| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Celtic International Fuel Trading Ltd | 03126737 | 30/11/2006 | Dissolved |
| Celtic International Fuel Trading Ltd | 03126737 | 23/10/2006 | Dissolved |
| Celtic Power Ltd | 03315542 | 30/11/2006 | Dissolved |
| Celtic Power Ltd | 03315542 | 23/10/2006 | Dissolved |
| Celtic Trustee Ltd | 03173082 | 30/11/2006 | Dissolved |
| Celtic Trustee Ltd | 03173082 | 23/10/2006 | Dissolved |
| Swansea Shipping Services Ltd | 05135742 | 30/11/2006 | Dissolved |
| Swansea Shipping Services Ltd | 05135742 | 23/10/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CELTIC ENERGY LIMITED | 02997376 | 30/11/2006 | 19/11/2012 | Amber |
| CELTIC ENVIRONMENTAL DEVELOPMENTS LIMITED | 05458168 | 14/05/2007 | 17/06/2014 | Insolvent |
| CELTIC GROUP HOLDINGS | 02885745 | 30/11/2006 | 19/11/2012 | Not Trading |
| CELTIC MINING LIMITED | 02984560 | 30/11/2006 | 22/11/2012 | Not Trading |
| EURO COMMERCIALS (SOUTH WALES) LIMITED | 01459115 | 01/01/2006 | 20/10/2006 | Bronze |
| INDUSTRY-WIDE COAL STAFF SUPERANNUATION SCHEME CO-ORDINATOR LIMITED | 03003429 | 01/12/2006 | 19/10/2011 | Amber |