| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HIGHLAND PROPERTIES (ASSETS) LIMITED | SC176102 | 28/04/1999 | Dissolved |
| Isla Lands Ltd | SC050874 | 21/06/1996 | Dissolved |
| NEW ISLA LIMITED | SC340005 | 17/09/2008 | Bronze |
| SEVEN NETWORK (OPERATIONS) LIMITED | FC023841 | 22/04/2002 | Dissolved |
| Tygall Limited | 02308021 | 02/09/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CASTLE CAIRN (INSURANCE BROKERS) LIMITED | SC068418 | 19/12/1988 | 22/10/1993 | Dissolved |
| CONCERTAINER LIMITED | SC119979 | 09/01/1990 | 04/03/1994 | Dissolved |
| Culmen Ltd | 04018810 | 14/08/2000 | 30/06/2002 | Dissolved |
| Edinburgh Oil Investments Ltd | SC086426 | 27/09/1989 | 07/05/1991 | Dissolved |
| HIGHLAND PROPERTIES (MOTHERWELL) LIMITED | SC194603 | 21/04/1999 | 11/08/2022 | Dissolved |
| HIGHLAND PROPERTIES GROUP LIMITED | SC165975 | 28/04/1999 | 11/08/2022 | Silver |
| Ivory & Sime Private Clients (Nominees) Ltd | SC073954 | 19/12/1988 | 15/01/1992 | Dissolved |
| R.M. WILLIAMS (UK) LIMITED | 02362577 | 02/09/1994 | 26/09/2003 | Amber |
| R.M.WILLIAMS PROPRIETARY LIMITED | FC015112 | 26/11/1993 | 26/09/2003 | N/A |
| Rathbone (Scotland) Ltd | SC107182 | 04/01/1989 | 15/01/1992 | Dissolved |
| SANTOS BANGLADESH LIMITED | SC048610 | 16/05/1990 | 07/05/1991 | Silver |