Credit unions perform the function of social protection in a vital for people sphere of financial services. They care about improving the financial literacy of the population, are working on the formation of their members and their employees. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers). The relationship between credit unions and shareholders arise from the membership and are not customer relationship. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Credit unions, like today's credit unions, emerged in the 19th century in Germany as a result of crop failure and famine.