Bank Syariah Mandiri (operating under the name Mandiri Syariah) is a banking institution in Indonesia. This bank was founded in 1955 under the name National Industrial Bank. This bank changed its name several times and the last time it changed its name to Bank Syariah Mandiri in 1999 after previously being called Bank Susila Bakti which was owned by the Bank Dagang Negara Employee Welfare Foundation and PT Mahkota Selamat.