In recent decades, many credit unions began to resort to such form of service as The number of shareholders of a credit union is limited and formalized by a list. Limit of the number is defined by the assembly and such assembly establishes the charter. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. 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.