The core activity of Abitop GmbH encompasses three main areas:
1. **Real Estate Management and Sales**: The company provides real estate management services, including condominium management, and supports clients in renting and selling properties.
2. **Trust and Accounting**: Abitop GmbH offers trust services, including accounting, payroll accounting, and tax consulting, for small and medium-sized enterprises (SMEs).
3. **Project Management and Software Solutions**: The company provides project management services and implements the business software Proffix, an industry-independent solution for SMEs, to optimize their processes and workflows.