Operation of a service for office work of all kinds, creation, expansion and maintenance as well as purchase and sale of sanitary, plumbing and heating technical installations and pipelines, purchase, sale and installation of solar modules and electrical products of all kinds, carpentry work, trade and transport of products of all kinds, rental, purchase and sale of real estate. The company can acquire, hold, sell and grant patents, copyrights, trademarks and other intellectual property rights as well as licenses of all kinds. The company can establish branches, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies. It can acquire, hold and sell properties. The company can grant loans or other financing to its direct or indirect parent or subsidiary companies, with or without consideration, and provide security of all kinds for the liabilities of such other companies, including by way of pledges on the company's assets or fiduciary transfers of the company's assets, or by way of guarantees of any kind. The company can enter into all transactions and conclude contracts that are suitable to promote the purpose of the company or that are directly or indirectly related to it.