“…These are SMEs that use SE in requirements management in the IT industry (Kamsties et al, 1998;Besrour et al, 2016) or operating in industries where SE is a standard, e.g. defense (Tran et al, 2008;O'Connell et al, 2013;Aljeeran et al, 2016). Wiesner et al (2017) discussed the issue of requirements engineering in industrial SMEs, to identify how practices from domains like mechanical engineering, software or service engineering can be adapted for the requirements engineering for complex product-service systems.…”