The purpose is to determine the effect of quality to costumer satisfaction and loyalty at restaurant Sop Tunjang Pertama Jln.Pinang Pekanbaru. As for the population in this study are all customers in the Sop Tunjang Pertama on 2017. While in the sampling using Nonprobability Sampling which technique used is Purposive Sampling so that the number of samples obtained as many as 120 people. Analysi…