HSK Group (legal entity: HSK Rhein-Main GmbH) represents the Management Holding of HSK, Dr. Horst Schmidt Kliniken GmbH.

Hospitals such as HSK, Dr. Horst Schmidt Klinik, HSK, Wilhelm Fresenius Klinik, are directly managed by HSK Group. Management contracts exist with Altenheime der Stadt Wiesbaden.

Affiliated Companies such as HSK Service GmbH and HSK Pflege GmbH, provide services such as catering and facility management and nursing. The integration of those services within the HSK Group guarantees excellent quality standards within all entities of HSK Group.