Acquisition, creation, holding, management, sale and exchange of participations, in Switzerland and abroad, in companies active in particular in the field of: a) promotion, acquisition, sale and exploitation of real estate; b) operation of engineering offices, in particular civil, geotechnical and environmental engineering; c) marketing of equipment and materials related to construction and sports; the company may in particular create branches or subsidiaries in Switzerland and abroad and participate in all companies having a direct or indirect connection with its purpose; it may carry out all operations directly or indirectly related to its purpose or likely to contribute to its realization; acquisition, holding, management, sale and exchange of securities and real estate, in compliance with the provisions of the LFAIE; granting of loans or guarantees in favor of associated companies and enterprises, shareholders or third parties; preparatory and auxiliary activities in favor of group companies; holding, management and granting of licenses on intangible assets.