The history of STEP begins at the Institute for Process Engineering at RWTH Aachen, where Dr.-Ing. Süleyman Yüce and Dr.-Ing. Joachim Gebel each received a doctorate from RWTH Aachen University for their scientific work under Prof. Dr.-Ing. Robert Rautenbach.

Dr.-Ing. Süleyman Yüce and Dr.-Ing. Joachim Gebel founded STEP in 1996 in the Oppenhoffallee in Aachen. Prof. Dr.-Ing. Rautenbach headed the former Institute for Process Engineering for more than 30 years. After his retirement in 1996, he was a partner at STEP between 1998 and 2000.

In 2009, STEP moved to its current address in Eupener Straße in Aachen. Dr.-Ing. Joachim Gebel followed the call as professor at the Rhein-Waal University of Applied Sciences in 2011 and left the company in 2016. Since 2016, Dr. Yüce has been managing director and sole shareholder of STEP Consulting GmbH.