The core activity of NSER Sàrl is construction management, specifically direction de travaux, which encompasses project management and supervision in the construction industry. This includes three main areas: 1. Economie de la construction: Budgeting and selecting suitable companies for the execution of construction projects. 2. Direction des travaux: Technical and qualitative monitoring of construction execution. 3. Assistance maîtrise de l'ouvrage: Supporting project management and supervision. The company thus offers services aimed at successfully and efficiently planning, managing, and implementing construction projects.