Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). In 1908. the spread of credit unions has reached the United States. In 1935 President Roosevelt signed the state Charter on credit unions, which became a law. First Credit Union was savings unprofitable institution, or rather credit cooperative, providing services to its members. 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. 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. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations.