- Barking, Havering and Redbridge University Hospitals NHS Trust
- Barnet and Chase Farm Hospitals NHS Trust
- Barnet Enfield and Haringey Mental Health NHS Trust
- Barts Health
- Bromley Healthcare
- Camden and Islington NHS Foundation Trust
- Central and North West London NHS Foundation Trust
- Central London Community Healthcare NHS Trust
- Chelsea and Westminster Hospital NHS Foundation Trust
- Croydon Health Services NHS Trust
- Ealing Hospital NHS Trust
- East London NHS Foundation Trust
- Epsom and St Helier University Hospitals NHS Trust
- Great Ormond Street Hospital for Children NHS Trust
- Guy's and St Thomas' NHS Foundation Trust
- Homerton University Hospital NHS Foundation Trust
- Imperial College Healthcare NHS Trust
- King's College Hospital NHS Foundation Trust
- Kingston Hospital NHS Trust
- Lewisham and Greenwich NHS Trust
- London North West Healthcare
- Moorfields Eye Hospital NHS Foundation Trust
- North East London NHS Foundation Trust
- North Middlesex University Hospital Trust
- Oxleas NHS Foundation Trust
- Royal Brompton and Harefield NHS Foundation Trust
- Royal Free Hampstead NHS Trust
- Royal National Orthopaedic Hospital NHS Trust
- South London and Maudsley NHS Foundation Trust
- South West London and St Georges Mental Health NHS Trust
- St Georges Healthcare NHS Trust
- The Hillingdon Hospitals NHS Foundation Trust
- The Hounslow and Richmond Community Healthcare NHS Trust
- The Royal Marsden NHS Foundation Trust
- The Whittington Hospital NHS Trust
- University College London Hospitals NHS Foundation Trust
- West London Mental Health NHS Trust
- West Middlesex University Hospital NHS Trust