| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBYNS LIMITED | 06793582 | 16/01/2009 | One Red Flag |
| ATHERTON ALLERGATE LIMITED | 09894386 | 30/11/2015 | Three Red Flags (Highest) |
| CHELSEA MARINE LIMITED | 09695240 | 21/07/2015 | Dissolved |
| DARWIN II LIMITED | 10221514 | 08/06/2016 | Dissolved |
| GREAVES & CO LIMITED | 09043650 | 16/05/2014 | Amber |
| GREAVES MARINE LIMITED | 09978115 | 31/01/2016 | Dissolved |
| LIDDERDALE LIMITED | 07562118 | 14/03/2011 | Dissolved |
| LIDDERDALE NORTH LIMITED | 07562159 | 14/03/2011 | Dissolved |
| MACLEAN MARINE ENGINEERING LIMITED | 09043513 | 16/05/2014 | Amber |
| PARADISE WALK MANAGEMENT COMPANY LTD | 15328952 | 05/12/2023 | Bronze |
| RIVER BOATS LIMITED | 14384795 | 29/09/2022 | Dissolved |
| SETTHORNS II LIMITED | 10768848 | 12/05/2017 | Dissolved |
| SETTHORNS LIMITED | 07594183 | 06/04/2011 | Dissolved |
| SHUTTLEWOOD MARINE LIMITED | 12977095 | 27/10/2020 | One Red Flag |
| TAMESIS (ALBERT) LIMITED | 08335927 | 19/12/2012 | Dissolved |
| TAMESIS (BATTERSEA) LIMITED | 08335965 | 19/12/2012 | Dissolved |
| TAMESIS (CHELSEA) LIMITED | 08335979 | 19/12/2012 | Dissolved |
| TAMESIS LIMITED | 08335150 | 18/12/2012 | Amber |
| THAMES RIVER INVESTMENTS LIMITED | 07706650 | 15/07/2011 | One Red Flag |
| THAMES RIVER MOORINGS LIMITED | 13748631 | 17/11/2021 | Bronze |
| THE BORNE FOUNDATION | 09788534 | 22/09/2015 | Gold |
| TRM MARINE LTD | 11820489 | 11/02/2019 | One Red Flag |
| VICEROY MARINE LIMITED | 13283774 | 22/03/2021 | One Red Flag |
| WATERMANS RIVERSIDE LIMITED | 11426350 | 21/06/2018 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|