Abstract:
The main objective of this study is to investigate the effect of service quality on customers loyalty in the Sudanese banking sector. The study model was built depending on the social exchange theory, hypothese were deducted from this model and tested on 364 customers in thirty-four banks based in Khartoum State through using a non-probability sample. The results of the study showed that the quality of the service has a significant impact on the customer attitudinal and behavioral loyalty
