The operation of an active engineering office in the fields of building, building physics and thermodynamics, energy performance, and environmental sustainability. It carries out all study, consulting, planning, measurement, and project monitoring services related to the building envelope, energy optimization, technical system efficiency, and the implementation of renewable energy-based solutions. It can also provide technical coordination, site supervision, overall project management for public or private projects, as well as training and awareness activities in its areas of expertise. The company may carry out, for its own account or for third parties, all commercial, financial, industrial, movable, and immovable property operations directly or indirectly related to its main purpose, in Switzerland and abroad, open branches in Switzerland and abroad, and take participations in other companies with a similar or related purpose.