| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACL CRUISES LIMITED | 04032174 | 18/06/2003 | Dissolved |
| CUNARD LINE LIMITED | FC025153 | 02/04/2004 | Dissolved |
| Carnival (Barbados) Ltd. | FC025327 | 20/07/2004 | Dissolved |
| Carnival (Bermuda) Ltd | FC025453 | 15/09/2004 | Dissolved |
| Cunard Seabourn Air | 03741488 | 07/09/2004 | Dissolved |
| Cunard Seabourn Ltd | 03553628 | 07/09/2004 | Dissolved |
| HAL BUITENLAND B.V. | FC025294 | 08/07/2004 | Dissolved |
| P & O CRUISES B.V. | FC025882 | 12/04/2005 | Dissolved |
| P&O CRUISES AIR SERVICES LIMITED | 00613886 | 18/06/2003 | Dissolved |
| P&O CRUISES AUSTRALIA LIMITED | 01037471 | 18/06/2003 | Dissolved |
| P&O CRUISES FLEET MANAGEMENT LIMITED | 00742339 | 18/06/2003 | Dissolved |
| PRINCESS CRUISES (1978) LIMITED | 01377823 | 24/08/1991 | Dissolved |
| PRINCESS CRUISES LIMITED | 00657902 | 18/06/2003 | Dissolved |
| PRINCESS TOURS LIMITED | 00559165 | 18/06/2003 | Dissolved |
| Princess Cruises (1958) Ltd | 00613546 | 18/06/2003 | Dissolved |
| SEETOURS INTERNATIONAL LIMITED | 03938706 | 17/04/2003 | Dissolved |
| SILSUB LIMITED | 03963373 | 18/06/2003 | Dissolved |
| Swan, W F & R K Ltd | 00689106 | 18/06/2003 | Dissolved |
| THE MARITIME INDUSTRIES OF THE UNITED KINGDOM | 13249024 | 05/03/2021 | Bronze |
| THE NAVY LEAGUE | 03026363 | 15/09/2022 | Not Trading |
| THE SEA CADET ASSOCIATION | 00404951 | 15/09/2022 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABTA LIMITED | 00551311 | 23/04/2003 | 26/04/2006 | Silver |
| CRUISE LINES INTERNATIONAL ASSOCIATION UK & IRELAND LIMITED | 00620964 | 05/07/2000 | 17/07/2006 | Silver |
| MNP EG LIMITED | 07619470 | 15/09/2011 | 08/01/2019 | Silver |
| P & O TRAVEL LIMITED | 00773151 | 01/03/2003 | 18/06/2018 | Dissolved |
| P&O PRINCESS AMERICAN HOLDINGS | 01453164 | 18/06/2003 | 18/06/2018 | One Red Flag |
| P&O PRINCESS CRUISES INTERNATIONAL LIMITED | 03902746 | 05/08/2011 | 18/06/2018 | One Red Flag |
| P&O PRINCESS CRUISES PENSION TRUSTEE LIMITED | 04069014 | 15/08/2001 | 10/10/2016 | Dissolved |
| PSARA | 02074546 | 05/07/2000 | 07/07/2006 | Dissolved |
| Princess Cruises (1958) Ltd | 00613546 | 24/08/1991 | 05/02/2001 | Dissolved |
| THE BRITISH SHIPPING FEDERATION LIMITED | 02107375 | 23/03/2006 | 02/04/2008 | Not Trading |
| THE CHAMBER OF SHIPPING LIMITED | 02107383 | 21/10/2003 | 20/03/2014 | Silver |