| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LOTHIANS RACING SYNDICATE LIMITED | SC002032 | 17/07/1989 | Dissolved |
| MUSSELBURGH RACECOURSE COMPANY LIMITED | SC310493 | 17/11/2006 | Dissolved |
| Musselburgh Racecourse Co Ltd | SC149852 | 30/04/1999 | Dissolved |
| The Queen Mother's Memorial Fund for Scotland | SC253911 | 07/08/2003 | Dissolved |
| The Scottish International Register Ltd | SC138831 | 10/06/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AITKEN CAMPBELL & COMPANY LIMITED | SC097757 | 03/07/1989 | 13/06/1996 | Dissolved |
| Aitken Campbell (Gilts) Ltd | SC098336 | 03/07/1990 | 22/02/1994 | Dissolved |
| CHRISTIE'S E-COMMERCE LIMITED | 04092471 | 28/02/2001 | 01/03/2007 | Dissolved |
| FADE CLOTHING LIMITED | 03437326 | 30/08/1999 | 29/04/2002 | Dissolved |
| HOPETOUN HOUSE LIMITED | SC135734 | 12/11/2015 | 16/04/2024 | Bronze |
| Hill Samuel Scotland Ltd | SC140940 | 11/01/1993 | 30/09/1993 | Dissolved |
| Hill,Samuel Securities Ltd | 00807699 | 02/11/1992 | 30/09/1993 | Dissolved |
| INDEPENDENT PENSION TRUSTEES LIMITED | SC135111 | 13/08/1993 | 04/01/2015 | Silver |
| STRATHMORE ESTATES (HOLDING) LIMITED | SC030087 | 11/12/1991 | 15/11/2010 | Not Trading |
| STRATHMORE ESTATES DEVELOPMENT LIMITED | SC266274 | 22/04/2004 | 15/11/2010 | Gold |
| THE SCOTTISH BUSINESS ACHIEVEMENT AWARD TRUST LIMITED | SC077741 | 17/05/1993 | 15/08/2005 | Dissolved |