Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). 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. 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 appeared in England in the 19th century. In 1844 a group of workers from Rochdale established the first cooperative.