Otto Feilchenfeld was one of the most important representatives of the Czechoslovak economy in the 1930s. He was able to successfully follow up and further develop the financial activities of his father Max Feilchenfeld. The Böhmische Escompte-Bank and later the Böhmische Escompte-Bank und Credit-Anstalt managed by them became one of the key financial institutions of the First Republic of Czechoslovakia. He became an influential man in Central European business and was able to integrate the economic interests of Czechoslovak, German and Austrian business partners. His socio-economic ties outside the former countries of Austria-Hungary included financial partners in the USA, Germany, Great Britain, France and Switzerland.