Holding and management of participations in Switzerland and abroad, in particular in the field of sewer maintenance; can acquire, encumber and sell shares in companies, make financial investments of all kinds and participate in start-up projects, acquire, use and sell licenses, patents, names and trademark rights, provide auxiliary services in the interest of the participating companies, arrange financing for its own account or for the account of third parties, grant guarantees and sureties for subsidiaries and third parties, as well as acquire, manage, encumber and sell real estate.