| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3I AURA GP (2022) LIMITED | 14097808 | 26/05/2022 | N/A |
| 3I DM GIF 2015 GP LIMITED | 09581364 | 19/12/2017 | Dissolved |
| 3I EFV GP LIMITED | 05840692 | 19/12/2017 | Gold |
| 3I EFV NOMINEES A LIMITED | 05985597 | 19/12/2017 | Not Trading |
| 3I EFV NOMINEES B LIMITED | 05985584 | 19/12/2017 | Not Trading |
| 3I GC GP LIMITED | 07106395 | 19/12/2017 | Bronze |
| 3I GC NOMINEES A LIMITED | 07220175 | 19/12/2017 | Not Trading |
| 3I GC NOMINEES B LIMITED | 07220427 | 19/12/2017 | Not Trading |
| 3I GP 2004 LIMITED | SC262350 | 19/12/2017 | Bronze |
| 3I GP 2010 LIMITED | 07146784 | 19/12/2017 | Silver |
| 3I GP 2013 LTD | 08489159 | 19/12/2017 | Amber |
| 3I GP 2016 LIMITED | 10170404 | 19/12/2017 | Gold |
| 3I GP 2019 (SCOTS) LIMITED | SC630869 | 23/05/2019 | Amber |
| 3I GP 2019 LIMITED | 11929444 | 14/05/2019 | Gold |
| 3I GP 2020 LIMITED | SC649323 | 18/12/2019 | Silver |
| 3I GP 2022 (SCOTS) LIMITED | SC720569 | 02/02/2022 | Bronze |
| 3I GP 2022 LIMITED | 13864514 | 02/02/2022 | Gold |
| 3I IIF GP 2020 LIMITED | 12679002 | 26/08/2020 | Not Trading |
| 3I INFRA GP 2022 (SCOTS) LIMITED | SC750937 | 23/11/2022 | Bronze |
| 3I INTERNATIONAL HOLDINGS | 00395557 | 19/12/2017 | Not Trading |
| 3I IP ACQUISITIONS LIMITED | 12668132 | 26/08/2020 | One Red Flag |
| 3I MANAGED INFRASTRUCTURE ACQUISITIONS GP LIMITED | 10467007 | 19/12/2017 | Not Trading |
| 3I NAI HOLDINGS GP LIMITED | SC726183 | 24/03/2022 | Bronze |
| 3I NOMINEES LIMITED | 02916955 | 19/12/2017 | Not Trading |
| 3I OSPREY GP LIMITED | 06100576 | 19/12/2017 | Amber |
| 3I SCI HOLDINGS LIMITED | 11185477 | 16/02/2018 | Silver |
| 3I ZEPHYR GP (2022) LIMITED | 14432006 | 26/10/2022 | Bronze |
| GARDENS NOMINEES LIMITED | 00632717 | 19/12/2017 | Not Trading |
| GP 2013 LTD | SC454175 | 19/12/2017 | Amber |
| GP 2016 LIMITED | SC534717 | 19/12/2017 | Bronze |
| GP CCC 2010 LIMITED | SC372352 | 19/12/2017 | Amber |
| IIF SLP GP LIMITED | SC330301 | 19/12/2017 | Amber |
| INVESTORS IN INDUSTRY PLC | 00510431 | 19/12/2017 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3I APTECH GP LIMITED | 03910314 | 19/12/2017 | 03/07/2019 | Dissolved |
| 3I APTECH NOMINEES LIMITED | 03898300 | 19/12/2017 | 03/07/2019 | Dissolved |
| 3I EF4 GP LIMITED | 04605829 | 19/12/2017 | 03/07/2019 | Dissolved |
| 3I EFIV NOMINEES LIMITED | 04914129 | 19/12/2017 | 03/07/2019 | Dissolved |
| 3I GENERAL PARTNER NO 1 LIMITED | 03238605 | 19/12/2017 | 03/07/2019 | Dissolved |
| 3I GP 08-10 LIMITED | 06420433 | 19/12/2017 | 14/10/2020 | Dissolved |
| 3I GP 2006-08 LIMITED | 05720218 | 19/12/2017 | 14/10/2020 | Dissolved |
| 3I INVESTMENTS GP LIMITED | 06085478 | 19/12/2017 | 21/10/2021 | Dissolved |
| 3I NETWORKS FINLAND LIMITED | 07870987 | 19/12/2017 | 21/03/2019 | Dissolved |
| 3I PVLP NOMINEES LIMITED | 03455504 | 19/12/2017 | 03/07/2019 | Dissolved |
| GP CCC 08-10 LIMITED | SC334004 | 19/12/2017 | 14/10/2020 | Dissolved |
| MAYFLOWER GP LIMITED | 01629915 | 19/12/2017 | 14/10/2020 | Dissolved |