Today in the UK there are about 700 credit unions with assets exceeding 200 million pounds. 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. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Since the early 80's started the process of consolidation of credit unions, leading to a decrease in their number with a simultaneous increase in the total number of members. 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. A credit union on its own initiative order is created by citizens (individuals) to solve their financial problems that they could not solve in other financial institutions. Corporate alliances are intermediaries between credit unions and financial markets.