| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ardeby Ltd | 01608419 | 14/10/1991 | Dissolved |
| BWS FINANCE LIMITED | 05471977 | 01/01/2013 | Dissolved |
| SEMBCORP (U.K) LIMITED | 02328585 | 01/01/2013 | Dissolved |
| SEMBCORP INVESTMENTS (U.K) LIMITED | 07283293 | 24/01/2013 | Dissolved |
| SEMBCORP UTILITIES (BOURNEMOUTH) LIMITED | 06532827 | 01/01/2013 | Dissolved |
| THE CLOSE FILM SALE AND LEASEBACK (2004/5) LLP | OC306215 | 21/03/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALDERNEY WATER LIMITED | 05598451 | 28/09/2011 | 03/07/2014 | Dissolved |
| AQUACARE (BWH) LIMITED | 06523232 | 28/09/2011 | 03/07/2014 | Dissolved |
| AQUILA POWER INVESTMENTS LIMITED | 03600770 | 30/04/2004 | 24/10/2006 | Dissolved |
| AQUILA STERLING LIMITED | 04391954 | 16/01/2004 | 13/10/2006 | Dissolved |
| AVON ENERGY PARTNERS HOLDINGS | 03196714 | 16/01/2004 | 02/02/2007 | Dissolved |
| BIOGENERATION LIMITED | 02970302 | 31/07/2006 | 07/03/2008 | Dissolved |
| BOURNEMOUTH WATER INVESTMENTS LIMITED | 05321147 | 28/09/2011 | 03/07/2014 | Dissolved |
| BOURNEMOUTH WATER LIMITED | 02924312 | 28/09/2011 | 03/07/2014 | Dissolved |
| BWH ENTERPRISES LIMITED | 03764413 | 28/09/2011 | 03/07/2014 | Dissolved |
| CELL SITE CONNECTION SERVICES LIMITED | 04566781 | 01/07/2003 | 02/10/2006 | Dissolved |
| CITIGEN (LONDON) LIMITED | 02427823 | 04/07/2007 | 01/01/2008 | Bronze |
| E.ON UK CHP LIMITED | 02684288 | 04/07/2007 | 01/01/2008 | Silver |
| E.ON UK GREEN FUNDING SOLUTIONS LIMITED | 02730697 | 04/07/2007 | 01/01/2008 | Gold |
| E.ON UK TRADING LIMITED | 04178314 | 31/10/2006 | 30/06/2009 | Dissolved |
| E.ON UK TRUSTEES LIMITED | 05102988 | 26/04/2004 | 05/08/2009 | Not Trading |
| EAST MIDLANDS ELECTRICITY DISTRIBUTION HOLDINGS | 04254217 | 28/03/2003 | 01/04/2003 | Dissolved |
| EBICO LIMITED | 03507095 | 18/12/2015 | 15/04/2019 | Gold |
| EBICO TRADING LIMITED | 09564763 | 12/06/2015 | 15/04/2019 | Gold |
| ELECTRICITY PENSIONS TRUSTEE LIMITED | 02479327 | 12/12/2003 | 31/03/2005 | Bronze |
| EME DISTRIBUTION NO. 2 LIMITED | 04919996 | 09/10/2003 | 02/10/2006 | Dissolved |
| HOLFORD GAS STORAGE LIMITED | SC254265 | 20/10/2006 | 01/01/2008 | Silver |
| METERING SERVICES LIMITED | 03440985 | 24/02/2004 | 18/05/2006 | Dissolved |
| MIDLANDS ELECTRICITY CONNECTIONS LIMITED | 02665218 | 24/02/2004 | 21/02/2006 | Strike Off |
| MIDLANDS ELECTRICITY ENGINEERING SERVICES LIMITED | 03010990 | 24/02/2004 | 21/02/2006 | Strike Off |
| Midlands Data Centre Management Ltd | 03402572 | 30/04/2004 | 21/02/2006 | Dissolved |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC | 02366923 | 01/03/2002 | 02/10/2006 | Silver |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC | 03600574 | 30/06/2004 | 02/10/2006 | Silver |
| POWERGEN UK INVESTMENTS | 04116668 | 19/12/2008 | 01/07/2009 | Not Trading |
| PRE-HEAT LIMITED | 03266027 | 28/09/2011 | 03/07/2014 | Dissolved |
| QUADRANT PIPELINES LIMITED | 02528816 | 01/03/2002 | 31/03/2003 | Gold |
| ROGER WALKER TRAVEL LIMITED | 02116251 | 14/10/1991 | 18/06/1998 | Amber |
| SEMBCORP HOLDINGS LIMITED | 06707340 | 01/01/2013 | 03/07/2014 | Silver |
| SEMBCORP INVESTMENTS (CHINA) LIMITED | 06894845 | 01/01/2013 | 03/07/2014 | Silver |
| SEVEN SEAS WATER (PANAMA) HOLDINGS LTD | 02215221 | 01/01/2013 | 03/07/2014 | Silver |
| UNIPER ENERGY TRADING UK STAFF COMPANY LIMITED | 06567122 | 22/05/2008 | 30/06/2009 | Bronze |
| UNIPER UK COTTAM LIMITED | 03273552 | 15/10/2007 | 01/01/2008 | Not Trading |
| UNIPER UK GAS LIMITED | 02436332 | 04/07/2007 | 01/01/2008 | Gold |
| WEST HAMPSHIRE WATER LIMITED | 05598453 | 28/09/2011 | 03/07/2014 | Dissolved |
| WPD MIDLANDS NETWORKS CONTRACTING LIMITED | 02710658 | 24/02/2004 | 02/10/2006 | Dissolved |
| WPD MIDLANDS PROPERTIES LIMITED | 03600545 | 21/02/2006 | 02/10/2006 | Dissolved |