This study aims to analyze the influence of service quality variables on customer satisfaction, service quality on customer loyalty, customer satisfaction on customer loyalty, and service quality on customer loyalty through customer satisfaction as an intervening variable. This research was conducted on Homer Laundry service users in Yogyakarta with a sample of 100 respondents with a purposive sampling technique with SPSS 21.0 for Windows Software. The results of this study indicate that service quality has a positive and significant effect on customer satisfaction, service quality has a positive and significant effect on customer loyalty, customer satisfaction has a positive and significant effect on customer loyalty, and customer satisfaction has a positive and significant effect in mediating service quality to customer loyalty.