There are many factors that affect the employees’ performance but in this study, the companies should take into consideration the massive influence on the employee’s performance. Such as organization culture, leadership, and job satisfaction are the important factors that contribute to decrease or increase the employees’ performance in the companies. This study aims to examine the relationship between the employee’s performance and the three factors: leadership, job satisfaction, and organizational culture, in private companies in the kingdom of Bahrain. However through this study, in conclusion, we found out that there is a significant impact of the three elements on the performance of private companies’ employees in the kingdom of Bahrain.