This study aims to examine the effect of Service Quality and Store Atmosphere on Purchasing Decisions and Customer Satisfaction at Mutiara Riau Carwash Pekanbaru. Collecting data in this study using a questionnaire survey. The questionnaire was distributed to 100 people who used the services of Mutiara Riau Carwash Pekanbaru. The questionnaire given a number of 100 questionnaires can be used a…