Today in the UK there are about 700 credit unions with assets exceeding 200 million pounds. The uniqueness of credit unions is that they put together the principles and benefits of financial cooperatives, consumer cooperatives and mutual aid funds, born once by trade unions. The difference between credit unions and banks is clearly is apparent when comparing the structure of assets and liabilities of credit unions and banks. Income received by the credit union shall be distributed among the shareholders or spent for the depreciation of services, that is, are the most effective means of meeting the needs of shareholders. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. Credit unions appeared in England in the 19th century. In 1844 a group of workers from Rochdale established the first cooperative. Important specifics of creating a credit union - an initiative order of organization: people do not receive any instructions, orders or regulations, the unification into a credit union occurs by their will and decision. Credit unions are financial institutions, financial cooperatives of citizens, and in this capacity they are above all associations of people, not unification of capitals, which is typical, for example, for public companies.