Today in the UK there are about 700 credit unions with assets exceeding 200 million pounds. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. Credit unions encourage savings of citizens, setting compensation payments (interest) on savings and provide from these savings loans to their members. Principles of cooperative democracy and interaction were adequate to the purposes for which people joined credit unions. Specialization of credit unions to provide financial services to its shareholders requires a particularly strict regulation of membership and acceptable activities. When organizing the credit union it is important that people know each other and know the extent to which each of them is trustworthy. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. To increase the number of credit unions in 1979 was adopted the corresponding law that serves as the legal basis of their activity.