Some credit unions are closed, serving only their members. However, the more and more popularitywin cooperatives of open type. First Credit Union was savings unprofitable institution, or rather credit cooperative, providing services to its members. 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. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. Standards by which credit unions build their work do not coincide with the standards and regulations of consumer cooperation of the usual type. Credit unions encourage the proper use of shareholders savings, developing social programs (education, health, recreation, housing, etc.). Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations. Corporate alliances are intermediaries between credit unions and financial markets.