BDO is an international network of public accounting, tax and advisory firms which perform professional services under the name of BDO. The fee income of the member firms in the BDO network, including the members of their exclusive alliances, was $7.6 billion as of 30 September 2016. These firms have representation in 158 territories, with over 67,000 people working out of over 1,400 offices worldwide.
International executive office is located in Brussels (Belgium).
More detailed information on BDO Global can be found here.