| North West London  | 
| Chelsea and Westminster Hospital NHS Foundation Trust - Chelsea and Westminster Hospital | 
| Ealing Hospital NHS Trust – Ealing Hospital | 
| Hillingdon Hospital NHS Trust – Hillingdon Hospital | 
| Imperial College Healthcare NHS Trust – Charing Cross Hospital Hammersmith Hospital | 
| North West London Hospitals NHS Trust – Northwick Park Hospital | 
| West Middlesex University Hospital Trust – West Middlesex University Hospital | 
| North Central and East London | 
| Barking, Havering & Redbridge University Hospitals NHS Trust – King George Hospital Queen’s Hospital | 
| Barnet and Chase Farm Hospitals NHS Trust – Barnet General Hospital | 
| Barts Health NHS Trust – Royal London Hospital Newham General Hospital Whipps Cross University Hospital | 
| Homerton University Hospital NHS Foundation Trust – Homerton University Hospital | 
| North Middlesex University Hospital NHS Trust – North Middlesex Hospital | 
| Royal Free London NHS Foundation Trust – Royal Free Hospital | 
| University College London Hospitals NHS Foundation Trust – University College Hospital | 
| Whittington Hospital NHS Trust – Whittington Hospital | 
| South London | 
| Guy's and St Thomas' NHS Foundation Trust – St Thomas’ Hospital | 
| King's College Hospital NHS Foundation Trust – Kings College Hospital | 
| Kingston Hospital NHS Trust – Kingston Hospital | 
| South London Healthcare NHS Trust –     Queen Elizabeth Hospital (Woolwich) |