Today, customer’s judgment in baking affairs is based on bank’s ability to aid solving problems and sustainable trade development. Transaction security and speed, consumer friendly, ease of use, trust and issues related to privacy are among the most important factors in selection of a bank by a customer. Hence, online banking acceptance in most of the countries of the world is increasing; in a way that the level of e-banking in advanced countries has surpassed 50% which indicates to the importance of identifying the effective factors in this field. The aim of the present study is to examine the effect of successful e-banking factors on customers’ satisfaction, trust, commitment and loyalty and for this purpose, 385 of the customers of Bank Sepah branches in North of Tehran were selected by simple random sampling method and completed the research questionnaire. Content validity of this questionnaire was confirmed by experts in this field and its reliability was also confirmed by Crobach’s alpha test. in the end, data collected from research questionnaires was analyzed by using Partial sum of squares test and results indicated that quality of e-banking website has a significant effect on customer satisfaction and trust; quality of e-banking services has a significant effect on customer’s trust; e-banking perceived security has a significant effect on customer’s satisfaction, trust and commitment; e-banking perceived privacy has a significant effect on customer’s commitment; customer’s trust in e-baking has a significant effect on his commitment and loyalty; customer’s satisfaction from e-banking has a significant effect on his loyalty. It was also indicated that perceived privacy of e-banking doesn’t have a significant effect n customer’s satisfaction and trust; quality of e-banking services doesn’t have a significant effect on customer’s satisfaction; customer’s satisfaction form e-banking doesn’t have a significant effect on his trust; and customer’s commitment to e-banking doesn’t have a significant effect on his loyalty.