The Parent Company is a direct participant in the National Depository for Securities (Krajowy Depozyt Papierów Wartościowych) and the Securities Register (at the National Bank of Poland). The Bank maintains securities accounts, services transactions on the domestic and foreign markets, and provides fiduciary services and performs depository role for pension and investment funds. Assets placed in the Bank within fiduciary services are not included in these financial statements as they do not meet the criteria of an asset.

Moreover, as a member of the Council of Depositary Banks and the Council of Non-treasury Debt Securities by the Polish Bank Association, PKO Bank Polski SA takes part in developing regulations and market standards.