Corporate Banking is comprehensive effort to focus on corporate customers needs and create financial and banking solutions to effective and accurate response to them. According to this, what the study is trying to reach is studying factors affecting on corporate banking. Therefore, to identify and study the component of the conceptual model, background research was studied. Methodology of this study is applicable in terms of the purpose, and descriptive in terms of data collection method. The research method of data collection is library research and interviews. Therefore, to conduct the study is used specialized research books, articles and journals in the field of research. The statistical population of this research was managers and financial and accounting expert’s customers in Assaluyeh Sepah Bank branches. The research questionnaire was used Non-random sampling for data collection. The data collection instrument was a questionnaire. The research questionnaire using simple non random sampling was distributed between 93 questionnaires from companies 20 were collected perfect. The questionnaire was being provided after studying the area to attract corporate customers, surveying previous studies and using expert's opinions. Results from factor analysis confirmed the validity and reliability of the questionnaires. By Using exploratory factor analysis identified eleven factors.