Josef Bieling (1919–1981) founded the architectural office in his hometown of Kassel in 1955. The focus of his work as an architect was the planning and execution of religious buildings in the dioceses of Fulda, Paderborn and Hildesheim. Throughout his career he rebuilt 35 churches and rebuilt and renovated numerous buildings in the dioceses. In addition, he was commissioned to provide architectural services for nursing homes, kindergartens, rest homes, community centers, hospitals, schools, hotels and residential buildings. The most outstanding projects completed by Josef Bieling include St. Bonifatius and St. Theresia in Kassel.

Kurt Bieling studied architecture in Braunschweig, after gaining experience in other architectural firms he joined his father's office in 1980 and took over after his father's untimely death in 1981. Kurt Bieling was solely in charge of the office until 1988.

Thomas Bieling also studied architecture in Braunschweig and joined the office in 1988 after many years of experience in the architectural offices of Prof. Meinhard von Gerkan, Prof. Volkwin Marg and Prof. Gottfried Böhm. Thomas Bieling has been responsible for the building designs and competitions since 1988. From 2011 to 2022, Thomas Bieling has headed the architectural firm headquartered in Hamburg.