Several organizations have adopted Human Resources Information System (HRIS) in order to become competitive in this corporate world by easily retrieving information and having paperless offices. The use of HRIS has been promoted as an opportunity for human resource professionals to become strategic partners with management as it helps to generate better information for decision-making. This research examined the impact of HRIS to the performance of banking industry NMB Plc. as case study whereby problems before adoption of HRIS, the benefits of using HRIS, users perception of HRIS usage and challenges facing NMB Plc. after HRIS adoption were identified. Questionnaires were used to collect data from a sample of 81 respondents. HRIS was mentioned to be useful in supporting activities such as identifying potential employees, maintaining complete records on existing employees and creating programs to develop employees’ talents’ and skills. Human resource systems help senior management to identify the manpower requirements in order to meet the organization’s long term business plans and strategic goals while middle management uses human resources systems to monitor and analyze the recruitment, allocation and compensation of employees. Nevertheless, some users see HRIS as a threat and some see it as a tool to increase effectiveness and efficiency. Employees still do not see the impact of HRIS as