| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Norsea Ship Management Ltd | 00202605 | 11/11/2004 | Dissolved |
| P&o European Ferries (Holidays) Ltd | 01383133 | 11/11/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LARNE HARBOUR LIMITED | R0000472 | 20/11/2007 | 11/10/2019 | Bronze |
| MERCHANT NAVY RATINGS PENSION FUND TRUSTEES LIMITED | 00862615 | 27/11/2008 | 11/10/2019 | Not Trading |
| MNRPP TRUSTEES LIMITED | 04094112 | 07/06/2006 | 25/06/2013 | Dissolved |
| P&O EUROPEAN FERRIES (PORTSMOUTH) LIMITED | 00801658 | 11/11/2004 | 11/10/2019 | One Red Flag |
| P&O FERRIES (SHORT SEA) LIMITED | 03242391 | 11/11/2004 | 11/10/2019 | Amber |
| P&O FERRIES DIVISION HOLDINGS LIMITED | 06038090 | 15/02/2007 | 11/10/2019 | One Red Flag |
| P&O FERRIES DIVISION PENSION TRUSTEES LIMITED | 06441998 | 30/11/2007 | 11/10/2019 | Not Trading |
| P&O FERRIES HOLDINGS LIMITED | 06038077 | 01/03/2007 | 11/10/2019 | One Red Flag |
| P&O FERRIES LIMITED | 00237626 | 11/11/2004 | 11/10/2019 | One Red Flag |
| P&O FERRIES PORT SERVICES LIMITED | 02471819 | 11/11/2004 | 11/10/2019 | Not Trading |
| P&O FERRIES PRIDE OF HULL LIMITED | 00609032 | 11/11/2004 | 11/10/2019 | Amber |
| P&O FERRIES SHIP MANAGEMENT LIMITED | 03359126 | 11/11/2004 | 11/10/2019 | Amber |
| P&O NORTH SEA FERRIES LIMITED | 00809079 | 11/11/2004 | 11/10/2019 | One Red Flag |
| P&O SHIP MANAGEMENT (IRISH SEA) LIMITED | 00971533 | 11/11/2004 | 11/10/2019 | Not Trading |
| P&O SHORT SEA FERRIES LIMITED | 03291852 | 11/11/2004 | 11/10/2019 | One Red Flag |
| PORT OF CAIRNRYAN LIMITED | 04914754 | 09/09/2009 | 11/10/2019 | Bronze |