| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALON CARDIO-TECHNOLOGY LTD | 06166938 | 26/08/2009 | One Red Flag |
| Heart Initiatives Ltd | 04813669 | 26/05/2004 | Dissolved |
| Heart Science International Ltd | 05593334 | 14/10/2005 | Dissolved |
| Hff Property Ltd | 05473040 | 06/06/2005 | Dissolved |
| KENT NEUROSCIENCES LIMITED | 08134634 | 16/12/2014 | Dissolved |
| KENT NEUROSCIENCES PROPERTY LIMITED | 09000261 | 16/12/2014 | Dissolved |
| OXFORD REHABILITATION & ACTIVITY THERAPY LIMITED | 11523834 | 17/08/2018 | Dissolved |
| PERFUSION MATTERS LIMITED | 14527251 | 07/12/2022 | Strike Off |
| The Heart Failure Foundation | 03710256 | 09/02/1999 | Dissolved |
| Vientia Genetics Ltd | 04460399 | 13/06/2002 | Dissolved |
| WESTABY BOOKS LIMITED | 10020532 | 23/02/2016 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Extralife Ltd | 05236641 | 23/09/2004 | 28/11/2005 | Dissolved |
| MICRO FUSION 2004-15 LLP | OC305124 | 04/04/2005 | 06/04/2021 | Bronze |
| THE SOCIETY FOR CARDIOTHORACIC SURGERY IN GREAT BRITAIN AND IRELAND | 05685735 | 01/03/2011 | 31/03/2013 | One Red Flag |