| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BETJEMAN HOLDINGS JVCO LIMITED | 10851599 | 15/06/2021 | 17/10/2024 | Amber |
| BETJEMAN HOLDINGS LIMITED | 10852384 | 15/06/2021 | 17/10/2024 | Amber |
| BETJEMAN HOLDINGS MIDCO LIMITED | 10851742 | 15/06/2021 | 17/10/2024 | Silver |
| CTRL (UK) LIMITED | 03578740 | 11/06/2021 | 17/10/2024 | Not Trading |
| EQUANS E&S UK LIMITED | 07736123 | 16/04/2018 | 02/01/2020 | Not Trading |
| HELIX ACQUISITION LIMITED | 07428859 | 11/06/2021 | 22/09/2022 | Amber |
| HELIX BUFFERCO LIMITED | 07428829 | 11/06/2021 | 22/09/2022 | Silver |
| HELIX MIDCO LIMITED | 07428762 | 11/06/2021 | 22/09/2022 | Silver |
| HIGH SPEED ONE (HS1) LIMITED | 06045862 | 11/06/2021 | 17/10/2024 | Not Trading |
| HIGH SPEED RAIL FINANCE (1) PLC | 08346271 | 11/06/2021 | 17/10/2024 | Bronze |
| HIGH SPEED RAIL FINANCE PLC | 08196684 | 11/06/2021 | 17/10/2024 | Bronze |
| HS1 LIMITED | 03539665 | 11/06/2021 | 17/10/2024 | Amber |