The purpose of this study is to examine the corellation between service quality and customer satisfaction. This study used purposive sampling technique. The analytical method used is multiple regression with the support of SPSS. The population used in this study were all BPRS Khasanah Ummat Purwokerto customers. The sample in this study were 100 respondents. The independent variable in this study is quality of service with five dimensions, which are reliability, responsiveness, empathy, assurance and tangible. The results showed that service quality with five dimensions, which are reliability, responsiveness, empathy, assurance and tangible simultaneously and partially have a significant positive effect on customer satisfaction of BPRS Khasanah Ummat Purwokerto