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. Credit unions attract people in the first place by the opportunity to get cash loan (credit) - quickly and relatively inexpensively. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. The right to use the services of the credit union have only its members. Credit unions historically formed as a special form of social support, initially taken upon themselves the social mission of protecting the interests of citizens in the field of financial services. Corporate alliances are intermediaries between credit unions and financial markets.