| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRASSED ON YORK LIMITED | 08055460 | 02/05/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DELMA TOMLIN ARTS MANAGEMENT LIMITED | 06504118 | 14/02/2008 | 24/03/2024 | Silver |
| EBORACUM ROMAN CENTRE LIMITED | 02205858 | 12/12/2008 | 19/05/2017 | Not Trading |
| FAIRFAX HOUSE YORK ENTERPRISES LIMITED | 04490278 | 10/12/2018 | 26/08/2021 | Gold |
| GERALDINE CONNOR FOUNDATION | 08334960 | 28/01/2013 | 06/09/2022 | Gold |
| JVC RETAIL LIMITED | 03477326 | 12/12/2008 | 19/05/2017 | Bronze |
| MUSEUMS ASSOCIATION(THE) | 00252131 | 15/09/1992 | 24/09/1998 | Silver |
| SCARBOROUGH MUSEUMS, CULTURE AND CREATIVE TRUST | 05114387 | 10/05/2008 | 28/10/2011 | Amber |
| WALSINGHAM COLLEGE (YORKSHIRE PROPERTIES) LIMITED | 00440129 | 02/05/2006 | 27/03/2015 | Bronze |
| YORK ARCHAEOLOGICAL TRUST FOR EXCAVATION AND RESEARCH LIMITED | 01430801 | 07/12/2007 | 19/05/2017 | Bronze |
| YORK CIVIC TRUST | 00486282 | 08/10/2008 | 06/10/2013 | Gold |
| YORKSHIRE AND HUMBERSIDE FEDERATION OF MUSEUMS AND GALLERIES | 08232453 | 19/05/2017 | 25/06/2018 | Silver |
| YORKSHIRE FILM ARCHIVE | 04480153 | 08/07/2002 | 27/11/2023 | Silver |