commerzbank ag is a major german bank operating as a universal bank, headquartered in frankfurt am main. in the 2019 financial year, the bank was the second largest in germany by the total value of its balance sheet. the bank is present in more than 50 countries around the world and provides almost a third of germany's trade finance. in 2017, it handled 13 million customers in germany and 5 million customers in central and eastern europe. commerzbank is a member of the cash group.