Oesterreichische Kontrollbank

OeKB was established on 22 January 1946 by the main surviving banks in the re-established Republic of Austria (which had been an integral part of Nazi Germany from 1938 to 1945), namely Creditanstalt-Bankverein, Österreichische Länderbank, Österreichisches Credit-Institut as well as private banks Schoeller & Co. and Pinschof & Co. The OeKB was given various tasks associated with postwar emergencies and the reconstruction of a national finance and capital markets infrastructure in Austria, including by taking over the activity of the former Wiener Giro- und Cassen-Verein, established in 1872 and described as the world's oldest central securities depository (CSD).

In 1949, OeKB became the central securities depository of the Vienna Stock Exchange, forming the basis for its capital market services arm. In 1950, it started insuring exports on behalf of the Austrian state.

In 1998, OeKB purchased 70 percent of the Oesterreichischer Exportfonds, which had been established in 1950. In 2004, it established Central Counterparty Austria (CCP.A) by merging the cash market clearing it had provided to the Austrian stock market since 1949 with the futures market clearing system initiated by Wiener Börse in 1991. In 2008, it brought its development finance activities into Oesterreichische Entwicklungsbank. In 2014, OeKB partnered with Euler Hermes to form export credit insurer Acredia Versicherung. In 2015, OeKB CSD was established as a separate fully owned entity. In 2019, OeKB acquired a 68.75 percent equity stake in the Austrian Hotel and Tourism Bank (ÖHT, est. 1947) from Bank Austria and Erste Group.