The aim of the work was examined of the influence of the equity capital value on the security level of financial and profitabilities of 41 milk cooperatives within a period of four following years from 14 provinces in Poland. The examined cooperatives were grouped into 4 groups. A base of their grouping were values of quartiles of equity capital of these dairies. Cooperatives about the higher level of the equity capital had the higher profitability, however in case of the financial safety it cannot draw unambiguous conclusions.