EN
The article aims at presenting the role and tasks of work establishments in providing social security and the influence of benefits ensuing from it on incomes of employees. The following problems have been discussed in the article: - nature and scope of social security, - scope, types and forms of social security in work establishments (social insurance, social assistance, socio-welfare and other benefits), - cost and income aspects of social security in work establishments , - financial burdens of work establishments and incomes obtained by employees as a result of employee social security (initial research findings), - directions of social security reform in the field of funds raising and their rational use. Moreover, the author points out factors accounting for differentiation of employee incomes and financial burdens of work establishments due to realization of employee social security.