This study aims to determine the effect of customer relationship management and digital marketing on customers' decisions in choosing Bank Muamalat KC Sumber. This study uses a quantitative approach with simple random sampling, a sample size of 100 respondents, and data analysis conducted using SmartPLS 4. The results of the study indicate that the Customer Relationship Management variable has a partially significant effect on customers' decisions, whereas the Digital Marketing variable does not. Furthermore, simultaneously, both independent variables have a significant effect on customers' decisions, with a contribution of 64.7%. Further research is expected to broaden the scope by adding variables used as decision- making factors, thereby enabling an increase in customers choosing Islamic banks.
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