| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COLTSCOMBE COURT LLP | OC305118 | 18/07/2003 | Dissolved |
| Clifton House Press Ltd | 01307000 | 11/09/1991 | Dissolved |
| Clifton House Press Ltd | 01307000 | 11/09/1991 | Dissolved |
| Coltscombe Court Ltd | 02705535 | 13/07/1992 | Dissolved |
| Cookgrade Limited | 01855420 | 28/02/1991 | Dissolved |
| Cottages in Time Ltd | 02227005 | 10/05/1991 | Dissolved |
| H M A Architects Ltd | 03173620 | 15/03/1996 | Dissolved |
| Hma Management Ltd | 03092369 | 17/08/1995 | Dissolved |
| Hma Planning Consultants Ltd. | 03092424 | 17/08/1995 | Dissolved |
| Hma Planning Limited | 02707968 | 04/07/1996 | Dissolved |
| TIRION GROUP LIMITED | 08891823 | 10/06/2014 | Dissolved |
| Wcmd Enviromental & Educational Projects Ltd | 03723410 | 26/04/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HOLDER MATHIAS (HOLDINGS) LIMITED | 05858041 | 26/06/2006 | 30/06/2013 | Gold |
| HOLDER MATHIAS ARCHITECTS LIMITED | 02108133 | 19/09/1991 | 15/02/1996 | Gold |
| HOLDER MATHIAS ARCHITECTS LIMITED | 02108133 | 19/09/1991 | 30/06/2013 | Gold |
| HOLDER MATHIAS LLP | OC347009 | 07/07/2009 | 30/06/2013 | Bronze |
| Hospital Project Associates Ltd | 01676930 | 31/10/1991 | 18/08/1995 | Dissolved |
| LOWER COLTSCOMBE MANAGEMENT LIMITED | 04805324 | 19/06/2003 | 29/10/2012 | Silver |
| WELSH NATIONAL OPERA LIMITED | 00454297 | 28/11/1992 | 17/03/1994 | Gold |