| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| South Eastern Museums Service | 01621431 | 24/09/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION OF INDEPENDENT MUSEUMS | 01350939 | 11/05/2000 | 08/05/2003 | Gold |
| Culture South West Ltd | 05254286 | 08/11/2004 | 25/01/2005 | Dissolved |
| LAKELAND ARTS | 08162578 | 22/05/2015 | 06/11/2016 | Bronze |
| MARY ROSE TRADING LIMITED | 01447628 | 17/05/2000 | 31/10/2001 | Bronze |
| MARY ROSE TRADING LIMITED | 01447628 | 01/02/1997 | 31/10/2001 | Bronze |
| MUSEUMS, LIBRARIES AND ARCHIVES SOUTH EAST | 04131121 | 27/12/2000 | 12/09/2003 | Dissolved |
| NEW THEATRE ROYAL - TRUSTEES (PORTSMOUTH) LIMITED(THE) | 01266053 | 26/01/1999 | 04/07/2002 | Bronze |
| PORTSMOUTH HISTORIC DOCKYARD | 02790922 | 08/01/1997 | 31/10/2001 | Dissolved |
| SS 'GREAT BRITAIN' TRADING LIMITED | 00999528 | 20/04/2009 | 25/06/2014 | Amber |
| SS GREAT BRITAIN TRUST | 01000878 | 25/06/2008 | 25/06/2014 | Silver |
| THE DANIEL ADAMSON PRESERVATION SOCIETY | 05088619 | 21/04/2015 | 08/11/2016 | Gold |
| THE FIRST ROWLANDS CASTLE RESIDENTS ASSOCIATION LIMITED | 02310074 | 12/01/1999 | 07/03/2002 | Not Trading |
| THE HMS CAROLINE PRESERVATION COMPANY | 08303946 | 22/11/2012 | 07/11/2016 | Silver |
| THE HMS VICTORY PRESERVATION COMPANY | 07935358 | 15/10/2012 | 07/11/2016 | Gold |
| THE MARY ROSE ARCHAEOLOGICAL SERVICES LTD | 03131273 | 30/09/1997 | 21/11/2001 | Gold |
| THE MARY ROSE ARCHAEOLOGICAL SERVICES LTD | 03131273 | 08/01/1997 | 30/09/1997 | Gold |