| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BILBAO OFFSHORE HOLDING LIMITED | 12099853 | 12/07/2019 | Bronze |
| BILBAO OFFSHORE INVESTMENT LIMITED | 12097709 | 11/07/2019 | One Red Flag |
| GALLOPER EXTENSION INVESTCO LIMITED | 12412596 | 20/01/2020 | Amber |
| GALLOPER EXTENSION INVESTCO PARENT LIMITED | 12408293 | 17/01/2020 | Amber |
| GIG OSW EXTENSION TOPCO LIMITED | 12397572 | 10/01/2020 | Insolvent |
| GREAT EASTERN OFFSHORE WIND FARM UK HOLDCO LIMITED | 14523174 | 05/12/2022 | N/A |
| GT R4 HOLDINGS LIMITED | 13272588 | 28/06/2021 | Silver |
| GT R4 LIMITED | 13281221 | 28/06/2021 | Silver |
| INIS HOLDING COMPANY LIMITED | 13426129 | 28/05/2021 | Bronze |
| INIS TOP COMPANY LIMITED | 13413233 | 21/05/2021 | Bronze |
| KUSTEN OFFSHORE HOLDING COMPANY LIMITED | 13621736 | 14/09/2021 | Amber |
| LOCHLANN HOLDCO LIMITED | SC703990 | 13/07/2021 | One Red Flag |
| LOCHLANN TOPCO LIMITED | SC703876 | 12/07/2021 | One Red Flag |
| MARYLAND HOLDCO LIMITED | 13262637 | 28/06/2021 | Bronze |
| MARYLAND INVESTCO LIMITED | 13744006 | 15/11/2021 | One Red Flag |
| MARYLAND TOPCO LIMITED | 13743697 | 15/11/2021 | Bronze |
| OFFSHORE WIND POWER LIMITED | SC605260 | 01/05/2020 | One Red Flag |
| OSW INVESTMENTS GALLOPER JVCO (UK) LIMITED | 14043856 | 13/04/2022 | Silver |
| OSW INVESTMENTS R4 JVCO (UK) LIMITED | 14043366 | 12/04/2022 | Not Trading |
| OSW INVESTMENTS RAMPION JVCO (UK) LIMITED | 14043860 | 13/04/2022 | Silver |
| RAMPION EXTENSION INVESTCO LIMITED | 12423536 | 24/01/2020 | Amber |
| RAMPION EXTENSION INVESTCO PARENT LIMITED | 12422209 | 23/01/2020 | Amber |
| SOUTHERN OCEAN OFFSHORE WIND UK HOLDCO LIMITED | 13843476 | 13/07/2023 | Not Trading |
| YOUNG OSW JVCO LIMITED | 14044244 | 04/04/2024 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BILBAO OFFSHORE TOPCO LIMITED | 12095099 | 10/07/2019 | 20/12/2024 | Bronze |
| BING TK HOLDINGS LIMITED | 11431362 | 21/01/2019 | 23/05/2022 | Dissolved |
| BING TK LIMITED | 11431590 | 21/01/2019 | 23/05/2022 | Dissolved |
| CHABLIS TK HOLDINGS LIMITED | 11425435 | 19/11/2018 | 24/05/2022 | Dissolved |
| EAST ANGLIA ONE LIMITED | 07366753 | 30/08/2019 | 21/10/2019 | Silver |
| FIVE ESTUARIES OFFSHORE WIND FARM LIMITED | 12292474 | 21/08/2020 | 20/12/2024 | Amber |
| LOCHLANN FINCO LIMITED | SC703881 | 12/07/2021 | 02/02/2023 | One Red Flag |
| RAMPION EXTENSION DEVELOPMENT LIMITED | 12091939 | 29/06/2020 | 20/12/2024 | Silver |