| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Grosvenor High School (Bath) Ltd | 00585368 | 03/08/1992 | Dissolved |
| Independent Schools Mutual Association Ltd | 03202687 | 29/05/1997 | Dissolved |
| Independent Schools Mutual Association Ltd | 03202687 | 12/06/1996 | Dissolved |
| Lansdown Grove Hotel Ltd | 00026976 | 31/07/1995 | Dissolved |
| The Independent Schools Housing Co Ltd | 02559466 | 06/02/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Church Education Corporation Ld | 00076087 | 01/09/1993 | 16/05/1994 | Dissolved |
| FITZROY SUPPORT | 02699902 | 22/03/1996 | 16/07/2004 | Gold |
| GDST (ENTERPRISES) LIMITED | 02971891 | 06/10/1994 | 31/12/1999 | Silver |
| Gpdst Properties Limited | 02503787 | 26/08/1991 | 01/12/1992 | Dissolved |
| Gpdst Properties Limited | 02503787 | 26/08/1991 | 01/12/1992 | Dissolved |
| HORNPIPE THEATRE COMPANY LIMITED | 01644700 | 23/02/2011 | 09/05/2022 | Silver |
| HOST MANAGEMENT LTD | 04759938 | 06/10/2003 | 27/07/2007 | Insolvent |
| INDEPENDENT SCHOOLS COUNCIL | 01103760 | 10/07/1992 | 07/04/1995 | Bronze |
| Independent Schools Information Service (London & South East | 01193801 | 16/05/1992 | 11/05/1995 | Dissolved |
| LISS YOUTH CENTRE LIMITED | 05660960 | 22/12/2005 | 09/01/2012 | Gold |
| LISS YOUTH CENTRE LIMITED | 05660960 | 22/12/2005 | 09/01/2012 | Gold |
| Lillesden School Ltd | 00554335 | 01/09/1993 | 16/05/1994 | Dissolved |
| PORTSMOUTH CATHEDRAL ENTERPRISES LIMITED | 04235333 | 15/06/2001 | 28/10/2001 | Dissolved |
| PORTSMOUTH DIOCESAN BOARD OF FINANCE(THE) | 00226466 | 01/01/2001 | 31/12/2003 | Silver |
| PORTSMOUTH DIOCESAN EDUCATION TRUST | 00485069 | 27/02/2004 | 07/02/2008 | Dissolved |
| PURCELL SCHOOL(THE) | 00759327 | 19/11/2007 | 21/03/2011 | Amber |
| Premiumshare Property Management Ltd | 02939775 | 14/06/1996 | 08/05/2000 | Dissolved |
| THE GIRLS' DAY SCHOOL TRUST | 00006400 | 01/02/1992 | 31/12/1999 | Silver |
| The Girls' Day School Trust (1872) | 02847728 | 25/08/1993 | 31/01/2000 | Dissolved |
| The Royal School for Daughters of Officers of The Army | 02829654 | 01/09/1996 | 31/12/1999 | Dissolved |