his research aims to examine and analyze the influence of religiosity, trust, corporateimage, and profit sharing system towards customer saving interest and customer loyalty inBank Syariah Mandiri. This research is a quantitative research with descriptive approach.The population in this research is the customer who opened a savings account at BankSyariah Mandiri Branch Gresik. The sample was taken by accidental sampling techniquewith criterion as customer opening a savings account at Bank Syariah Mandiri BranchGresik, and has 17 - 50 years old as many as 115 respondent. Analyze data used PLS withWarpPLS 5.0 program. The results of this study indicate that partially Religiosity, Trust, andProfit Sharing System, have a positive and significant effect on the customer's interest insaving, but the company's image has unsignificant effect on the customer saving interest,while Religiosity, Trust has a positive and significant effect on customer loyalty, but companyimage and profit sharing system have a unsignificant effect on customer loyalty, the otherhand state that customer saving interest has a positive and unsignificant effect on customerloyalty.Keywords : Religiosity, Trust, Corporate Image, Profit Sharing System, Customer SavingInterest, and Customer Loyalty.