HSP GRUPPE rolls ChatGPT Enterprise into German tax advisory work
OpenAI Blog·low signal
OpenAI published a customer story on how tax and audit firm HSP GRUPPE deployed ChatGPT Enterprise to lift productivity and work quality and free up capacity for advisory and client service. It is a first-party case study rather than independent reporting, so treat the outcomes as vendor-attributed. Useful mainly as a data point on where enterprise ChatGPT deployments are landing — regulated professional services with heavy document review.