| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| NORTHUMBRIAN WATER GROUP LIMITED | 04760441 | 24/05/2024 | Amber |
| NORTHUMBRIAN WATER LIMITED | 02366703 | 24/05/2024 | Amber |
| WALES & WEST GAS NETWORKS (HOLDINGS) LIMITED | 05095454 | 18/07/2024 | Silver |
| WALES & WEST UTILITIES FINANCE PLC | 06766848 | 18/07/2024 | Silver |
| WALES & WEST UTILITIES HOLDINGS LIMITED | 07092596 | 18/07/2024 | Silver |
| WALES & WEST UTILITIES LIMITED | 05046791 | 18/07/2024 | Silver |
| WEST & WESTERN MIDCO FINANCE PLC | 15124716 | 18/07/2024 | Silver |
| WEST GAS NETWORKS LIMITED | 08151511 | 18/07/2024 | Silver |
| WESTERN GAS NETWORKS LIMITED | 08151473 | 18/07/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|