| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| RIO TINTO AUSTRALIAN HOLDINGS LIMITED | 00464176 | 26/06/2024 | Gold |
| RIO TINTO EUROPEAN HOLDINGS LIMITED | 00993068 | 26/06/2024 | Bronze |
| RIO TINTO FINANCE (USA) PLC | 06287014 | 26/06/2024 | Silver |
| RIO TINTO FINANCE PLC | 00358901 | 26/06/2024 | Silver |
| RIO TINTO INTERNATIONAL HOLDINGS LIMITED | 00425864 | 15/07/2024 | Gold |
| RIO TINTO LONDON LIMITED | 00460473 | 26/06/2024 | Silver |
| RIO TINTO METALS LIMITED | 00147115 | 26/06/2024 | Silver |
| RIO TINTO MINERALS INVESTMENTS AFRICA LIMITED | 15909409 | 21/08/2024 | Amber |
| RIO TINTO NOMINEES LIMITED | 01181093 | 26/06/2024 | Not Trading |
| RIO TINTO OVERSEAS HOLDINGS LIMITED | 00280423 | 26/06/2024 | Bronze |
| RIO TINTO SOUTH EAST ASIA LIMITED | 03699290 | 26/06/2024 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| RIO TINTO INTERNATIONAL HOLDINGS LIMITED | 00425864 | 26/06/2024 | 26/06/2024 | Gold |
| SERCO HOLDINGS LIMITED | 03970268 | 05/08/2019 | 20/01/2023 | Silver |
| SERCO PENSION TRUSTEE LIMITED | 09868351 | 30/09/2020 | 20/01/2023 | Not Trading |