BACKGROUND: The utilization of psychotherapeutic consultation at work (PT-A) has so far been investigated in large enterprises (LEs). These differ structurally from small(est) and medium-sized enterprises (SMEs). Differences in the user profiles of a PT‑A with regard to psychosomatic health, work-related self-efficacy, and work ability depending on company size have hardly been investigated. This study also examined differences in the employees' perception of the psychosocial safety …