The BUB had its head office from the start on the prestigious Na příkopě thoroughfare in central Prague, Nos.958-959, in a neoclassical building erected in the 1830s.
[3]: 122 The BUB was soon involved into the short-lived Crédit foncier für das Königreich Böhmen, but that venture was wound up in 1874 following the panic of 1873.
[3]: 121, 129 Also in 1874, BUB acquired two other Prague-based banks founded in 1872, the Böhmischer Sparverein and Böhmische Handels-, Gewerbe- und Realitätenbank.
By 1914, the BUB had 23 branches and branch offices in Cisleithania: 15 in the Czech lands with a concentration in the Sudetenland (present-day Bielsko, Brno, Broumov, Dvůr Králové nad Labem, FrýdekJablonec nad Nisou, Krnov, Liberec, Nový Jičín, Olomouc, Opava, Rumburk, Šumperk, Vrchlabí, and Žatec), and 8 further south in Celje, Dornbirn, Graz, Klagenfurt, Leoben, Linz, Salzburg, and Villach.
It subsequently absorbed the Allgemeiner Böhmischer Bank-Verein which had been formed in 1921 from the former operations of Wiener Bankverein on Czechoslovak territory.
[7]: 95 In March 1939, after the establishment of the Protectorate of Bohemia and Moravia, Deutsche Bank executive Walter Pohle [de] led the aryanization process under oversight by the Gestapo.