The economic basis of credit unions - finances of a household. The main objective of the credit union - to ensure financial stability of a household, to ensure the priority of their shareholders' financial interests. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. At the organization of the credit union it is important that people know each other and know the extent to which each of them is trustworthy. All the members of the credit union, regardless of gender, ethnicity, religious and political beliefs, as well as the size of the monetary share have equal rights. 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).