This paper evaluates the outsourcing procedures & apos; conformity of E-banking services in some Iranian private banks according to the OMBOK structure. The insight on the outsourcing as a supportive source for the strategies of an organization is increasing and outsourcing is not being looked at as an element for reducing the organization & apos; s costs anymore. Therefore, there is an increasing trend in banking sector towards employing the outsourcing, as an effective response to the environment and attracting customers. This paper attempt to find out how outsourcing procedures of e-baking services in private banks is corresponded with the framework of this standard. The study considers five primary dimensions consisting of infrastructure, operation management, business, customer relations and technology among private banks across the country based on OMBOK model. The study selects 90 experts out of 100 people in the field of E-banking as sample study and distributes some questionnaires among them and the questionnaire is analyzed using Kruskal-Wallis test. According to the achieved results, out of the five domains of OMBOK structure including infrastructure, business, technology, customer relations and operation management, the outsourcing procedures of the e-banking services in Iran & apos; s private banks does not correspond in two domains of infrastructure and business, but corresponded in other domains.