| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Buchan Environmental Ltd | SC183432 | 11/09/1998 | Dissolved |
| General Community Services Plc | 02933077 | 16/07/1996 | Dissolved |
| General Utilities (Scotland) Ltd. | SC172179 | 10/02/1997 | Dissolved |
| Jm Corporate Transactions Ltd | 04997195 | 16/12/2003 | Dissolved |
| LDR REALISATIONS 2019 LIMITED | 08489878 | 24/10/2016 | Dissolved |
| Midsummer Services Holdings Ltd | 02912668 | 03/08/1998 | Dissolved |
| Saltire Water Ltd. | SC175060 | 01/05/1997 | Dissolved |
| TALISMAN PARTNERS LLP | OC377437 | 06/08/2012 | Dissolved |
| Vivendi Uk Cable Finance Ltd | 03608345 | 04/09/1998 | Dissolved |
| Waverley Environmental Ltd. | SC175061 | 01/05/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AFC ENERGY PLC | 05668788 | 05/12/2017 | 31/07/2023 | Amber |
| AFFINITY WATER CAPITAL FUNDS LIMITED | 02630142 | 05/09/1996 | 30/11/2003 | Gold |
| AFFINITY WATER EAST LIMITED | 02663338 | 11/09/1996 | 30/11/2003 | Gold |
| Decision Industries (G B) Ltd | 02072249 | 01/04/1992 | 26/05/1995 | Dissolved |
| Decision Systems International Ltd | 01110287 | 28/09/1992 | 26/05/1995 | Dissolved |
| GENERAL UTILITIES HOLDINGS LIMITED | 02263030 | 05/09/1996 | 30/11/2003 | Dissolved |
| GENERAL UTILITIES LIMITED | 02417014 | 05/09/1996 | 30/11/2003 | Dissolved |
| General Entertainment Ltd | 02495797 | 04/10/1999 | 29/11/2001 | Dissolved |
| General Industrial Water Ltd | 02485151 | 29/07/1998 | 30/11/2003 | Dissolved |
| Genutil Ltd | 02354909 | 29/07/1998 | 30/11/2003 | Dissolved |
| LECLANCHE UK LTD | 08984735 | 08/04/2014 | 04/06/2014 | One Red Flag |
| NORTH SURREY WATER LIMITED | 02664524 | 10/09/1998 | 30/11/2003 | Dissolved |
| PS EXECUTIVE CONSULTANCY LIMITED | 04896485 | 11/09/2003 | 30/11/2003 | Not Trading |
| PSEC LIMITED | 02997291 | 16/07/1996 | 30/11/2003 | Not Trading |
| RICKMANSWORTH WATER LIMITED | 02546949 | 12/06/2003 | 30/11/2003 | Dissolved |
| SOUTHERN WATER (NR) HOLDINGS LIMITED | 04772485 | 15/09/2003 | 30/11/2003 | Silver |
| SOUTHERN WATER (NR) LIMITED | SC215844 | 15/09/2003 | 30/11/2003 | Bronze |
| SOUTHERN WATER INVESTMENTS LIMITED | 04650294 | 28/01/2003 | 07/05/2003 | One Red Flag |
| SOUTHERN WATER LIMITED | 02366620 | 16/05/2003 | 16/07/2003 | Bronze |
| SOUTHERN WATER SERVICES GROUP LIMITED | 04374956 | 15/09/2003 | 30/11/2003 | Silver |
| SOUTHERN WATER SERVICES LIMITED | 02366670 | 15/09/2003 | 30/11/2003 | Bronze |
| TUNUR (UK) LTD | 07848390 | 19/11/2012 | 02/05/2013 | One Red Flag |
| Three Valleys Water Services Ltd | 02369587 | 05/09/1996 | 30/11/2003 | Dissolved |
| Urban Software Ltd | 02012856 | 29/07/1998 | 14/09/1999 | Dissolved |
| VEOLIA ES HOLDINGS (UK) LIMITED | 03377234 | 27/08/1997 | 15/12/1997 | One Red Flag |
| VEOLIA UK PENSION TRUSTEES LIMITED | 02957327 | 05/09/1996 | 31/03/2004 | Not Trading |
| VEOLIA WATER INVESTMENT LIMITED | 04650320 | 28/01/2003 | 30/11/2003 | Dissolved |
| VEOLIA WATER PROJECTS LIMITED | 02490118 | 05/09/1996 | 30/11/2003 | Gold |
| VEOLIA WATER UK LIMITED | 02127283 | 05/09/1996 | 30/11/2003 | Silver |
| Veolia Water Utilities Ltd | 03965674 | 20/04/2000 | 30/11/2003 | Dissolved |