| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| NORTHERN MARINE FAR EAST LIMITED | SC519663 | 31/08/2017 | Dissolved |
| NORTHERN MARINE LOGISTICS LIMITED | SC474012 | 31/08/2017 | Dissolved |
| NORTHERN MARINE SHIPPING LIMITED | SC474013 | 31/08/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AURORA DIGITAL SOLUTIONS LIMITED | SC582080 | 21/11/2017 | 30/11/2019 | One Red Flag |
| NMG SHIP MANAGEMENT LTD | 03251676 | 27/06/2014 | 30/11/2024 | Bronze |
| NORTHERN MARINE FERRIES LIMITED | SC094346 | 02/02/2005 | 01/07/2014 | Dissolved |
| NORTHERN MARINE LOGISTICS LIMITED | SC474012 | 01/04/2014 | 30/08/2017 | Dissolved |
| NORTHERN MARINE MANAGEMENT LIMITED | SC082005 | 02/02/2005 | 26/06/2014 | One Red Flag |
| NORTHERN MARINE MANAGEMENT LIMITED | SC082005 | 02/02/2005 | 01/07/2014 | One Red Flag |
| NORTHERN MARINE MANNING SERVICES LIMITED | SC090039 | 02/02/2005 | 06/12/2010 | Silver |
| NORTHERN MARINE MANNING SERVICES LIMITED | SC090039 | 01/11/2013 | 29/09/2017 | Silver |
| NORTHERN MARINE SHIPPING LIMITED | SC474013 | 01/04/2014 | 30/08/2017 | Dissolved |
| STENA GROUP PENSION SCHEME TRUSTEE LIMITED | 10584016 | 12/05/2020 | 21/05/2024 | Not Trading |
| STENA MARINE LIMITED | SC472476 | 14/03/2014 | 30/11/2019 | Dissolved |
| TRITEC MARINE LTD | SC072554 | 27/02/2007 | 29/06/2020 | One Red Flag |