| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aith Salmon Company Ltd | SC097410 | 11/10/2002 | Dissolved |
| COLLAFIRTH SEAFARMS LIMITED | SC335991 | 10/01/2008 | Not Trading |
| GREEN ISLAND ORGANICS LIMITED | SC197976 | 06/07/1999 | Dissolved |
| ISLAND MARINE SYSTEMS LIMITED | SC257408 | 10/10/2003 | Not Trading |
| Johnson of Shetland Ltd | SC163962 | 07/03/1996 | Dissolved |
| Laski Farming Enterprises Ltd | SC115172 | 26/02/2003 | Dissolved |
| MARINE PARK LIMITED | SC443392 | 28/02/2013 | Gold |
| MILLBURN SALMON LIMITED | SC107882 | 29/09/1995 | Dissolved |
| Millburn Salmon (Mangaster) Ltd | SC090752 | 05/06/1998 | Dissolved |
| Omega Seafarms Ltd | SC161864 | 27/11/1995 | Dissolved |
| SAFETRANS SCOTLAND LIMITED | SC575234 | 01/09/2017 | Dissolved |
| SHETLAND MARINE LIMITED | SC398706 | 06/05/2011 | One Red Flag |
| UK SCALLOPS LIMITED | SC225311 | 09/03/2006 | Not Trading |
| WINDHOUSE SEAFARM LIMITED | SC223453 | 25/05/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUASHIP (UK) LIMITED | SC227632 | 19/04/2002 | 13/01/2020 | Gold |
| COLLAFIRTH SALMON LIMITED | SC119067 | 23/06/2005 | 21/05/2008 | Dissolved |
| FISH HOLM LIMITED | SC310582 | 21/12/2006 | 16/03/2007 | Dissolved |
| GRADING SYSTEMS (UK) LIMITED | SC227775 | 06/02/2002 | 02/03/2005 | Silver |
| JOHNSON MARINE SCOTLAND LIMITED | SC513271 | 17/08/2015 | 21/06/2024 | One Red Flag |
| JOHNSON SEAFARMS LIMITED | SC105336 | 20/03/1996 | 07/03/1997 | Dissolved |
| JOHNSON SEAFARMS LIMITED | SC105336 | 20/03/1996 | 07/03/1997 | Dissolved |
| JOHNSON SEAWELL LIMITED | SC203169 | 14/01/2000 | 19/04/2002 | Dissolved |
| Johnson Cod 1 Plc | 04955455 | 19/11/2003 | 30/09/2005 | Dissolved |
| M.I.A. (PROPERTIES) LIMITED | SC233583 | 02/07/2002 | 30/09/2004 | Silver |
| NO CATCH LIMITED | SC214867 | 17/01/2001 | 02/03/2005 | Dissolved |
| NORTH ISLES SEAFARMS LIMITED | SC206302 | 23/06/2005 | 28/07/2009 | Dissolved |
| NORTHERN AQUACULTURE LIMITED | SC287665 | 02/06/2006 | 16/04/2010 | Dissolved |
| No Catch Processing Ltd | SC210655 | 16/06/2004 | 02/03/2005 | Dissolved |
| No Catch Shellfish Ltd | SC238645 | 25/10/2002 | 02/03/2005 | Dissolved |
| No Catch Site Management Ltd | SC214875 | 18/01/2001 | 02/03/2005 | Dissolved |
| Setter Ness Salmon Ltd | SC048667 | 31/12/1988 | 28/08/1995 | Dissolved |
| VIDLIN SEAFARMS LIMITED | SC290123 | 02/12/2005 | 30/01/2015 | Dissolved |