| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Birkenhead Shiprepair Yard Ltd | 04357082 | 27/05/2005 | Dissolved |
| C L Realisations (2004) Ltd | 01788799 | 31/08/1999 | Dissolved |
| Northwestern Shiprepairers & Shipbuilders Ltd | 06029349 | 26/03/2008 | Dissolved |
| Northwestern Shiprepairers & Shipbuilders Ltd | 06029349 | 14/02/2007 | Dissolved |
| SCOTT LITHGOW SHIPREPAIRERS LIMITED | 04995177 | 25/11/2004 | Dissolved |
| WRIGHT & BEYER LIMITED | 00337971 | 14/01/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATLANTIC & PENINSULA MARINE SERVICES LIMITED | 07519952 | 25/02/2011 | 01/12/2020 | Silver |
| CAMMELL LAIRD (MERSEYSIDE) LIMITED | 02768718 | 04/05/1994 | 18/07/2008 | Dissolved |
| CAMMELL LAIRD GROUP PLC | 04076865 | 26/01/2001 | 18/07/2008 | Bronze |
| CAMMELL LAIRD HOLDINGS PLC | 03387847 | 26/06/1997 | 26/01/2001 | Dissolved |
| CAMMELL LAIRD SHIPREPAIRERS & SHIPBUILDERS LIMITED | 04211637 | 24/01/2002 | 01/12/2020 | Silver |
| NEWAY INDUSTRIAL AND ENVIRONMENTAL SERVICES LIMITED | 06503981 | 14/02/2008 | 10/11/2020 | One Red Flag |
| WIRRAL CHAMBER OF COMMERCE AND INDUSTRY | 00120076 | 24/07/2014 | 19/01/2018 | One Red Flag |
| Warbreck Engineering Ltd | 02212084 | 04/11/1999 | 24/05/2002 | Dissolved |