1973 Armin Bansbach, the elder son of founder of the company Hermann Bansbach, takes over as Managing Director. The company remains an exclusively family business.
1975 the younger brother, Udo Bansbach, joins the company and assumes responsibility for Sales and Development.
1988 Norman Bansbach starts to develop a new field of operations: Corporate Lighting.
1975 the company moves into the innovative interior lighting sector with a new range of high-quality mirror profile luminaires made of extruded aluminium.
The Berlin universities, the Prussian Foundation Museums (Berlin) and the Landeszentralbank in Hamburg start to install Semperlux luminaires.