Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). Specialization of credit unions to provide financial services to its shareholders requires a particularly strict regulation of membership and acceptable activities. Credit unions perform the function of social protection in a vital for people sphere of financial services. They care about improving the financial literacy of the population, are working on the formation of their members and their employees. The main advantage of credit unions consists in transparency, controllability, governance for shareholders. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers). Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars Credit unions appeared in England in the 19th century. In 1844 a group of workers from Rochdale established the first cooperative. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. Corporate alliances are intermediaries between credit unions and financial markets.