The core activity of TNT Treuhand & Revisionen AG is the provision of services in the areas of trust, auditing, tax consulting and business consulting. These include, in particular: trust services, such as managing company books, preparing annual financial statements and conducting audits; auditing, including the examination of annual financial statements and the preparation of audit reports; tax consulting, including the preparation of tax returns and representation of clients before tax authorities; business consulting, including the development of strategies, conducting organizational analyses and implementing improvement measures; and real estate management and administration. The company offers these services primarily to companies and private individuals in the canton of Grisons.