studied customer satisfaction, quality of service and loyalty; a test of mediation. He studied the relationship between the customer satisfaction, quality of service and loyalty. The research illustrates that in all five dimensions of service quality (tangibility, reliability, responsiveness, assurance, empathy.) he claims that the research showed that is a positive and meaningful relation among all five dimensions of service quality with customer satisfaction and loyalty. By the way, these dimensions can be divided into two general dimensions of performance and processing. The resulting dimensions are dimensions that are more reliable, and dimension processing, including other dimension (tangibility, responsiveness, assurance, and empathy). The findings of this section it is shown that both the results and the processing size correlated positively and with customer satisfaction and loyalty.