The core activity of GRUSZKA Treuhand GmbH is the provision of accounting services and business consulting for companies and private individuals in Switzerland. This includes in particular: founding of new companies, complete accounting, value-added tax settlement, payroll accounting, withholding tax settlement, family allowances for employees, correspondence with authorities, insurance for companies and employees, annual tax returns for companies and private individuals, and tax and financial consulting. The company also offers an individual approach and multilingual customer service to meet the needs of its clients.