| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bellshelf (Sixtyone) Ltd | SC242231 | 05/03/2003 | Dissolved |
| Bellshelf (Sixtyone) Ltd | SC242231 | 05/03/2003 | Dissolved |
| DEEP TEK IP LIMITED | SC320998 | 25/05/2007 | Dissolved |
| DEEP TEK IP LIMITED | SC320998 | 25/05/2007 | Dissolved |
| DEEP TEK LIMITED | SC191642 | 01/02/1999 | One Red Flag |
| DEEP TEK LIMITED | SC191642 | 01/02/1999 | One Red Flag |
| DEEP TEK OFFSHORE LIMITED | 05422536 | 01/09/2008 | Dissolved |
| DEEP TEK OFFSHORE LIMITED | 05422536 | 01/09/2008 | Dissolved |
| DEEP TEK SUBSEA LIMITED | SC288705 | 10/08/2005 | Dissolved |
| DEEP TEK SUBSEA LIMITED | SC288705 | 10/08/2005 | Dissolved |
| DEEP TEK UNDERWATER IP LIMITED | SC347227 | 18/08/2008 | Dissolved |
| DEEP TEK WINCH IP LIMITED | SC347403 | 21/08/2008 | Dissolved |
| Deep Water Recovery & Exploration Ltd | SC113252 | 10/01/1990 | Dissolved |
| Deep Water Recovery & Exploration Ltd | SC113252 | 10/01/1990 | Dissolved |
| KILBURNS FARMING COMPANY LIMITED | SC058822 | 06/01/1989 | Amber |
| KILBURNS FARMING COMPANY LIMITED | SC058822 | 06/01/1989 | Amber |
| Kilburns Salvage Co. Ltd | SC066212 | 06/01/1989 | Dissolved |
| Kilburns Salvage Co. Ltd | SC066212 | 06/01/1989 | Dissolved |
| PLANETAE VERITAS LIMITED | 14817728 | 20/04/2023 | Bronze |
| PROFOUND SUBSEA LIMITED | SC429629 | 02/08/2012 | Dissolved |
| Pere (Uk) Ltd | 04010427 | 05/06/2000 | Dissolved |
| SUSTAINAVERSE LIMITED | SC769043 | 11/05/2023 | Bronze |
| The Persia Salvage Co Ltd | SC203571 | 03/02/2000 | Dissolved |
| The Persia Salvage Co Ltd | SC203571 | 03/02/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EUROPEAN CENTRE FOR MARINE BIOTECHNOLOGY | SC205318 | 01/11/2002 | 07/11/2005 | Not Trading |
| GLYCOMAR LIMITED | SC279835 | 26/05/2005 | 29/07/2008 | Gold |
| Pere (Uk) Ltd | 04010427 | 05/06/2000 | 12/07/2000 | Dissolved |
| SAMS APPLIED MARINE SCIENCE ENTERPRISE LIMITED | SC224404 | 16/04/2002 | 01/10/2005 | Silver |
| SMRU LIMITED | SC296937 | 02/06/2006 | 23/01/2012 | Silver |
| SOCIETY FOR UNDERWATER TECHNOLOGY(THE) | 00932590 | 13/12/2007 | 09/12/2010 | Silver |
| SOCIETY FOR UNDERWATER TECHNOLOGY(THE) | 00932590 | 05/12/2013 | 13/12/2016 | Silver |
| SOI GROUP LIMITED | SC413672 | 23/01/2012 | 01/12/2018 | Amber |
| THE SCOTTISH ASSOCIATION FOR MARINE SCIENCE | SC009292 | 01/11/1999 | 07/11/2005 | Silver |