what is the difference between dtc and dtcc 
the dtcc is the parent institution of the depository trust company dtc a securities depository a member of the u s federal reserve system the dtc provides settlement services asset servicing and clearing services 8the bottom linethe depository trust and clearing corporation dtcc is a financial services company that provides clearing and settlement services for financial markets it is also instrumental in the automation centralization standardization and streamlining of said markets for its subsidiaries including the depository trust company dtc and the national securities clearing corporation nscc it oversees operations and manages financial risks 