BDO is an international network of public accounting, tax and advisory firms which perform professional services under the name of BDO. For the year ended 30 September 2023 BDO (Including BDO's exclusive Alliances) announced a total combined fee income of US$ 14 billion, representing a year on year growth of 10.2%. BDO public accounting, tax and advisory firms provide professional services in 166 countries, with 115,661 people working out of 1,776 offices worldwide.