| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Gyrus Holdings Ltd | 03972096 | 25/10/2004 | Dissolved |
| Gyrus Investments Ltd | 03972115 | 25/10/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| G2 DESIGN LIMITED | 02704165 | 25/10/2004 | 05/03/2008 | Dissolved |
| GYRUS GROUP LIMITED | 03234242 | 01/01/2004 | 30/04/2008 | Dissolved |
| GYRUS INTERNATIONAL LIMITED | 03162841 | 25/10/2004 | 05/03/2008 | Insolvent |
| GYRUS MEDICAL LIMITED | 02349996 | 25/10/2004 | 05/03/2008 | Bronze |
| Gyrus Trustees Ltd | 03535839 | 25/10/2004 | 05/03/2008 | Dissolved |
| Medic-Aid Employee Benefit Trust Ltd | 03333186 | 15/10/1999 | 22/12/1999 | Dissolved |
| Middlesign Ltd | 02571461 | 15/10/1999 | 22/12/1999 | Dissolved |
| RENEWABLE CLEAN ENERGY 2 LIMITED | 07423809 | 08/02/2011 | 05/11/2011 | Dissolved |
| RESPIRONICS (UK) LTD. | 01314118 | 15/10/1999 | 20/12/1999 | Not Trading |
| RESPIRONICS (UK) LTD. | 01314118 | 14/07/1997 | 06/04/2003 | Not Trading |
| RESPIRONICS LTD | 02900082 | 01/07/1999 | 22/12/1999 | Not Trading |
| RESPIRONICS LTD | 02900082 | 14/07/1997 | 31/03/2003 | Not Trading |
| RESPIRONICS RESPIRATORY DRUG DELIVERY (UK) LTD | 04005206 | 19/07/2000 | 06/04/2003 | Not Trading |
| Rhytec Ltd | 05275826 | 25/11/2004 | 13/12/2004 | Dissolved |
| SAVILLS INVESTMENT MANAGEMENT (UK) LIMITED | 03680998 | 02/10/2009 | 25/05/2011 | Silver |
| SPF PRIVATE CLIENTS LIMITED | 03680970 | 02/11/2009 | 08/06/2011 | Silver |
| SYNAIRGEN PLC | 05233429 | 16/09/2004 | 11/10/2024 | Amber |
| SYNAIRGEN RESEARCH LIMITED | 04793696 | 03/07/2003 | 22/10/2004 | Amber |
| ZAMBON UK LIMITED | 04005203 | 19/07/2000 | 06/04/2003 | Amber |