Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. First Credit Union was savings unprofitable institution, or rather credit cooperative, providing services to its members. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. The relationship of shareholders with credit union are not client-based, they are co-operative, based on different principles and standards, in particular, on the principles of the law of obligations. Credit unions appeared in England in the 19th century. In 1844 a group of workers from Rochdale established the first cooperative. Historically, credit unions have grown from the experience of credit cooperatives, but they took the experience of organizations of mutual aid of citizens by moving methods of social self-protection from labor and toward consumption. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. The supreme body of the World Council of Credit Unions is the Assembly, which elects the president and the board of directors of WOCCU. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks.