When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. To reduce the risk of default on loans members of the credit union shall the joint guarantee. 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 are financial institutions, financial cooperatives of citizens, and in this capacity they are above all associations of people, not unification of capitals, which is typical, for example, for public companies.