The objective of this project is to perform an analysis of the sourcing process, from project Kick Off up to the final design validation of each buy component constituting the final assembled product to be delivered to the custome The study is done through the adaptation and application of Value Stream Mapping (VSM) tools and procedures (definition of value, waste sources, questionnaires), and analyzing impacts on performance indicators using simulation (model built with Arena software). The objective is to improve the process in order to meet critical milestones on time (according to project schedule), and, at the same time, taking into account the workload of the involved resources.