This article explores compassion-based mental health therapy through the use of the Tidal model. A literature review is presented on compassion-focused therapy in general and the Tidal model in particular, including a critical examination of evaluation studies that have been undertaken into the Tidal model. The article concludes with a case example of the Tidal model of mental health practiced for one resident in a independent mental health hospital in the north of England.To read the full article, log in using your NHS OpenAthens details.