- Birmingham & Solihull Mental Health Foundation Trust, PI: Dr Paritosh Sharma - bsmhft.snapper@nhs.net
- South London & Maudsley NHS Foundation Trust, PI: Dr Mario Juruena - snapper@slam.nhs.uk
- South West London & St George's Mental Health NHS Trust, PI: Dr Olimpia Belea - megan.cartier@swlstg.nhs.uk
- NHS Lanarkshire, PI: Dr Roy Dipayan - lynne.mcnulty@lanarkshire.scot.nhs.uk
- Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, PI: Dr Rajesh Nair - paul.hindmarch@cntw.nhs.uk
- Cheshire and Wirral Partnership NHS Foundation Trust, PI: Dr Tito Mukherjee - cwp.research@nhs.net
- Avon and Wiltshire Mental Health Partnership NHS Trust, PI: Dr Dietmar Hank - awp.snappertrial@nhs.net
- Berkshire Healthcare NHS Foundation Trust, PI: Dr Rexhep Hysenagolli - research@berkshire.nhs.uk
- Forward Thinking Birmingham, Birmingham Women's and Children's NHS Foundation Trust (merged with BSMHT in July 2025)
- Nottinghamshire Healthcare NHS Foundation Trust - matea.svigac@nottshs.nhs.uk
- Cardiff & Vale NHS Health Board - matthew.haynes2@wales.nhs.uk
Trusts now closed to recruitment
- Norfolk and Suffolk NHS Foundation Trust, PI: Dr Uju Ugochukwu (closed to recruitment September 2024)