Origin Markets customers' funds are deposited in an independent segregated account of Australia's AA-rated bank, National Bank of Australia (NAB), to ensure the safety of customers' account funds. NAB is one of the four largest financial institutions in Australia. It was formed by the merger of Australia's oldest West Asian National Bank and Sydney Commercial Bank Company in 198 1. At present, it is one of the top 20 banks in the world and one of the safest banks in the world.