Tax consulting, preparation of tax returns, accounting, financial accounting, assumption of trust functions of all kinds, in particular economic, tax and legal consulting and mediation in all areas of law, execution of real estate and construction owner consulting, appraisals, valuations, sales and purchase consulting as well as management and brokerage of properties. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies, acquire or establish similar or related companies, acquire, sell and encumber properties, 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.