The company offers planning, consulting, and services in energy, building, and real estate development. It develops holistic concepts and innovative methods for sustainable and economical solutions. Additionally, it supports municipalities and property owners in the implementation of projects and the development of new business models. The company can establish branches and subsidiaries domestically and abroad, and it can invest in other companies domestically and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company can acquire, encumber, dispose of, and manage real estate domestically and abroad. It can also provide financing for its own account or for third parties, as well as issue guarantees and sureties for subsidiaries and third parties. Furthermore, it can acquire, manage, and dispose of securities, patents, licenses, copyrights, and other intangible assets.