| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHABLIS TK HOLDINGS LIMITED | 11425435 | 20/06/2018 | Dissolved |
| CORIO GENERATION LIMITED | 13715492 | 01/11/2021 | Bronze |
| FORTH SPV 1 LIMITED | 10662385 | 17/08/2017 | Dissolved |
| FORTH SPV 2 LIMITED | 10662568 | 17/08/2017 | Dissolved |
| GIG OSW EXTENSION TOPCO LIMITED | 12397572 | 10/01/2020 | Insolvent |
| GIG OSW INVESTMENTS APPOINTER LIMITED | 14043915 | 13/04/2022 | Not Trading |
| GREEN INVESTMENT GROUP INVESTMENTS LIMITED | SC576143 | 12/09/2017 | Bronze |
| GREEN INVESTMENT GROUP LIMITED | SC574147 | 24/08/2017 | Silver |
| MOORGATE PL HOLDINGS LIMITED | 10480217 | 15/11/2016 | Silver |
| PENTLAND SPV 1 LIMITED | 10662364 | 17/08/2017 | Dissolved |
| PENTLAND SPV 2 LIMITED | 10662552 | 17/08/2017 | Dissolved |
| ROPEMAKER RB HOLDINGS LIMITED | 10379378 | 16/09/2016 | Dissolved |
| UK GREEN INVESTMENT BANK LIMITED | SC424067 | 17/08/2017 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CERO GENERATION HOLDINGS ITALY LIMITED | 12316686 | 04/03/2020 | 08/01/2021 | Amber |
| CERO GENERATION HOLDINGS POLAND LIMITED | 12479162 | 16/06/2020 | 12/01/2021 | N/A |
| CERO GENERATION HOLDINGS UK LIMITED | 12318275 | 04/03/2020 | 08/01/2021 | Bronze |
| CERO GENERATION LIMITED | 12272533 | 21/10/2019 | 02/02/2022 | Bronze |
| CORIO GENERATION INTERNATIONAL LIMITED | 13805252 | 16/12/2021 | 09/09/2024 | Amber |
| EKU ENERGY GROUP LIMITED | 14324598 | 30/08/2022 | 01/02/2024 | Bronze |
| EKU ENERGY LIMITED | 14324758 | 30/08/2022 | 31/03/2023 | Bronze |
| GALLOPER HOLDCO LIMITED | 10492131 | 31/07/2017 | 24/09/2019 | Bronze |
| NEW GREEN INTERIM HOLDCO LIMITED | 10542395 | 31/07/2017 | 24/09/2019 | Gold |
| OSW CO HOLDINGS 1 LIMITED | 10490912 | 31/07/2017 | 24/09/2019 | Bronze |
| OSW CO HOLDINGS 2 LIMITED | 10491763 | 31/07/2017 | 24/09/2019 | Silver |
| OSW CO HOLDINGS 3 LIMITED | 12146891 | 08/08/2019 | 24/09/2019 | Gold |
| OSW CO INVESTMENTS LIMITED | 12146958 | 08/08/2019 | 24/09/2019 | Silver |
| OSW INVESTMENTS TAIWAN JVCO 1 LIMITED | 13794983 | 10/12/2021 | 11/11/2022 | N/A |
| OSW INVESTMENTS TAIWAN JVCO 2 LIMITED | 13796726 | 13/12/2021 | 11/11/2022 | N/A |
| OSW INVESTMENTS TAIWAN JVCO 3 LIMITED | 13797421 | 13/12/2021 | 11/11/2022 | N/A |
| OSW LP HOLDCO LIMITED | 10492133 | 31/07/2017 | 24/09/2019 | One Red Flag |
| PHILIPPINES OSW INVESTMENTS LIMITED | 13843650 | 12/01/2022 | 31/05/2022 | N/A |
| RAMPION HOLDCO LIMITED | 10492132 | 31/07/2017 | 24/09/2019 | Gold |
| RAMPION INVESTCO LIMITED | 10507143 | 31/07/2017 | 24/09/2019 | Amber |
| SOUTHERN OCEAN OFFSHORE WIND UK HOLDCO LIMITED | 13843476 | 12/01/2022 | 13/07/2023 | Not Trading |
| UK GREEN INFRASTRUCTURE PLATFORM LIMITED | 10669600 | 17/08/2017 | 06/04/2022 | Dissolved |
| UK GREEN INVESTMENT GALLOPER LIMITED | 09793796 | 17/08/2017 | 24/09/2019 | Silver |
| UK GREEN INVESTMENT RAMPION LIMITED | 09579083 | 17/08/2017 | 24/09/2019 | Bronze |
| UK NPD INVESTMENTS GP LIMITED | 09648750 | 19/06/2015 | 31/03/2022 | Dissolved |
| UK PPP INVESTMENTS GP LIMITED | 09316859 | 18/11/2014 | 31/03/2022 | Dissolved |
| WMR HOLDCO LIMITED | 10492129 | 31/07/2017 | 24/09/2019 | Bronze |