Provision of services in the areas of sanitation, heating and ventilation as well as building technology and provision of services as general contractor, as well as trade in goods of all kinds, in particular in the construction sector. May establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire similar or related companies or merge with them, and enter into all transactions and conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it, as well as acquire, manage, encumber and dispose of real estate, intellectual property rights and licenses of all kinds.