Abstract Design and implementation of QMS will cause to the improvement of organizational performance if it concerns on the especial characteristics of the organization. In general, previous studies have obtained different results about the effect of QMS (7 main practices) on organizational performance (4 main practices). In this survey, the relationship between QMS and organizational performance practices is analyzed using Structural Equation Modeling. The results showed that QMS practices have a significant relationship with the employee’s satisfaction, customer satisfaction and organization effectiveness, but the relationship between financial practice and QMS is not significant.