| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CORY SMIT WIJSMULLER LIMITED | 03101634 | 21/05/2009 | Dissolved |
| HUMBER TUGS LIMITED | 03124502 | 04/04/2007 | Dissolved |
| Haven Tugs Ltd | 05816855 | 15/06/2007 | Dissolved |
| Haven Tugs Ltd | 05816855 | 04/04/2007 | Dissolved |
| Medway Tugs Ltd | 05742191 | 15/06/2007 | Dissolved |
| Medway Tugs Ltd | 05742191 | 04/04/2007 | Dissolved |
| Mersey Tugs Ltd | 05742381 | 04/04/2007 | Dissolved |
| ROYAL TERRACE PIER ESTATE COMPANY,LIMITED(THE) | 00039148 | 02/04/2007 | Dissolved |
| SVITZER CREW SERVICES LIMITED | 00185144 | 01/12/2006 | Dissolved |
| Solent Tugs Ltd | 05742193 | 15/06/2007 | Dissolved |
| Solent Tugs Ltd | 05742193 | 04/04/2007 | Dissolved |
| Svitzer P T Ltd | 04066923 | 01/12/2006 | Dissolved |
| Svitzer P T Ltd | 04066923 | 01/12/2006 | Dissolved |
| Svitzer Personnel Services Ltd | 04563569 | 04/04/2007 | Dissolved |
| Svitzer SPC3 Ltd | 04625083 | 15/06/2007 | Dissolved |
| Svitzer SPC3 Ltd | 04625083 | 04/04/2007 | Dissolved |
| Svitzer Towage (Southampton) Ltd | 04136963 | 04/04/2007 | Dissolved |
| Thames Tugs Ltd | 05816856 | 15/06/2007 | Dissolved |
| Thames Tugs Ltd | 05816856 | 04/04/2007 | Dissolved |
| The Alexandra Towing Co Ltd | 01313397 | 15/06/2007 | Dissolved |
| The Alexandra Towing Co Ltd | 01313397 | 09/02/2007 | Dissolved |
| UNITED SALVAGE LIMITED | 00229347 | 04/04/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CORY SMIT WIJSMULLER LIMITED | 03101634 | 01/12/2006 | 13/08/2009 | Dissolved |
| ESVAGT HOLDINGS LIMITED | 05378041 | 05/11/2010 | 26/10/2012 | Gold |
| ESVAGT UK LIMITED | 05661200 | 05/11/2010 | 26/10/2012 | Bronze |
| FELIXARC MARINE LIMITED | 04094541 | 15/06/2007 | 13/08/2009 | Silver |
| FELIXARC MARINE LIMITED | 04094541 | 04/04/2007 | 31/12/2012 | Silver |
| HUMBER TUGS LIMITED | 03124502 | 15/06/2007 | 13/08/2009 | Dissolved |
| ROYAL TERRACE PIER ESTATE COMPANY,LIMITED(THE) | 00039148 | 15/06/2007 | 13/08/2009 | Dissolved |
| SVITZER CREW SERVICES LIMITED | 00185144 | 01/12/2006 | 13/08/2009 | Dissolved |
| SVITZER EASTLANDS LIMITED | 02103679 | 15/06/2007 | 13/08/2009 | Dissolved |
| SVITZER EASTLANDS LIMITED | 02103679 | 04/04/2007 | 31/12/2012 | Dissolved |
| SVITZER HOLDING UK LIMITED | 03897560 | 01/12/2006 | 13/08/2009 | Dissolved |
| SVITZER HOLDING UK LIMITED | 03897560 | 01/12/2006 | 25/09/2007 | Dissolved |
| SVITZER HUMBER LIMITED | 00524008 | 15/06/2007 | 13/08/2009 | Dissolved |
| SVITZER HUMBER LIMITED | 00524008 | 04/04/2007 | 31/12/2012 | Dissolved |
| SVITZER MARINE LIMITED | 00069494 | 01/12/2006 | 13/08/2009 | Gold |
| SVITZER MARINE LIMITED | 00069494 | 01/06/2007 | 31/12/2012 | Gold |
| SVITZER SPC4 LIMITED | 05472015 | 15/06/2007 | 13/08/2009 | Dissolved |
| SVITZER SPC4 LIMITED | 05472015 | 04/04/2007 | 31/12/2012 | Dissolved |
| SVITZER TOWAGE LIMITED | 00024907 | 15/06/2007 | 13/08/2009 | Dissolved |
| SVITZER TOWAGE LIMITED | 00024907 | 04/04/2007 | 31/12/2012 | Dissolved |
| SVITZER TUGMENS TRUSTEES LIMITED | 02918341 | 25/09/2008 | 24/09/2009 | Dissolved |
| SVITZER UK TRUSTEES LIMITED | 07746560 | 19/08/2011 | 31/12/2012 | Not Trading |
| Svitzer Personnel Services Ltd | 04563569 | 15/06/2007 | 13/08/2009 | Dissolved |
| Svitzer Towage (Southampton) Ltd | 04136963 | 15/06/2007 | 13/08/2009 | Dissolved |
| TRIBO - SYNTHETICS LIMITED | 05263130 | 20/05/2005 | 01/03/2007 | Silver |
| TYNE TOWAGE MARINE LIMITED | SC002997 | 01/12/2006 | 13/08/2009 | Dissolved |
| TYNE TOWAGE MARINE LIMITED | SC002997 | 01/12/2006 | 31/12/2012 | Dissolved |
| UNITED SALVAGE LIMITED | 00229347 | 15/06/2007 | 13/08/2009 | Dissolved |
| UNITED TOWING LIMITED | 00172316 | 15/06/2007 | 13/08/2009 | Dissolved |
| UNITED TOWING LIMITED | 00172316 | 04/04/2007 | 31/12/2012 | Dissolved |