The purpose of the company is to provide services of all kinds, primarily in the field of building technology, heating and sanitation, and property management, as well as related activities. The company may establish subsidiaries and branches, and participate in other companies. The company may acquire, hold, encumber and sell real estate and intellectual property rights. The company may also engage in all commercial, financial and other activities that are directly or indirectly related to the purpose of the company. The company may grant loans and other direct or indirect financing to group companies and third parties, including its (direct and indirect) shareholders and their group companies, and provide security of all kinds for their liabilities, including by way of pledges on or fiduciary transfers of the company's assets or guarantees of any kind, whether paid or unpaid.