When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. Is necessary that all shareholders of the credit union were members of a single community, would know each other well enough to enjoy mutual trust. The relationship between credit unions and shareholders arise from the membership and are not customer relationship. 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. Credit Union - a non-profit financial institution specialized in mutual financial assistance by providing savings and credit services to their members. Unlike banks credit unions limit their activities to a closed circle of people.