| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CSC1 LIMITED | 05988511 | 18/03/2015 | Dissolved |
| CSC3 LIMITED | 06552102 | 18/03/2015 | Dissolved |
| DIGITAL COMPUTERS LIMITED | 01867793 | 18/03/2015 | Dissolved |
| FINCHALL ASSOCIATES LIMITED | 08128661 | 03/07/2012 | Silver |
| SENSIBLE LIMITED | 03003121 | 18/03/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CODEMASTERS DEVELOPMENT COMPANY LIMITED | 09757951 | 02/09/2015 | 30/07/2021 | Gold |
| CODEMASTERS GROUP HOLDINGS LIMITED | 06123106 | 27/07/2016 | 30/07/2021 | Silver |
| CODEMASTERS GROUP LIMITED | 03158832 | 18/03/2015 | 30/07/2021 | Dissolved |
| CODEMASTERS HOLDINGS LIMITED | 06123100 | 18/03/2015 | 30/07/2021 | Dissolved |
| CODEMASTERS LIMITED | 02585110 | 18/03/2015 | 30/07/2021 | Dissolved |
| CODEMASTERS SOFTWARE COMPANY LIMITED(THE) | 02044132 | 18/03/2015 | 30/07/2021 | Gold |
| IOTECH ENGINE LIMITED | 10309969 | 03/12/2019 | 30/07/2021 | Gold |
| IOTECH STUDIOS LIMITED | 11526780 | 03/12/2019 | 30/07/2021 | Dissolved |
| JAGEX LIMITED | 03982706 | 26/11/2021 | 23/07/2024 | Gold |
| JUNE UK BIDCO LIMITED | 12913669 | 26/11/2021 | 23/07/2024 | One Red Flag |
| JUNE UK FINCO LIMITED | 12912666 | 26/11/2021 | 23/07/2024 | Bronze |
| JUNE UK MIDCO LIMITED | 12912955 | 26/11/2021 | 23/07/2024 | Silver |
| MIDDLEWARE LIMITED | 05722905 | 03/12/2019 | 30/07/2021 | Dissolved |
| SLIGHTLY MAD STUDIOS LIMITED | 06552778 | 03/12/2019 | 30/07/2021 | Gold |
| SMS APOLLO LTD | 10562819 | 03/12/2019 | 30/07/2021 | Dissolved |
| SMS HYDRA LTD. | 07573758 | 03/12/2019 | 30/07/2021 | Dissolved |
| SMS PHOENIX LTD | 09663634 | 03/12/2019 | 30/07/2021 | Dissolved |
| SMS VIRGO LIMITED | 09283731 | 03/12/2019 | 30/07/2021 | Strike Off |