T The islamic economy is expanding alongside the digital technology transformation, including within sharia banking driven by advancements in information technology, computing, and telecommunications. these changes have altered how people communicate, conduct transactions, and access financial services, notably through the adoption of mobile banking in sharia commercial banks. consequently, sharia commercial banks must respond to these trends by enhancing their digital services, particularly mobile banking. this study aims to identify the factors influencing the satisfaction of sharia commercial bank customers in jakarta regarding mobile banking usage, with trust serving as an intervening variable, all while remaining grounded in islamic economic principles.the study employs structural equation modeling (sem) based on analysis of moment structures (amos). the variables tested include service quality (x1), ease of use (x2), security (x3), and cost (x4), with trust (z) acting as an intervening variable affecting customer satisfaction (y). the research subjects are mobile banking customers of bank syariah indonesia and bank jabar banten syariah residing in jakarta, primary data were collected via questionnaires.the results of this research indicate that the factors exerting a direct influence are: service quality (x1) to trust (z), ease of use (x2) to trust (z), security (x3) to trust (z), trust (z) to satisfaction (y), service quality (x1) to satisfaction (y), and easy to use (x2) to satisfaction (y) all have exerts a positive influence. meanwhile, variable cost (x4) to satisfaction (y) and variable security (x3) do not have a positive effect on satisfaction (y). regarding indirect effects, the study finds that trust (z) positively mediates the impact of service quality (x1), ease of use (x2), and security (x3) on customer satisfaction (y).