The first bank of Bangladesh was:

Dhaka Bank (Dacca Bank), was established in 1806 during the British regime. Bengal Bank, established in 1784, was the first modern bank in India, and it opened its first branches in Sirajganj and Chittagong in 1873. In 1862, the Bengal Bank purchased the Dhaka Bank and opened its first branch in Dhaka, followed by another branch in Chandpur in 1900. The Bengal Bank had several other branches in the region, some of which were closed over time. Until the Partition of British India in 1947, six other branches of the Bengal Bank operated in the territory of Bangladesh, including Chittagong, Mymensingh, Rangpur, Chandpur, and Narayanganj.