From November of the same year, Hilgenfeldt was a member of the Reich Work Chamber ("Reichsarbeitskammer"), as well as the Academy for German Law and Honorary Judge at the Supreme Honour and Disciplinary Court. As NSV leader, he was also Reich Women's Leader ("Reichsfrauenführerin") Gertrud Scholtz-Klink's superior. Also by virtue of his NSV office, he was the head of the German union of private charitable organizations, which included among its members the Protestant Inner Mission organization and the Catholic Caritas, as well as the NSV itself. From 1933, he also served in the Prussian Landtag as well as being a member of the Reichstag.