| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Amerada Hess Finance Ltd | 02265208 | 09/09/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Amerada Hess (Argentina) Ltd | 03622360 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Brasil) Ltd | 03161810 | 16/09/1996 | 01/12/1999 | Dissolved |
| Amerada Hess (Cao) Ltd | 03365079 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (France) Ltd | 03062758 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Germany) Ltd | 03134997 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Ireland) Ltd | 03200487 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Man) Ltd | 03076049 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Netherlands) Ltd | 03135076 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (South Atlantic) Ltd | 03076055 | 21/03/2002 | 31/03/2004 | Dissolved |
| Amerada Hess (Yemen) Ltd | 03076052 | 21/03/2002 | 31/03/2004 | Dissolved |
| E.ON ENERGY GAS (EASTERN) LIMITED | 04060387 | 22/08/2000 | 01/03/2002 | Not Trading |
| ENWELL ENERGY PLC | 04462555 | 01/09/2004 | 15/01/2007 | Silver |
| HERTFORDSHIRE BUILDING PRESERVATION TRUST LIMITED | 00783226 | 16/06/2020 | 06/10/2021 | Silver |
| HESS (OIL & GAS) LIMITED | 03161815 | 30/09/2001 | 31/03/2004 | Dissolved |
| HESS (UK) INTERNATIONAL HOLDINGS LIMITED | 04084790 | 21/03/2002 | 31/03/2004 | Dissolved |
| HESS FINANCE | 04060353 | 05/09/2002 | 31/03/2004 | Dissolved |
| HESS INTERNATIONAL LIMITED | FC019099 | 28/07/1998 | 01/02/2000 | Amber |
| HESS LIMITED | 00807346 | 21/03/2002 | 31/03/2004 | Gold |
| HESS NWE HOLDINGS | 04114101 | 21/03/2002 | 31/03/2004 | Silver |
| HESS PROPERTY SERVICES LIMITED | SC105595 | 30/09/2001 | 31/03/2004 | Not Trading |
| HESS TRADING LIMITED | 02265209 | 30/09/2001 | 31/03/2004 | Dissolved |
| Hess (Australia) Ltd | 03036775 | 21/03/2002 | 31/03/2004 | Dissolved |
| Hess Indonesia Exploration Ltd | 03062762 | 21/03/2002 | 31/03/2004 | Dissolved |
| MIDLANDS GAS LIMITED | 03364919 | 09/07/1997 | 01/03/2002 | Dissolved |
| North Sea Ltd | 02292197 | 30/09/2001 | 31/03/2004 | Dissolved |
| REGAL EGYPT LIMITED | 05153979 | 13/07/2005 | 15/01/2007 | Dissolved |
| REGAL GROUP SERVICES LIMITED | 05252958 | 07/10/2004 | 15/01/2007 | Dissolved |
| REGAL LIBERIA LIMITED | 05434246 | 25/04/2005 | 15/01/2007 | Strike Off |
| Regal Energy Ltd | 04768166 | 01/09/2004 | 15/01/2007 | Dissolved |
| TXU EUROPE (AH ONLINE) LIMITED | 03364798 | 09/07/1997 | 01/03/2002 | Dissolved |
| TXU EUROPE (AHG) LIMITED | 02630844 | 17/08/1995 | 01/03/2002 | Dissolved |
| TXU EUROPE (AHST) LIMITED | 03568459 | 03/09/1998 | 01/03/2002 | Dissolved |
| Txu Europe (Ahg Shipping Services) Ltd | 03169402 | 22/04/1996 | 01/03/2002 | Dissolved |
| Txu Europe (Ahgd) Ltd | 03076057 | 30/10/1995 | 01/03/2002 | Dissolved |
| WESTERN GAS LIMITED | 02677708 | 01/10/1997 | 01/03/2002 | Dissolved |