The core activity of Quirighetti Treuhand AG is the provision of services in the field of financial and tax consulting, particularly for small and medium-sized enterprises. This includes: accounting, payroll accounting, value-added tax, tax consulting, company formations, consulting and support in the selection and implementation of accounting and payroll software, as well as remote maintenance and support for customers. Additionally, the company also offers services in the area of German value-added tax, specifically designed for Swiss companies.