The first international workshop From Start-up to SaaS Conglomerate: Life Cycles of Software Products, IW-LCSP 2013 was held in June 11th 2013 at Potsdam, Germany. In the workshop five papers were presented with topics varying from product management in ecosystems and challenges in empirical requirements engineering research to start-up methods, incubators and accelerators. In these workshop notes the key findings of the presentations and lessons learned from workshop discussions are presented.