The European Space Agency (ESA) and Empresarios Agrupados Internacional are organizing a new ESPSS (European Space Propulsion System Simulation) User Workshop in Estoril on May 12th, within the European Space Propulsion Congress. The latest advances in advanced space propulsion system simulation for rockets and satellites with EcosimPro/ESPSS will be presented. It will be a forum to share experiences and propose new capabilities. We encourage you to participate either in person or via Teams (free of charge).