

The primary purpose of this study was to investigate the effect of business intelligence on bank services performance in Parsian bank in Tehran. The research method in this study was descriptive of correlation type, and the statistical population was selected from 420 employees of Parsian bank in Tehran based on the Morgan table was determined by a simple random sampling method. Data collection tools were two questionnaires of business intelligence dimensions with 0.805 reliability and bank performance with 0.846 reliability. The formal and content validity of the questionnaires was approved by the professors and then tested through the approved factor analysis. The method of data analysis using descriptive statistics (mean, standard deviation and variance) and inferential statistics (path analysis) were supported by Amos software. This study showed that business intelligence influences the performance of Parsian bank branches in Tehran. Also, business intelligence components (information content, access to information, use of information in the business process, analytical decision-making culture) affect the performance of Parsian bank branches in Tehran. The results showed that by enhancing trade intelligence in Parsian bank branches in Tehran, the performance of employees is increasing as well.