This study aimed to identify the role of electronic services in achieving the competitive advantage of banking services in commercial banks in the Sultanate of Oman represented by a set of independent variables (ease of use, degree of risk and safety, promotion of services, quality of service and dependent variable (competitive advantage), which is one of the most important components and elements of its success from the point of view of employees in commercial banks. To achieve the objectives of the study, the researcher relied on the descriptive analytical approach, and the study was limited to banks in the Sultanate of Oman commercial operating in the banking sector and the number (14) banks. A special questionnaire was distributed to the study sample and based on the five-pointed Likert model and the study provides a set of recommendations Electronic service is the fast way to serve customers through the development of the world in electronic services, and because the bank is always keen to serve potential customers and gain their trust, it has made electronic development a special circle for it. Bank Muscat aims in the future to raise and increase the speed of customers through several channels and is also keen to train employees on how to use them quickly. The regionals of the eastern region are always keen to continue communicating with the employees and taking their views on how to serve customers in the best way and how to promote more communication with them and take their trust between them. Gaining the confidence of customers in the absence of other bank competitions in the Sultanate Keywords: e-services, competitive advantage, commercial banks.