Historically, credit unions were preceded by widespread development of credit cooperation in many countries of Europe and America. To get a loan in the credit union a shareholder must be not only a formally adopted there, but necessary pay in cash contributions, the amount and order of payment of which approved by the General Assembly and fixed by the charter. The first credit union in the United States was founded in 1909. by the group of Franco-American Catholics in Manchester, New Hampshire, and was called "Cooperative Credit Association of St. Mary. " 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. Credit union services are available only to its shareholders. The main advantage of credit unions consists in transparency, controllability, governance for shareholders. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. 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.