The Bank was first set up as a private, non-public Bank on 21st August 1992 with the permission of the Central Bank of Myanmar under the law of Financial Institutions of Myanmar and under the law of the Central Bank of Myanmar.

Under the permission of the Banking Supervision Committee, the Ministry of Finance and Revenue, dated (24.3.2004) to amalgamate the three banks under guidance to merge the three banks. In the way of merger and acquisition of the Co-operative banks with the Co-operative Bank as the Anchor Bank, the Memorandum of Association and Articles of Association were drawn in alteration and submitted with the approval of the (18/2004) meeting of the Government of the Union of Myanmar, held on (6.5.2004) the Bank was reformed from the private Company to Public Company.On respective receipt of the Certificate of Commencement of Business issued on (10.5.2004) by the Department of Investment and Directorate of Companies and license granted on (25.5.2004) by the Central Bank of Myanmar, the Ministry of Finance and Revenue to operate as Commercial Bank and Investment Bank. The Bank started operation since (15.6.2004) as the Co-operative Bank Ltd. (The Public Bank Company Ltd). Thus the Bank came into being to be able to provide more financial services to the public.