| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CELTIC ENERGY LIMITED | 02997376 | 05/10/2005 | 06/02/2024 | Amber |
| CELTIC ENVIRONMENTAL DEVELOPMENTS LIMITED | 05458168 | 25/01/2016 | 31/03/2021 | Insolvent |
| CELTIC GROUP HOLDINGS | 02885745 | 16/08/2004 | 06/02/2024 | Not Trading |
| CELTIC MINING GROUP LIMITED | 05110139 | 22/11/2012 | 06/02/2024 | Gold |
| CELTIC MINING LIMITED | 02984560 | 22/11/2012 | 06/02/2024 | Not Trading |
| CELTIC MINING OPERATIONS GROUP LIMITED | 06118256 | 22/11/2012 | 06/02/2024 | Silver |
| PENNANT WALTERS (FOELT) LIMITED | 08895080 | 14/02/2014 | 15/11/2016 | One Red Flag |
| PENNANT WALTERS (HOLDINGS) LIMITED | 05633297 | 28/07/2015 | 15/11/2016 | One Red Flag |