| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| THE BRITISH EMPIRE AND COMMONWEALTH MUSEUM | 04698817 | 23/06/2005 | Dissolved |
| THE IRONBRIDGE HERITAGE FOUNDATION LIMITED | 02556751 | 20/07/2021 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION OF INDEPENDENT MUSEUMS | 01350939 | 05/07/1991 | 31/12/2013 | Gold |
| Cultural Heritage N T O | 02485310 | 06/03/1997 | 10/10/2000 | Dissolved |
| ENGLISH HERITAGE TRADING LIMITED | 02970369 | 01/04/2000 | 27/06/2007 | Bronze |
| EUROPEAN MUSEUM FORUM | 07243034 | 04/05/2010 | 08/01/2014 | Silver |
| JAGUAR DAIMLER HERITAGE TRUST | 01709907 | 24/08/1991 | 01/07/2000 | Bronze |
| LAUNCH PAD LIMITED | 02210252 | 16/05/1991 | 30/06/2000 | Dissolved |
| LOWTHER CASTLE AND GARDENS TRUST | 06265298 | 04/07/2007 | 19/06/2012 | Silver |
| NATIONAL COAL MINING MUSEUM FOR ENGLAND TRUST LTD | 01702426 | 24/02/1995 | 31/03/1999 | Silver |
| RIVER AND ROWING MUSEUM FOUNDATION | 02548216 | 03/12/1997 | 27/10/2000 | Silver |
| SCIENCE SHOPS LIMITED | 02210229 | 16/05/1991 | 30/06/2000 | Dissolved |
| SCMG ENTERPRISES LIMITED | 02196149 | 25/12/1992 | 30/06/2000 | Bronze |
| THE WATERWAYS TRUST | 03728156 | 03/03/1999 | 16/12/2003 | Not Trading |
| The Liverpool Culture Co Ltd | 04030313 | 01/07/2004 | 13/11/2006 | Dissolved |
| WATERWAYS PENSION TRUSTEES LIMITED | 01852161 | 01/04/1999 | 31/03/2001 | Not Trading |