This study examined customer service quality and its effect on customer satisfaction in commercial bank of Ethiopia at Ambo branch. The study was conducted at one branch. The five service quality dimensions were used to measure the service quality of the bank. The researcher collected data through questionnaire. The respondents were selected through simple random sampling method and the data was analyzed using statistical tools such as mean, standard deviation, correlation and multiple regressions. The findings of this study indicate that the four service quality dimensions (tangibility,...