| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BOOKSELLERS LTD | 05573819 | 01/10/2005 | Dissolved |
| Books in High Town Ltd | 06022767 | 08/12/2006 | Dissolved |
| Books in High Town Ltd | 06022767 | 08/12/2006 | Dissolved |
| HOOFTREK (WALES) LIMITED | 06444817 | 01/01/2018 | Dissolved |
| STORYMOJA UK LIMITED | 12449985 | 07/02/2020 | Amber |
| The Book Shop (Hay) Ltd | 06023048 | 08/12/2006 | Dissolved |
| The Book Shop (Hay) Ltd | 06023048 | 08/12/2006 | Dissolved |
| The Hay Book Co Ltd | 06061554 | 23/01/2007 | Dissolved |
| The Hay Book Co Ltd | 06061554 | 23/01/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BESTSELLERS LIMITED | 05203037 | 10/04/2015 | 14/02/2017 | Silver |
| BOOKSELLERS LTD | 05573819 | 01/10/2005 | 17/06/2011 | Dissolved |
| Booksellers Ltd | 03957324 | 16/07/2001 | 30/09/2002 | Dissolved |
| Booksellers Ltd | 03957324 | 16/07/2001 | 30/09/2002 | Dissolved |
| HAY CASTLE TRUST | 07639471 | 15/04/2012 | 21/04/2021 | Bronze |
| HAY FESTIVAL BOOKS LIMITED | 03442819 | 15/10/2001 | 22/04/2016 | Dissolved |
| HAY FESTIVAL BOOKS LIMITED | 03442819 | 14/01/2002 | 10/02/2017 | Dissolved |
| HAY FESTIVAL FOUNDATION LIMITED | 03490480 | 19/10/2001 | 23/04/2016 | Gold |
| HAY FESTIVAL OF LITERATURE AND THE ARTS LIMITED | 02258780 | 04/12/2004 | 10/02/2017 | Gold |