BDO Founded in 1963: The Origins
Explore how BDO began in 1963 as an international accounting network formed by member firms from the UK, Germany, the Netherlands, the United States, and Canada.
BDO traces its origin to 1963, when independent accounting firms from the UK, Germany, the Netherlands, the United States, and Canada joined forces to share knowledge and support cross‑border clients.
The early network is often referenced as the Binder Seidman International Group in historical overviews of the BDO story.
Why the Name BDO
Why the Name BDO Was Adopted (1973)
Learn why the network adopted the name BDO in 1973 and how Binder, Dijker, and Otte shaped the initials that became the global identity.
In 1973, the international network adopted the name BDO, derived from the initials of its founding European member firms: Binder, Dijker, and Otte.
The name helped unify recognition across regions while preserving the network model of locally established firms.
BDO International 1988
1988: BDO International
A key milestone in BDO history is 1988, when the organization became known as BDO International, strengthening a shared global identity.