This research aims to produce company manager decisions in evaluating employee performance by applying a combination of Rank Order Centroid (ROC) and Simple Additive Weighting (SAW) methods. The results of employee performance appraisals are expected to more effective and objective due to the support of the decision support system used. Many studies have been conducted in performance appraisal by using the Simple Additive Weighting method, but it have not used good weighting. With a combination of weighting and ranking methods, the results of the decision can be ascertained to more effective