| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EDU UK BONDCO PLC | 08644488 | 09/08/2013 | Dissolved |
| PIONEER BIDCO LIMITED | 13639975 | 06/11/2023 | One Red Flag |
| PIONEER FINCO LIMITED | 13639406 | 06/11/2023 | Silver |
| PIONEER MIDCO LIMITED | 13639126 | 06/11/2023 | Bronze |
| PIONEER TOPCO LIMITED | 13638179 | 06/11/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BALLET RAMBERT LIMITED | 01930699 | 09/12/2014 | 05/10/2020 | One Red Flag |
| EDU UK INTERMEDIATE LIMITED | 07285315 | 15/07/2013 | 01/09/2022 | Bronze |
| EDU UK MANAGEMENT SERVICES LIMITED | 07285370 | 15/07/2013 | 01/09/2022 | One Red Flag |
| EDU UK TOPCO LIMITED | 07285288 | 22/04/2013 | 01/09/2022 | Bronze |
| EMBASSY EDUCATIONAL SERVICES (UK) LIMITED | 01599830 | 23/04/2015 | 31/12/2018 | One Red Flag |
| INSENDI LIMITED | 11098726 | 26/02/2020 | 01/09/2022 | One Red Flag |
| PREVISOR UK LIMITED | 06221228 | 01/03/2011 | 27/11/2012 | Dissolved |
| RAMBERT TRUST LIMITED | 00483573 | 09/12/2014 | 05/10/2020 | Bronze |
| SAVILLE & HOLDSWORTH (UK) LTD. | 01819939 | 07/01/2003 | 27/11/2012 | Dissolved |
| SAVILLE & HOLDSWORTH GROUP LIMITED | 03109063 | 30/08/2002 | 27/11/2012 | Dissolved |
| SAVILLE & HOLDSWORTH LIMITED | 03109058 | 04/09/2002 | 27/11/2012 | Strike Off |
| SG GLOBAL BIDCO LIMITED | 11827693 | 31/05/2019 | 01/09/2022 | Amber |
| SG GLOBAL FINCO LIMITED | 11827569 | 31/05/2019 | 01/09/2022 | Amber |
| SG GLOBAL MIDCO LIMITED | 11827648 | 31/05/2019 | 01/09/2022 | Amber |
| SG GLOBAL TOPCO LIMITED | 11827427 | 31/05/2019 | 31/05/2023 | Amber |
| SGF AUSTRALIA - UK BRANCH | FC033981 | 31/05/2019 | 23/01/2023 | N/A |
| SHL (UK) LTD | 03109066 | 23/08/2002 | 27/11/2012 | Dissolved |
| SHL GROUP HOLDINGS 1 LTD | 05919061 | 23/10/2006 | 27/11/2012 | Dissolved |
| SHL GROUP HOLDINGS 2 LTD | 05919146 | 23/10/2006 | 27/11/2012 | Dissolved |
| SHL GROUP HOLDINGS 3 LTD | 05919149 | 23/10/2006 | 27/11/2012 | Dissolved |
| SHL GROUP HOLDINGS 4 LTD | 05922347 | 23/10/2006 | 27/11/2012 | Dissolved |
| SHL GROUP LIMITED | 01328744 | 19/11/2001 | 27/11/2012 | Silver |
| SHL PEOPLE SOLUTIONS GROUP HOLDINGS LTD. | 03317813 | 30/08/2002 | 27/11/2012 | Gold |
| SHL PRODUCT LTD | 06549573 | 31/03/2008 | 27/11/2012 | Bronze |
| STUDY GROUP LIMITED | 02325576 | 23/04/2015 | 01/07/2016 | Amber |
| STUDY GROUP UK LIMITED | 03108030 | 31/07/2013 | 01/09/2022 | Gold |