Activity of the credit union consists of organizing mutual financial assistance by meeting the needs of its members in the services of saving and obtaining loans. Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. Credit union is created by a group of members who pursue a common interest. Agreeing to make regular contributions, they create a fund from which can borrow money for investments and replenishment of working capital at favorable interest rates. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. National Credit Union Insurance Fund was created by Congress in 1970 to insure deposits of credit union members in the amount of 100 thousand dollars. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. U.S. credit unions have another significant difference from the credit cooperatives of farmers: the first have major proportion of short-term loans, the second - long and mostly in real estate. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks.