| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMALYST LIMITED | 08268981 | 22/05/2013 | Insolvent |
| CRIVALLIAN LIMITED | 09896755 | 01/12/2015 | Dissolved |
| PLURION LIMITED | SC281553 | 11/03/2008 | Dissolved |
| VALLONTIA LIMITED | 07302098 | 01/07/2010 | Dissolved |
| WHEST (WATT HOUR ENERGY STORAGE TECHNOLOGY) LTD | 09142564 | 22/07/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Aic Labs - Europe Ltd | 06133330 | 01/09/2008 | 26/06/2009 | Dissolved |
| CLARIZON LIMITED | 05406427 | 28/05/2008 | 01/06/2015 | Dissolved |
| CMR FUEL CELLS (UK) LIMITED | 04934498 | 06/01/2011 | 20/12/2012 | Dissolved |
| TFP HYDROGEN PRODUCTS LIMITED | 07553427 | 07/03/2011 | 30/08/2024 | Silver |