BDO History

BDO was founded in 1963 with five founding member firms in the UK, Germany, the Netherlands, the US and Canada, as the Binder Seidman International Group. In 1973, 3 member firms adopted a common name an acronym derived from the initials of each individual firm, and BDO was used by all members from then on. These three firms were Binder Hamlyn (UK) Dijker & Co (Holland) Otte & Co (Germany).

BDO global network recorded a total revenue of US$14 billion in the year 2023. BDO operates via 1,776 offices in more than 166 countries providing auditing and consultancy services, with more than 115,600 professionals including partners working in these offices, worldwide. Today, BDO’s entrepreneurial spirit continues to develop as it further expands each passing day. No matter how much we grow, however, we will continue to stay loyal to our common goal across the globe: “an exceptional client service”.