When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. 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. At the organization of the credit union it is important that people know each other and know the extent to which each of them is trustworthy. In the credit union compensation for use of the loan (interest) is a source of compensation for savings. In the UK, credit unions are a source of financing of people groups. This tool is not widely used. Credit unions base their activities on savings of shareholders, their shares and savings contributions, which make up the fund of mutual financial assistance - a source of cash loans to shareholders.