This study and research aim to determine the effect of work environment, work motivation, and transformational leadership on employee performance at PT. XYZ. The research method is quantitative with this type of associative and descriptive research. The data analysis technique used is multiple regression analysis. This study was conducted on 153 employees out of 247 employees. The result of existing research shows no significant effect of the work environment on employee performance. Also found that there has no significant effect on work motivation towards employee performance. Furthermore, there is a significant effect between transformational leadership towards employee performance. So, the conclusion is the work environment and work motivation in PT. XYZ has no significant effect on employee performance and transformational leadership in PT. XYZ has a significant effect on employee performance. But, work environment, work motivation and transformational leadership simultaneously have a positive and significant influence on employee performance of 34,9%.