The core activity of Zulliger Treuhand & Consulting encompasses a wide range of services that can be divided into the following main areas:
1. **Trust and Consulting**: The company offers services in the areas of administration, accounting, taxes, corporate consulting, association consulting, insurance, and pension planning.
2. **Sports Management and Coaching**: Zulliger Treuhand & Consulting also provides specialized services in the field of sports management, including coaching and sports event planning.
These two main areas form the core activities of the company, which combines traditional trust and consulting services with specialized services in the sports sector.