Providing services in the construction industry, carrying out planning of all building services installations of buildings as well as trading in building materials, apparatus, devices and machines, furthermore providing services as general contractor, project manager and construction manager as well as carrying out planning and execution work in the construction industry, excluding all transactions which require a permit under the Federal Act on the Acquisition of Real Estate by Persons Abroad. May establish branches and subsidiaries at home and abroad and participate in other companies at home and abroad as well as conduct all transactions that are directly or indirectly related to its purpose, acquire, manage, encumber and dispose of real estate, intellectual property rights and licenses of all kinds at home and abroad, also make financings for its own or third party account as well as provide guarantees and sureties for subsidiaries and third parties.