The Henryk Akst Banking House in Warsaw (Dom Bankowy Henryk Akst w Warszawie) was established in 1903. It was located at 152 Marszałkowska Street In 1937, it was owned by heirs. Eng. Juliusz Akst was the proxy. The share capital amounted to 250 thousand zlotys.
- Rocznik polskiego przemysłu i handlu (Yearbook of Polish Industry and Trade), Warszawa 1938, nr 589.
The project supported financially by The Kronenberg Foundation at City Handlowy.