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 2018 BDO announced a total combined fee income of US$ 8.99 billion / € 7.56 billion, representing a year on year growth of 8.3%, at constant exchange rates (including BDO's exclusive Alliances). BDO public accounting, tax and advisory firms provide professional services in 162 countries, with 80,087 people working out of 1,591 offices worldwide.