the free trade area of Guajará-Mirim. The wholesale-retail sector had the best performance among all sectors with an index (IDRSA 0.561), considered "regular" performance. The sector of retail and wholesale (IDRSA 0.470) and the retail sector (IDRSA 0.420) also display rankings with regular performance indexes. The wholesale sector (IDRSA 0.374) was classified as "bad".