The core activity of KEZIA is the provision of architectural and energy consulting services, particularly in the following areas: Architecture: planning and realization of construction projects, including new buildings, renovations and conversions; Energy consulting: optimization of building energy efficiency, including the installation of photovoltaic systems; Project management: accompaniment and monitoring of construction projects, including the awarding of construction contracts and the coordination of craftsmen; Construction management: execution of construction projects, including monitoring of work and ensuring compliance with quality and safety standards. The company also offers specific services such as the creation of 3D visualizations and the performance of thermal expertise.