| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AST AIRTIME LIMITED | 05079139 | 19/03/2004 | Dissolved |
| GARDLINE COMMUNICATIONS LIMITED | 03652277 | 20/10/1998 | Dissolved |
| INTERNATIONAL MARINE SERVICE CO. LIMITED | 02952413 | 06/06/2006 | Dissolved |
| Innomark Ltd | 01308037 | 31/12/1992 | Dissolved |
| PN ENDING LIMITED | 05040546 | 27/05/2011 | Dissolved |
| SOUTHTOWN CRANE HIRE LIMITED | 04621093 | 06/06/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALICAT WORKBOATS LIMITED | 06890804 | 01/06/2009 | 15/08/2017 | Silver |
| APPLIED SATELLITE TECHNOLOGY SYSTEMS LIMITED | 03667051 | 12/11/1998 | 06/10/2004 | Silver |
| APPLIED SATELLITE TECHNOLOGY SYSTEMS LIMITED | 03667051 | 12/11/1998 | 06/10/2004 | Silver |
| CHARITY & TAYLOR (ELECTRONIC SERVICES) LIMITED | 01264283 | 31/08/2006 | 11/03/2020 | Amber |
| Corporate Image U K Ltd | 03257936 | 31/12/1997 | 06/10/2004 | Dissolved |
| GARDLINE SHIPPING LIMITED | 00954145 | 07/12/1990 | 15/08/2017 | One Red Flag |
| GCCI PROPERTY INVESTMENTS LIMITED | 04695518 | 06/06/2007 | 15/08/2017 | Dissolved |
| HGL2018 LIMITED | 03776234 | 01/11/2006 | 31/12/2008 | Dissolved |
| RICHARDS DRY DOCK AND ENGINEERING LIMITED | 02978069 | 06/06/2006 | 15/08/2017 | Silver |
| RPA (HOLDINGS) LIMITED | 06504627 | 27/02/2008 | 02/01/2013 | Dissolved |
| SOUTH BOATS IOW LIMITED | 08268934 | 25/10/2012 | 15/08/2017 | Dissolved |
| TRINITY MARINE SERVICES LIMITED | 08003214 | 23/03/2012 | 29/01/2016 | Dissolved |