| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Dart Line 1995 Ltd | 03069158 | 25/01/2006 | Dissolved |
| Dart Solutions Ltd | 00077205 | 25/01/2006 | Dissolved |
| Dartford Ferries Ltd | 01996439 | 25/01/2006 | Dissolved |
| Dartford International Port Management Ltd | 01878830 | 25/01/2006 | Dissolved |
| Ferryline Freight Ltd | 01694205 | 25/01/2006 | Dissolved |
| Ferryline Trailers Ltd | 01530134 | 25/01/2006 | Dissolved |
| Jacobs Holdings Ltd | 00619467 | 25/01/2006 | Dissolved |
| Jacobs Transport Services Ltd | 04162435 | 25/01/2006 | Dissolved |
| Shellhaven Real Estate Ltd | 04654518 | 09/03/2004 | Dissolved |
| Thames Europort Ltd | 02967076 | 25/01/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CDMR KILLINGHOLME LIMITED | 04996461 | 12/01/2004 | 22/08/2006 | Dissolved |
| DART LINE TRUSTEES LIMITED | 03746246 | 25/01/2006 | 25/09/2006 | Not Trading |
| DART SHIPPING LIMITED | 02319248 | 25/01/2006 | 02/11/2006 | Dissolved |
| DARTFORD INTERNATIONAL FERRY TERMINAL (HOLDINGS) LIMITED | 04654546 | 12/11/2003 | 22/08/2006 | Bronze |
| Ropner Ship Management Ltd | 00867803 | 25/01/2006 | 09/03/2006 | Dissolved |
| SIMON GROUP PENSION FUND LIMITED | 03729094 | 23/08/2006 | 23/08/2006 | Not Trading |
| SIMON-HOLDER LIMITED | 01122275 | 23/08/2006 | 30/11/2012 | Dissolved |