Managers of any organization have an effective role in the success of the organization and can resolve and prevent the occurrence many problems. However, the ability of various managers is different. Therefore, the purpose of this paper is experimental study of the relationship between managerial ability and financial constraints of companies listed on the Tehran Stock Exchange. Statistical sample consisted of 131 companies in the period of 2007-2014. Data envelopment analysis (DEA) is used to measure the managerial ability and logit regression is used to test research hypotheses. The research findings suggest that there is a significant relationship between managerial ability and financial constraints of companies. Also, there is no significant difference between the managerial ability in various industries.