Private enterprise was subject to severe restrictions and repression. During the so-called "Battle for Commerce," initiated by Hilary Minc, the state sought even greater control over the economy in an effort to stifle private initiative. The company was hit with heavy tax burdens. In the late 1950s, Zygmunt's business partner decided to emigrate to France. Zygmunt, however, never considered giving up the family business. He scaled down operations but continued to produce caps, hats, and berets, ensuring that his loyal customers had access to quality products.
The workshop became a fixture in Warsaw's commercial landscape, first operating at 10 Wolska St. and later moving to 20 Bracka St. in the city center. Zygmunt constantly modernized his workshop, introducing innovations that made him a pioneer in the industry. In the early 1970s, he imported special hat molds from the French company Garneau in Paris and bought the first hydraulic hat press from the German company Bahner.
Zygmunt fought to keep production going while also being involved in community work: serving on the Examination Committee, the Technical Progress Club, and training craftsmen throughout Poland. In recognition of his contributions, he was awarded the Medal of the National Education Commission.