This study aims to analyse the effect of relationship marketing and service quality on customer satisfaction and its implications on customer loyalty. Based on observations and interviews from June 8, 2018, that is using at PTSI outside of the marketing team, and customer loyalty is the primary goal of each team member. Customer loyalty also becomes an instruction of the administration that can see from the existence of the policy of daily visits to its clients. The population of this study is customers who made purchases in the last six months. The sample of this study is 100 clients of PT Precision Tooling Service Indonesia, which made purchases during the previous six months. The sampling method of this study using stratified random sampling. The analytical method used is path analysis. PROCESS Macro Hayes assists the data analysis used in this study in version 23 of SPSS. The results showed that (1) relationship marketing has a positive and significant effect on customer satisfaction, (2) service quality has a positive and significant impact on customer satisfaction, (3) relationship marketing has an effect positive and significant in customer loyalty to customers satisfaction as a full mediator, (4) service quality has a positive and significant effect on customer loyalty with customer satisfaction as a full mediator, and (5) customer satisfaction has a positive and significant impact on customer loyalty.

Keywords : Customer Loyalty, Customer Satisfaction, Relationship Marketing, Service Quality.