| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aquaclear Ltd | 02417107 | 10/07/1998 | Dissolved |
| Contract Services (S E) Ltd | 00780689 | 10/07/1998 | Dissolved |
| Hazeley Down Mineral Water Co Ltd | 02531071 | 08/11/1999 | Dissolved |
| Houghton,F,Ltd | 00124136 | 10/07/1998 | Dissolved |
| I T Southern Ltd | 02319239 | 10/07/1998 | Dissolved |
| It Northern Ltd | 03083982 | 10/07/1998 | Dissolved |
| M.W.LONGLEY LIMITED | 00542388 | 10/07/1998 | Dissolved |
| Nationwide Building Services Ltd | 03124445 | 10/07/1998 | Dissolved |
| Northern Water Services Ltd | 03149291 | 10/07/1998 | Dissolved |
| Southern Projects Limited | 02880678 | 10/07/1998 | Dissolved |
| Southern Water Global Ltd | 01257040 | 22/10/1999 | Dissolved |
| Southern Water International Ltd | 03140124 | 10/07/1998 | Dissolved |
| Southern Water Investments Ltd | 03114462 | 10/07/1998 | Dissolved |
| Southern Water Meters Ltd | 01997698 | 10/07/1998 | Dissolved |
| Southern Water Share Scheme Trustees Limited | 02405037 | 10/07/1998 | Dissolved |
| Sterling Recovery Ltd. | 02903155 | 28/02/1994 | Dissolved |
| T & E Hire (Tool & Equipment) Ltd | 01214517 | 30/09/1999 | Dissolved |
| Taylors Glass & Waste Recycling Ltd | 01580070 | 30/09/1999 | Dissolved |
| Water Ltd | 03131576 | 10/07/1998 | Dissolved |
| Waterwatch Ltd | 02534152 | 10/07/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOWSPRIT HOLDINGS LIMITED | 02533888 | 10/07/1998 | 31/05/2003 | Not Trading |
| BOWSPRIT PROPERTY DEVELOPMENT LIMITED | 02357525 | 10/07/1998 | 31/05/2003 | Silver |
| Coastal Wastewater Consultants Ltd | 02633666 | 10/07/1998 | 30/05/2003 | Dissolved |
| ECOCLEAR LIMITED | 02631521 | 10/07/1998 | 31/05/2003 | Not Trading |
| EUROPA NATIONWIDE TECHNICAL SERVICES LIMITED | 03409815 | 04/05/2000 | 20/09/2000 | Dissolved |
| James Leppard & Sons Ltd | 00587478 | 30/09/1999 | 31/05/2003 | Dissolved |
| Linemicro Ltd | 03110321 | 10/07/1998 | 31/05/2003 | Dissolved |
| MONK RAWLING LIMITED | 02354957 | 10/07/1998 | 31/05/2003 | Not Trading |
| Pipeworks Ltd | 02782528 | 08/11/1999 | 31/05/2003 | Dissolved |
| SOUTHERN WATER EXECUTIVE PENSION SCHEME TRUSTEES LIMITED | 02540169 | 13/11/1998 | 31/05/2003 | Not Trading |
| SOUTHERN WATER INDUSTRIES LIMITED | 02317996 | 10/07/1998 | 31/05/2003 | Not Trading |
| SOUTHERN WATER LIMITED | 02366620 | 10/07/1998 | 31/05/2003 | Silver |
| SOUTHERN WATER PENSION TRUSTEES LIMITED | 02484273 | 13/11/1998 | 31/05/2003 | Not Trading |
| SOUTHERN WATER SERVICES FINANCE PLC | 03530752 | 30/10/1998 | 31/05/2003 | Dissolved |
| SOUTHERN WATER SERVICES LIMITED | 02366670 | 01/12/1992 | 31/05/2003 | Silver |
| SWS GROUP HOLDINGS LIMITED | 04324498 | 10/12/2001 | 31/05/2003 | Gold |
| SWS HOLDINGS LIMITED | 04324499 | 10/12/2001 | 31/05/2003 | Gold |
| Southern Science Ltd | 02315401 | 30/09/1999 | 31/05/2003 | Dissolved |
| Southern Water Technologies Ltd | 02548074 | 30/09/1999 | 31/05/2003 | Dissolved |
| Taylor Plant & Haulage Ltd | 01195753 | 30/09/1999 | 31/05/2003 | Dissolved |
| Taylor,E S,(Worthing) Holdings Ltd | 01233568 | 30/09/1999 | 31/05/2003 | Dissolved |
| Tes Environmental Services Ltd | 02143520 | 08/11/1999 | 31/05/2003 | Dissolved |
| Timber Clear Ltd | 02931303 | 10/07/1998 | 31/05/2003 | Dissolved |
| Water Working Ltd | 03026950 | 10/07/1998 | 31/05/2003 | Dissolved |