| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HIGH HOUSE ENTERPRISES LIMITED | 07872640 | 17/10/2013 | Amber |
| HIGH HOUSE PRODUCTION PARK LIMITED | 06683419 | 17/10/2013 | Amber |
| ROH DEVELOPMENTS LIMITED | 02580400 | 25/07/2014 | Silver |
| ROH HOLDINGS LIMITED | 02580395 | 31/07/2014 | Silver |
| ROH MANAGEMENT LIMITED | 02022665 | 31/07/2014 | Dissolved |
| ROH PRODUCTIONS LIMITED | 09219413 | 15/09/2014 | Not Trading |
| ROYAL OPERA HOUSE ENTERPRISES LIMITED | 04112266 | 23/01/2014 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GLOBALGIVING UK | 05824642 | 21/11/2006 | 30/09/2013 | Gold |
| GLYNDEBOURNE PRODUCTIONS LIMITED | 00358266 | 06/12/2008 | 16/07/2013 | Gold |
| TATE ENTERPRISES LTD | 03173975 | 27/03/1996 | 19/08/2013 | Silver |
| TATE EXHIBITION PRODUCTIONS LIMITED | 03179938 | 25/03/1996 | 02/08/2013 | Not Trading |
| TATE GALLERY PROJECTS LIMITED | 03166910 | 27/02/1996 | 07/05/1997 | Dissolved |
| TATE GALLERY PROJECTS LIMITED | 03166910 | 27/02/1996 | 02/08/2013 | Dissolved |
| TATE MEMBERS | 00600340 | 16/06/2003 | 21/11/2003 | Dissolved |