Operation of a trading, distribution, interior design and construction company; development, planning, manufacture, trade, import/export and in particular assembly of doors and frames as well as products of all kinds; can maintain and clean properties and take over facility management tasks from planning to execution or broker and award contracts; can participate in other companies, acquire, hold, broker and sell properties and real estate, grant loans to third parties and provide security of all kinds for liabilities of such third parties, including by way of pledges on or security assignments of the company's assets or guarantees of any kind; can conduct all financial and commercial transactions.