| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Dynamic Enterprises Ltd | 02750897 | 12/02/1993 | Dissolved |
| Little Giant Trust Ltd | 03034894 | 20/03/1995 | Dissolved |
| WELSH HIGHLAND LIGHT RAILWAY LIMITED | 03195265 | 07/05/1996 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B E S Technology Ltd | 00998728 | 20/09/1991 | 01/09/1993 | Dissolved |
| CONSORT MEDICAL LIMITED | 00406711 | 20/09/1991 | 01/09/1993 | Silver |
| FFESTINIOG AND WELSH HIGHLAND RAILWAYS HERITAGE LIMITED | 02231595 | 03/10/2001 | 01/10/2003 | Bronze |
| FFESTINIOG FUTURES LIMITED | 07569729 | 01/04/2011 | 01/01/2017 | Gold |
| FFESTINIOG RAILWAY HOLDINGS LIMITED | 02555576 | 17/09/1992 | 03/10/2003 | Gold |
| WELSH HIGHLAND RAILWAY CONSTRUCTION LIMITED | 05221614 | 01/11/2004 | 14/03/2005 | Silver |