International audienceDevelopments of large software systems have to face an exponential increase in volume and complexity of the requisite knowledge, tighter time constraints and a continual growing number of stakeholders. Current solutions are based on breaking down the system or software components and equipments in smaller pieces in order to be able to handle them, but the side effect of this approach is to dilute the synthetic vision. This paper presents a model centric process supported by tools. This process is based on a multi-model approach for managing synthetic views and making project information available to all stakeholders, with an appropriate view and presentation