Most modern credit unions represent specialized consumer cooperatives of citizens associated by the principle of social community: place of work, place of residence, profession, or any other shared interest. Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. Credit union services are available only to its shareholders. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars Contributions from of shareholders in credit unions in no way can be considered as borrowed funds, they come from the shareholders and for the shareholders and can not be used to provide services to third parties. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. A credit union on its own initiative order is created by citizens (individuals) to solve their financial problems that they could not solve in other financial institutions.