| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Belship Ltd | 03279909 | 18/11/1996 | Dissolved |
| Bulk Asia Co (U K) Ltd | 01112294 | 21/12/1992 | Dissolved |
| Callminster Ltd | 04957242 | 19/11/2003 | Dissolved |
| Cobelfret (2007) Ltd | 05432816 | 22/04/2005 | Dissolved |
| Cobelfret Ferries | FC027267 | 17/01/2007 | Dissolved |
| DART 3 LIMITED | 04598223 | 25/01/2006 | Dissolved |
| DART 4 LIMITED | 04598201 | 25/01/2006 | Dissolved |
| 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 |
| Divineline Ltd | 03795962 | 04/05/2000 | Dissolved |
| FREE HAVEN LIMITED | 05025383 | 10/02/2004 | Dissolved |
| Ferryline Freight Ltd | 01694205 | 25/01/2006 | Dissolved |
| Ferryline Trailers Ltd | 01530134 | 25/01/2006 | Dissolved |
| JACOBS VII LIMITED | 00329304 | 25/01/2006 | Dissolved |
| Jacobs Holdings Ltd | 00619467 | 25/01/2006 | Dissolved |
| Jacobs Transport Services Ltd | 04162435 | 25/01/2006 | Dissolved |
| Ropner Ship Management Ltd | 00867803 | 25/01/2006 | Dissolved |
| S G M Consulting & Management Ltd | 02741660 | 12/11/1992 | Dissolved |
| Thames Europort Ltd | 02967076 | 25/01/2006 | Dissolved |
| Tyfon Ltd | 02700887 | 01/12/1995 | Dissolved |
| V E C (Purfleet) Ltd | 03113156 | 12/10/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACTZONE LIMITED | 05448362 | 03/06/2011 | 27/05/2013 | One Red Flag |
| C.RO PORTS DARTFORD LIMITED | 00462000 | 25/01/2006 | 27/05/2013 | Bronze |
| C.RO PORTS IPSWICH LIMITED | 06456696 | 18/12/2007 | 27/05/2013 | Dissolved |
| CDMR KILLINGHOLME LIMITED | 04996461 | 06/10/2006 | 26/06/2008 | Dissolved |
| CLDN CARGO UK LTD | 05523357 | 01/08/2005 | 27/05/2013 | Gold |
| CLDN PORTS LIMITED | 02659496 | 01/11/1992 | 07/04/1998 | Gold |
| CLDN PORTS LONDON LIMITED | 02535265 | 29/08/1992 | 07/04/1998 | Gold |
| CLDN RORO AGENCIES LIMITED | 01651777 | 05/11/1992 | 15/09/1994 | Bronze |
| CLDN RORO AGENCIES LIMITED | 01651777 | 05/11/1992 | 27/05/2013 | Bronze |
| CRANMER CLIFF GARDENS MANAGEMENT COMPANY LIMITED | 05569411 | 01/01/2007 | 18/07/2011 | Bronze |
| DART 9 LIMITED | 00156813 | 25/01/2006 | 27/05/2013 | Silver |
| DART LINE TRUSTEES LIMITED | 03746246 | 25/01/2006 | 27/05/2013 | Not Trading |
| DART SHIPPING LIMITED | 02319248 | 25/01/2006 | 27/05/2013 | Dissolved |
| DARTFORD INTERNATIONAL FERRY TERMINAL (OPERATING) LIMITED | 02368138 | 25/01/2006 | 27/05/2013 | Silver |
| DEEP WHARF CONSULTING LIMITED | 06491753 | 04/02/2008 | 06/04/2008 | Dissolved |
| DEEP WHARF CONSULTING LIMITED | 06491753 | 04/02/2008 | 16/05/2013 | Dissolved |
| EXREALM LIMITED | 03796599 | 06/03/2008 | 17/03/2011 | Dissolved |
| MYSTICLAND LIMITED | 07018257 | 24/12/2010 | 27/05/2013 | Dissolved |
| PARK PLACE 5 LIMITED | 06874454 | 08/04/2009 | 11/12/2009 | Bronze |
| PURFLEET REAL ESTATE LIMITED | 02657863 | 28/10/1992 | 07/04/1998 | Bronze |
| Wallenius Lines U K Ltd | 02449578 | 26/11/1991 | 07/04/1993 | Dissolved |