| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ELY ACQUISITION LIMITED | 10172715 | 24/07/2023 | Bronze |
| HYDRO INTERNATIONAL (HOLDINGS) LIMITED | 01614979 | 24/07/2023 | Not Trading |
| HYDRO INTERNATIONAL (UK) LTD | 01474012 | 24/07/2023 | Silver |
| HYDRO INTERNATIONAL (WASTEWATER) LIMITED | 02387229 | 24/07/2023 | One Red Flag |
| HYDRO INTERNATIONAL DATA, INSIGHT & ANALYSIS LTD | 03036787 | 24/07/2023 | One Red Flag |
| HYDRO INTERNATIONAL EUROPE WASTEWATER LTD | 02876690 | 24/07/2023 | Bronze |
| HYDRO INTERNATIONAL LIMITED | 01606391 | 24/07/2023 | One Red Flag |
| HYDRO-LOGIC LIMITED | 01287366 | 24/07/2023 | Not Trading |
| TURNER INTERNATIONAL BIDCO LIMITED | 11131854 | 24/07/2023 | One Red Flag |
| TURNER INTERNATIONAL MIDCO 2 LIMITED | 11158176 | 24/07/2023 | Bronze |
| TURNER INTERNATIONAL MIDCO LIMITED | 11157810 | 24/07/2023 | Bronze |
| TURNER INTERNATIONAL TOPCO LIMITED | 11157806 | 24/07/2023 | Amber |
| VEXAMUS LIMITED | 04249359 | 24/07/2023 | Not Trading |
| VEXAMUS WATER (SCOTLAND) LIMITED | SC227215 | 24/07/2023 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADB SAFEGATE AIRPORT SYSTEMS UK LTD | 11587010 | 25/09/2018 | 01/02/2019 | One Red Flag |