The core activity of KMU Treuhand & Immobilien AG encompasses two main areas: 1. **Trust Services**: The company offers classic trust services, such as accounting, tax consulting, and other related services. 2. **Real Estate Management**: KMU Treuhand & Immobilien AG manages properties, offers vacant apartments and commercial properties, and provides additional services in the field of real estate economics. The two main areas are operated by the company as independent business fields, each with its own employees and management personnel.