The core activity of STEFAN AG encompasses the following areas:
* Purchase, sale, development, management and exploitation of plots of land and real estate
* Financing and investment in real estate projects
* General contracting for construction projects, including planning, construction and marketing of new buildings
* Consulting and support for real estate projects, including financial, administrative and technical aspects
* Implementation of financing measures and assumption of guarantees and sureties
Overall, the core activity of the company can be described as comprehensive services in the field of real estate and construction.