| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Nomad Estates Ltd | 03008830 | 09/01/1997 | Dissolved |
| Nomad Estates Ltd | 03008830 | 25/01/1995 | Dissolved |
| Old Renex Ltd | 03195628 | 23/05/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BECHTEL WATER TECHNOLOGY LIMITED | 02356216 | 07/08/1992 | 19/11/1993 | Dissolved |
| CARDPOINT LIMITED | 04098226 | 16/10/2006 | 05/12/2007 | Silver |
| CELLTECH GROUP LIMITED | 02159282 | 24/04/1991 | 03/08/1999 | Gold |
| CELLTECH R&D LIMITED | 01472269 | 24/04/1991 | 01/10/1993 | Gold |
| Changescent Ltd | 03234226 | 21/08/1996 | 01/04/1999 | Dissolved |
| Changescent Ltd | 03234226 | 21/08/1996 | 01/04/1999 | Dissolved |
| E-DOC GROUP PENSION SCHEME TRUSTEE LIMITED | 03323715 | 18/07/1997 | 01/04/1999 | Not Trading |
| E-Doc Group Employee Benefit Trustees Ltd | 03334256 | 18/07/1997 | 01/04/1999 | Dissolved |
| ICON DEVELOPMENT SOLUTIONS LIMITED | 01707169 | 15/11/1996 | 13/10/1998 | One Red Flag |
| LAKELAND SMOLT LIMITED | 02146786 | 27/12/1992 | 16/06/1993 | Dissolved |
| Letteralter Ltd | 03323713 | 18/07/1997 | 01/04/1999 | Dissolved |
| NORTH WEST WATER INTERNATIONAL LIMITED | 02374797 | 02/11/1992 | 19/11/1993 | Dissolved |
| National Publishing Ltd | 03334248 | 18/07/1997 | 01/04/1999 | Dissolved |
| Orion Group Ltd | 03349850 | 22/05/2001 | 26/01/2004 | Dissolved |
| RR DONNELLEY GLOBAL DOCUMENT SOLUTIONS LIMITED | 03906860 | 15/02/2000 | 20/06/2005 | Dissolved |
| RRD PM HOLDINGS LIMITED | 03647911 | 01/04/1999 | 17/02/2000 | Dissolved |
| SOUTHERN WATER (NR) HOLDINGS LIMITED | 04772485 | 09/07/2003 | 23/01/2008 | Silver |
| SOUTHERN WATER (NR) LIMITED | SC215844 | 13/05/2003 | 23/01/2008 | Silver |
| SOUTHERN WATER CAPITAL LIMITED | 04608528 | 07/09/2004 | 23/01/2008 | Silver |
| SOUTHERN WATER INVESTMENTS LIMITED | 04650294 | 13/05/2003 | 23/01/2008 | Amber |
| SOUTHERN WATER LIMITED | 02366620 | 13/05/2003 | 23/01/2008 | Silver |
| SOUTHERN WATER SERVICES GROUP LIMITED | 04374956 | 13/05/2003 | 23/01/2008 | Gold |
| SOUTHERN WATER SERVICES LIMITED | 02366670 | 13/05/2003 | 23/01/2008 | Bronze |
| Spring Bank Water Systems Ltd | 02619737 | 12/06/1992 | 23/02/1993 | Dissolved |
| THE STATIONERY OFFICE GROUP LIMITED | 03183931 | 05/09/1996 | 07/10/1996 | Dissolved |
| THE STATIONERY OFFICE GROUP LIMITED | 03183931 | 05/09/1996 | 01/04/1999 | Dissolved |
| THE STATIONERY OFFICE LIMITED | 03049649 | 30/09/1996 | 12/02/1997 | Bronze |
| THE STATIONERY OFFICE TRUSTEES LIMITED | 03245986 | 27/09/1996 | 14/04/1997 | Dissolved |
| The Stationery Office Bookshop Ltd | 03323714 | 18/07/1997 | 01/04/1999 | Dissolved |
| UNITED UTILITIES (OVERSEAS HOLDINGS) LIMITED | 02536732 | 04/09/1992 | 19/11/1993 | Not Trading |
| UNITED UTILITIES PLC | 02366616 | 08/08/1992 | 19/11/1993 | Bronze |
| UNITED UTILITIES WATER LIMITED | 02366678 | 07/08/1992 | 19/11/1993 | Silver |
| United Utilities Properties Ltd | 02333311 | 07/08/1992 | 23/02/1993 | Dissolved |
| VTW ANLAGEN UK LIMITED | 00156848 | 17/09/1991 | 19/11/1993 | Dissolved |
| WHATMAN INTERNATIONAL LIMITED | 00106789 | 09/02/2003 | 06/10/2003 | Bronze |
| WHATMAN LIMITED | 00630958 | 07/10/2002 | 17/12/2007 | Bronze |