Social capital plays an important role on developing business units especially in banking industry. The proposed study of this paper performs an empirical investigation on the role of social capital on one of newly established private banks in Iran called Ghavamin. The proposed study designs a questionnaire for measuring the level of social capital in terms of cognitive capital, relational capital and structural capital and distributes it among 30 out 67 employees of one their branches in city of Qom, Iran. The questionnaire has been designed in 5 Likert scale format and three hypotheses of the survey have been examined. There are 61 questions associated with the proposed study, where 19 questions are associated with social capital, 22 questions are related to cognitive capital and 20 questions are devoted to structural capital. Cronbach alphas have been calculated as 0.7807 for structural capital, 0.8669 for cognitive capital and 0.8459 for relational capital. The results statistical test indicate that none of social components was in satisfactory level and the organization must endeavor to establish a better infrastructure in terms of social capital.