| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALM DRAINAGE SOLUTIONS LIMITED | 13105058 | 14/10/2024 | Not Trading |
| CALM SURVEY SOLUTIONS LIMITED | 13105084 | 14/10/2024 | Not Trading |
| COMPLETE ASSET LIFE MANAGEMENT GROUP LIMITED | 13106158 | 14/10/2024 | Not Trading |
| EEG UTILITIES LIMITED | 13105170 | 14/10/2024 | Not Trading |
| EEG UTILITY SOLUTIONS LIMITED | SC200651 | 14/10/2024 | One Red Flag |
| EURO ENVIRONMENTAL GROUP LIMITED | 13105178 | 14/10/2024 | Not Trading |
| EURO ENVIRONMENTAL UTILITIES GROUP LIMITED | 13105166 | 14/10/2024 | Not Trading |
| HYDRO BIDCO LIMITED | 14607427 | 14/10/2024 | Silver |
| HYDRO MIDCO LIMITED | 14607415 | 14/10/2024 | Gold |
| HYDRO TOPCO LIMITED | 14607393 | 14/10/2024 | Silver |
| IPSUM BIDCO LIMITED | 13105088 | 14/10/2024 | Not Trading |
| IPSUM DRAINAGE (SCOTLAND) LIMITED | SC356488 | 14/10/2024 | Amber |
| IPSUM DRAINAGE SOLUTIONS LIMITED | 08546256 | 14/10/2024 | One Red Flag |
| IPSUM GROUP LIMITED | 10566393 | 14/10/2024 | Silver |
| IPSUM INFRASTRUCTURE LIMITED | SC263385 | 14/10/2024 | Gold |
| IPSUM POWER (ICP) LIMITED | 05644354 | 14/10/2024 | Gold |
| IPSUM POWER (LICENSED NETWORKS) LIMITED | 06805980 | 14/10/2024 | One Red Flag |
| IPSUM POWER (MIDLANDS) LIMITED | 11479068 | 14/10/2024 | Silver |
| IPSUM POWER (NORTH WEST) LIMITED | 06497299 | 14/10/2024 | Gold |
| IPSUM POWER (OHL) LIMITED | 07955072 | 14/10/2024 | Silver |
| IPSUM POWER (PRIVATE NETWORKS) LIMITED | 04051023 | 14/10/2024 | Silver |
| IPSUM POWER (TRAINING SERVICES) LIMITED | 07684863 | 14/10/2024 | Silver |
| IPSUM POWER (TRYDAN) HOLDCO LIMITED | 09991769 | 14/10/2024 | Bronze |
| IPSUM POWER (TRYDAN) LIMITED | 02339189 | 14/10/2024 | Gold |
| IPSUM SURVEY SOLUTIONS LIMITED | 07730859 | 14/10/2024 | Silver |
| IPSUM UTILITIES LIMITED | 11243426 | 14/10/2024 | One Red Flag |
| IPSUM WATER (ENGLAND & WALES) LIMITED | 08656093 | 14/10/2024 | Gold |
| IPSUM WATER (SCOTLAND) LIMITED | SC371884 | 14/10/2024 | Silver |
| SPECIALIST POWER ENGINEERING CONTRACTS LIMITED | 13105090 | 14/10/2024 | Not Trading |
| STORMPORT PROFESSIONAL SERVICES LIMITED | 13105082 | 14/10/2024 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MANCHESTER AIRPORT PLC | 01960988 | 10/10/2017 | 12/11/2020 | Silver |
| MANCHESTER AIRPORTS HOLDINGS LIMITED | 08353309 | 12/04/2018 | 30/10/2020 | Amber |
| STANSTED AIRPORT LIMITED | 01990920 | 18/07/2016 | 10/10/2017 | Silver |