Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. The main advantage of credit unions consists in transparency, controllability, governance for shareholders. Contributions from of shareholders in credit unions in no way can be considered as borrowed funds, they come from the shareholders and for the shareholders and can not be used to provide services to third parties. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. 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.