Fund of Mutual Financial Aid of the credit union can be extended by sponsorship contributions from businesses, organizations, including on a returnable basis. Credit unions encourage savings of citizens, setting compensation payments (interest) on savings and provide from these savings loans to their members. To reduce the risk of default on loans members of the credit union shall the joint guarantee. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Initially, the target groups of credit unions were farmers (Raiffeisen), and now they include both individuals (credit unions), and organizations. The value of credit unions is not limited to the role of the economic agent - they are an important element of the social structure and a factor of social stability and progress. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. Unlike banks, in order to use the services of a credit union, you have to become its member, having written an application and having paid thus shares and membership fee. The specifics of credit unions and, in some sense, their uniqueness lies in the fact that they work not for profit and do not appropriate profit.