| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ST JOHN'S COLLEGE SCHOOL, CAMBRIDGE | 13396877 | 17/06/2024 | Silver |
| UPPINGHAM SCHOOL (ASIA) LTD | 11334333 | 27/04/2018 | One Red Flag |
| UPPINGHAM SCHOOL (CONSTRUCTION) LIMITED | 12373636 | 20/12/2019 | Bronze |
| UPPINGHAM SCHOOL (REDDALL) LIMITED | 13682206 | 15/10/2021 | One Red Flag |
| UPPINGHAM SCHOOL (SELWYN) LTD | 12141906 | 06/08/2019 | Bronze |
| UPPINGHAM SCHOOL ENTERPRISES LIMITED | 01130851 | 01/05/2002 | Bronze |
| UPPINGHAM SCHOOL INTERNATIONAL LIMITED | 09895518 | 01/12/2015 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| INDEPENDENT SCHOOLS COUNCIL | 01103760 | 16/05/2012 | 20/05/2013 | Bronze |
| INDEPENDENT SCHOOLS INSPECTORATE | 06458829 | 01/09/2009 | 08/11/2010 | Bronze |
| ISBA ENTERPRISES LIMITED | 04334495 | 13/05/2009 | 12/05/2010 | Bronze |
| LEIGHFIELD ACADEMY | 08432347 | 06/03/2013 | 31/10/2013 | Dissolved |
| THE INDEPENDENT SCHOOLS' BURSARS ASSOCIATION | 06410037 | 26/10/2007 | 09/05/2013 | Gold |