Abstract-This research seeks to examine the impact of CRM on the performance of deposit money banks in Nigeria between 1999 and 2013. The researchers uses OLS multiple regression to examine the impact of complaint management, timeliness in service delivery, security of money and ease of opening account on ROA, ROE and ROI of deposit money banks. The co-integration test carried out showed that there is the existence of long-term equilibrium relationship between CRM and deposit money banks perf...