| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ingpen & Williams (International) Limited | 00909667 | 28/06/1992 | Dissolved |
| Platform Festival Ltd | 02713444 | 11/05/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH ASSOCIATION OF CONCERT AGENTS LIMITED | 03139765 | 20/12/1995 | 17/07/2017 | Dissolved |
| GROVES ARTISTS LIMITED | 00725556 | 28/06/1992 | 31/08/2016 | Silver |
| HENRY WOOD HALL LIMITED | 01214781 | 01/11/1992 | 04/06/2019 | Bronze |
| INTERNATIONAL ARTIST MANAGERS' ASSOCIATION LIMITED | 02427894 | 25/09/1991 | 02/12/2016 | Gold |
| LISTENPONY LTD | 09404938 | 25/11/2016 | 20/01/2019 | Bronze |
| SOUTHWARK REHEARSAL HALL LIMITED | 01088992 | 01/11/1992 | 04/12/2019 | Not Trading |
| THE SUMMER SCHOOL FOUNDATION | 01265884 | 29/07/1995 | 22/11/2018 | Gold |
| TRINITY LABAN CONSERVATOIRE OF MUSIC AND DANCE | 00051090 | 23/01/1993 | 23/03/2005 | Bronze |
| YOUNG CLASSICAL ARTISTS TRUST | 01783007 | 20/07/1995 | 06/12/2011 | Gold |