| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIRCH LIME LIMITED | 00390348 | 18/10/2006 | Dissolved |
| WOLDLIME LIMITED | 00336867 | 18/10/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIRCH CHEMICALS LIMITED | 03880774 | 07/02/2018 | 01/06/2024 | Silver |
| BIRCH SOLUTIONS (TECHNICAL SERVICES) LIMITED | 04049146 | 18/10/2006 | 01/06/2024 | Strike Off |
| BIRCH SOLUTIONS UK LIMITED | 08521262 | 06/02/2018 | 01/06/2024 | Amber |
| BIRCH WASTE LIMITED | 00341495 | 18/10/2006 | 01/06/2024 | Strike Off |
| DEDICATED VMI SYSTEMS LIMITED | 07027025 | 30/11/2018 | 01/06/2024 | Not Trading |
| HCF CATCH LIMITED | 03837010 | 30/09/2016 | 21/06/2024 | One Red Flag |
| LAYNES GREEN ENERGY LIMITED | 09507560 | 05/08/2015 | 01/06/2024 | Silver |
| MINERAL PRODUCTS ASSOCIATION LIMITED | 01634996 | 18/02/2019 | 06/06/2024 | Silver |
| MINSTERPORT LIMITED | 02018744 | 30/11/2018 | 01/06/2024 | Gold |
| SINGLETON BIRCH LIMITED | 00009433 | 01/04/2005 | 01/06/2024 | Gold |