This report examines the current landscape of data-driven technologies and their applications in mental healthcare, highlighting areas where these tools offer the most potential for the NHS and its patients. It discusses what makes mental health different from other areas of health, and the implications this has for the application of data-driven tools. It examines barriers to implementation, including the limited access to high-quality data and the need to build trust with patients and practitioners. Finally, it proposes ways to move forward.