| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EMS PREHOSPITAL CONSULTING LIMITED | 11986518 | 09/05/2019 | One Red Flag |
| EMSC LTD | 06015135 | 30/11/2006 | Dissolved |
| MEDICAL EXCELLENCE LIMITED | 05668741 | 13/12/2007 | Dissolved |
| TRAUMA.ORG LIMITED | 04043523 | 23/11/2007 | Dissolved |
| Tempchange Ltd | 05419394 | 25/07/2007 | Dissolved |
| The First Rule Ltd | 05571439 | 22/09/2005 | Dissolved |
| UK HELICOPTER EMERGENCY MEDICAL SERVICES (H.E.M.S) LIMITED | 06491323 | 01/03/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LONDON'S AIR AMBULANCE LIMITED | 02337239 | 29/09/1998 | 31/03/2019 | Gold |
| LONDON'S AIR AMBULANCE TRADING LIMITED | 04836606 | 18/07/2003 | 13/11/2009 | Bronze |
| THE INSTITUTE OF PRE-HOSPITAL CARE LIMITED | 06777277 | 06/01/2014 | 01/02/2022 | Not Trading |