any engineering activity in the fields of geotechnics and hydrogeology / pollutants in the broad sense, environment and sustainable development / energy and carbon balances, drilling, laboratory, mapping, pedology and similar fields related to construction. The company may carry out, either on its own account or on behalf of third parties, all financial, commercial / industrial, real estate or movable transactions, directly or indirectly related to its social purpose, create branches or subsidiaries in Switzerland and abroad, participate in all companies having a direct or indirect relationship with its purpose and grant loans or guarantees to associates or third parties, if it serves its interests, excluding operations prohibited by the LFAIE.