| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3I AURA GP (2022) LIMITED | 14097808 | 10/05/2022 | N/A |
| 3I DM EUROPE LIMITED | 07381134 | 19/10/2010 | Dissolved |
| 3I DM GIF 2015 GP LIMITED | 09581364 | 08/05/2015 | Dissolved |
| 3I EUROPEAN MID-MARKET INFRASTRUCTURE GP (2024) LIMITED | 16061340 | 05/11/2024 | Amber |
| 3I EUROPEAN OPERATIONAL PROJECTS LIMITED | 10231804 | 14/06/2016 | Dissolved |
| 3I GC GP LIMITED | 07106395 | 09/02/2010 | Bronze |
| 3I GC NOMINEES A LIMITED | 07220175 | 12/04/2010 | Not Trading |
| 3I GC NOMINEES B LIMITED | 07220427 | 12/04/2010 | Not Trading |
| 3I GP 2010 LIMITED | 07146784 | 04/02/2010 | Silver |
| 3I GP 2013 LTD | 08489159 | 10/07/2013 | Amber |
| 3I GP 2016 LIMITED | 10170404 | 09/05/2016 | Gold |
| 3I GP 2019 (SCOTS) LIMITED | SC630869 | 21/05/2019 | Amber |
| 3I GP 2019 LIMITED | 11929444 | 05/04/2019 | Gold |
| 3I GP 2020 LIMITED | SC649323 | 11/12/2019 | Silver |
| 3I GP 2022 (SCOTS) LIMITED | SC720569 | 21/01/2022 | Bronze |
| 3I GP 2022 LIMITED | 13864514 | 21/01/2022 | Gold |
| 3I IIF GP 2020 LIMITED | 12679002 | 18/06/2020 | Not Trading |
| 3I INFRA GP 2022 (SCOTS) LIMITED | SC750937 | 21/11/2022 | Bronze |
| 3I IP ACQUISITIONS LIMITED | 12668132 | 13/06/2020 | One Red Flag |
| 3I MANAGED INFRASTRUCTURE ACQUISITIONS GP LIMITED | 10467007 | 01/12/2016 | Not Trading |
| 3I NAI HOLDINGS GP LIMITED | SC726183 | 14/03/2022 | Bronze |
| 3I NETWORKS FINLAND LIMITED | 07870987 | 05/12/2011 | Dissolved |
| 3I SCI HOLDINGS LIMITED | 11185477 | 16/02/2018 | Silver |
| 3I ZEPHYR GP (2022) LIMITED | 14432006 | 20/10/2022 | Bronze |
| BAM GENERAL PARTNER LIMITED | 04852440 | 07/11/2013 | Insolvent |
| BEIF II LIMITED | 03468972 | 07/11/2013 | Dissolved |
| EUROPEAN RENEWABLE ENERGY LIMITED | 06996160 | 13/09/2010 | Dissolved |
| EUROPEAN RENEWABLES HOLDINGS LIMITED | 06995966 | 13/09/2010 | Dissolved |
| EUROPEAN RENEWABLES PARTNERSHIPS LIMITED | 06995969 | 13/09/2010 | Dissolved |
| GP 2013 LTD | SC454175 | 10/07/2013 | Amber |
| GP 2016 LIMITED | SC534717 | 06/05/2016 | Bronze |
| GP CCC 2010 LIMITED | SC372352 | 04/02/2010 | Amber |
| PALACE STREET I LIMITED | 07704438 | 14/07/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BEIF MANAGEMENT LIMITED | 04186911 | 07/11/2013 | 31/05/2024 | Not Trading |
| BIFM INVESTMENTS LIMITED | 06949026 | 07/11/2013 | 31/05/2024 | Gold |
| BIIF GP LIMITED | 04836947 | 07/11/2013 | 31/05/2024 | Not Trading |
| INVESTCORP CREDIT MANAGEMENT EU LIMITED | 05655607 | 15/02/2011 | 03/03/2017 | Gold |