There has been a theoretical presumption in HRM that job satisfaction and employee turnover intention are negatively correlated. Based on this premise of argument, business leaders aspire to ensure optimal job satisfaction which is a key to the success of any business that relies on a variety of organizational and psycho-economic factors. This study was conducted in the fast-growing Grameenphone (GP) limited, which is the largest mobile phone company in Bangladesh. The factors i.e. independent variable are compensation package, supervision, career growth, training and development, working atmosphere, company loyalty and performance appraisal. The result shows that training and performance appraisal, work atmosphere, compensation package, supervision, and company loyalty are the key factory that positively influence job satisfaction which in turn reduce employees' turnover. The study also finds that the employees of this company possess the above at the moderate level and positive attitude towards work satisfaction which causes lower turnover incidence.