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. 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. Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars A potential new member of a credit union must submit a recommendation of shareholders in which the referee becomes a warrant of a future member of the credit union.