Government officials regions must have the maximum capacity in managing human resources in their regions. Local governments, either individually, in groups or institutions, are trying to improve the quality and quantity of work in order to improve their performance. This study aims to determine the effect of leadership style, competence on organizational commitment. To determine the effect of leadership style, competence and commitment to performance. To find out the role of organizational commitment in mediating the influence of leadership style and competence on performance at the Office of Investment and One Stop Services (DPMPTSP) Denpasar City Bali, Indonesia. Data collection using a questionnaire. The number of samples used was 77 people using purposive sampling method. The data analysis technique used SEM-PLS. The results showed that leadership style had a positive effect on organizational commitment. Competence has a positive effect on commitment organizational, leadership style has a positive effect on employee performance, competence has a positive effect on employee performance, organizational commitment has a positive effect on employee performance, organizational commitment can mediate the influence of leadership style on employee performance, organizational commitment can mediate the influence of competence on employee performance.