Provision of computer software, programs and applications; technical data analysis services; Software as a Service (SaaS); computer Platform as a Service [PaaS]; software as a service [SaaS] for the visualization and modelling of 2D and 3D data; software as a service [SaaS] being software for topography, cartography, geographical databases; construction drafting; soil and subsoil analysis services; engineering and engineering advice; technical studies, advice and expertise with respect to soil depollution; technical studies, advice and expertise in the field of construction, namely, with respect to civil engineering, in the context of construction projects, engineering projects, and with respect to construction planning; assistance services with respect to the planning and monitoring of polluted soil treatment works with respect to civil engineering, in the context of construction projects and engineering projects.