The company grew rapidly after the brothers Ulrich, Georg and Jakob began banking transactions with the House of Habsburg as well as the Roman Curia, and at the same time began mining operations in Tyrol, and from 1493 on the extraction of silver and copper in the kingdoms of Bohemia and Hungary.
Perusahaan tumbuh pesat setelah Ulrich, Georg dan Jakob bersaudara memulai transaksi perbankan dengan House of Habsburg serta Roman Curia, dan pada saat yang sama memulai operasi pertambangan di Tyrol, dan dari 1493 pada ekstraksi perak dan tembaga di kerajaan Bohemia dan Hongaria.