- Barking, Havering and Redbridge University Hospitals NHS Trust
- Barnsley Hospital NHS Foundation Trust
- Barts Health NHS Trust
- Bedfordshire Hospitals NHS Foundation Trust
- Betsi Cadwaladr University Health Board
- Blackpool Teaching Hospitals NHS Foundation Trust
- Bolton NHS Foundation Trust
- Bradford Teaching Hospitals NHS Foundation Trust
- Brighton and Sussex University Hospitals NHS Trust
- Buckinghamshire Healthcare NHS Trust