First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. 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 historically formed as a special form of social support, initially taken upon themselves the social mission of protecting the interests of citizens in the field of financial services. Corporate alliances are intermediaries between credit unions and financial markets.