| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Insight (Wales) Ltd | 05445557 | 06/05/2005 | Dissolved |
| Richard Keen Associates Ltd | 04807784 | 23/06/2003 | Dissolved |
| Rrn Developments Ltd | 04807787 | 23/06/2003 | Dissolved |
| THE GREAT WESTERN COLLIERY PRESERVATION TRUST LTD | 07344459 | 12/08/2010 | Dissolved |
| The Richard Keen Partnership Ltd | 05476801 | 10/06/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Council of Museums in Wales(The) | 01594138 | 06/01/2000 | 14/11/2002 | Dissolved |
| MERTHYR TYDFIL HERITAGE TRUST LIMITED | 01441497 | 28/11/1991 | 25/02/2003 | Gold |