The article presents the effects of cash pooling application in a capital group. Calculations made on a mining company data indicate that the group’s companies achieve benefits on interests. Companies with surplus funds achieve higher interests on deposits. Companies recording cash shortages on current accounts pay lower interests on debit in the current account. Cash pooling provides for optimal use of the group’s funds, harmonisation of procedures in the area of financial cooperation, improves the group’s financial liquidity, and reduces the costs of external financing. One must not forget the effect of cash pooling manifested in high flexibility of financial settlements among the companies within the capital group.W artykule zaprezentowa...