| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBHARD LTD | 12444291 | 05/02/2020 | Dissolved |
| General Offshore Ltd | 05329906 | 31/07/2006 | Dissolved |
| Guardone (Uk) Ltd | 04385208 | 01/03/2002 | Dissolved |
| International Merchant Ship Security Organisation Ltd | 05059107 | 02/04/2004 | Dissolved |
| MARITIME AND UNDERWATER SECURITY CONSULTANTS (MUSC) LTD. | 03883845 | 25/11/1999 | Dissolved |
| PIPESPY 2000 LIMITED | 03048603 | 19/05/1995 | Dissolved |
| TRIDENT UNDERWATER ENGINEERING (SYSTEMS) LIMITED | SC089267 | 14/06/1989 | One Red Flag |
| UNDERWATER SECURITY CONSULTANTS LIMITED | 01184587 | 06/07/1995 | Silver |
| YACHT-SECURE LIMITED | 04862825 | 13/09/2007 | Dissolved |
| YACHT-SECURE LIMITED | 04862825 | 01/10/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| General Offshore (U K) Ltd | 02155758 | 01/03/1992 | 08/07/1998 | Dissolved |
| Guardone (Uk) Ltd | 04385208 | 01/03/2002 | 14/11/2005 | Dissolved |
| THE SEA CADET ASSOCIATION | 00404951 | 05/07/1991 | 30/07/1993 | Amber |
| The Navy League (Trading) Company Ltd | 00904587 | 24/02/1992 | 30/07/1993 | Dissolved |
| The Navy League (Trading) Company Ltd | 00904587 | 24/02/1992 | 30/07/1993 | Dissolved |