operation of an engineering office; studies, services, expert opinions and consulting services within the framework of civil engineering and related professions as well as in the field of renewable energies; development and marketing of products related to construction and renewable energies. Furthermore, it may carry out, either on its own account or on behalf of third parties, all financial, commercial and mobile operations directly or indirectly related to its social purpose and may be interested, in any form, in all similar companies, in particular by taking a stake in similar companies. The company may also establish branches and subsidiaries in Switzerland and abroad.