UCO Bank, formerly United Commercial Bank, is an Indian public sector bank, established in 1943 in Kolkata. During FY 2020–21, its total business was ₹ 3.24 lakh crore. Based on 2020 data, it is ranked 80 on the Fortune India 500 list. UCO Bank was ranked 1948 in Forbes Global 2000 list of year 2018.