In the information and communication age, the role of management information systems in different organizations is undeniable. This study examines the gaps in customer relationship systems in a private bank based on the characteristics of the management information management system and in this study we seek to answer the question of whether the customer relationship management information system is related to organizational performance in the private bank. Does it make sense? The spatial scope of this research is among the employees of a private bank in Tehran province. The statistical population of this research includes all managers and staff experts. The present study will be conducted in a private bank, which is estimated to employ about 225 managers and staff experts. The sampling method in this study will be a simple random sampling method. In this study, the sample size was determined using Cochran's formula. The sample will be 132 people. The results showed that customer relationship management information systems have a significant relationship with the performance of internal performance and process performance and financial performance of the private bank. Also, customer relationship management information systems have a significant relationship with the performance of the private bank.
