| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COLLINSWOOD TRADING LIMITED | 00731466 | 01/09/1991 | Dissolved |
| Fitzalan Court Ltd | 01496648 | 01/09/1991 | Dissolved |
| GUINNESS MAHON FINANCE LIMITED | 01478667 | 01/09/1991 | Dissolved |
| Guinness Peat Chemicals Ltd | 00416623 | 01/09/1991 | Dissolved |
| Guinness Peat Chemicals Ltd | 00416623 | 01/09/1991 | Dissolved |
| Gunn Petroleum Ltd | 02060778 | 29/05/1992 | Dissolved |
| Hautpas Ltd | 01137767 | 08/05/1992 | Dissolved |
| Hautpas Ltd | 01137767 | 27/09/1996 | Dissolved |
| L A S M O (Corby) Ltd | 01125087 | 29/05/1992 | Dissolved |
| L A S M O (Corby) Ltd | 01125087 | 30/09/1996 | Dissolved |
| L A S M O (U E U K) Ltd | 02093218 | 29/05/1992 | Dissolved |
| L A S M O (U E U K) Ltd | 02093218 | 23/12/1993 | Dissolved |
| L A S M O (U S P A R) Ltd | 02093432 | 29/05/1992 | Dissolved |
| L A S M O (U S P A R) Ltd | 02093432 | 15/02/1994 | Dissolved |
| LASMO PETROLEUM (MINERALS) LIMITED | 01073330 | 08/05/1992 | Dissolved |
| LASMO PETROLEUM (MINERALS) LIMITED | 01073330 | 30/09/1996 | Dissolved |
| Lasmo (Tsp) Ltd | SC049025 | 06/04/1992 | Dissolved |
| Lasmo (Tsp) Ltd | SC049025 | 30/07/1997 | Dissolved |
| Lasmo Caracas Ltd | 03378814 | 08/07/1997 | Dissolved |
| Lasmo Claymore Petroleum Ltd | SC056731 | 06/04/1992 | Dissolved |
| Lasmo Claymore Petroleum Ltd | SC056731 | 30/09/1996 | Dissolved |
| Lasmo Dacion Ltd | 03378818 | 08/07/1997 | Dissolved |
| Lasmo Fifi Zaitun Ltd | 02451352 | 08/05/1992 | Dissolved |
| Lasmo Fifi Zaitun Ltd | 02451352 | 15/02/1994 | Dissolved |
| Lasmo Oil (Trinidad and Tobago) Ltd | 02397180 | 08/05/1992 | Dissolved |
| Lasmo Shipping Ltd | 02623168 | 06/04/1992 | Dissolved |
| Lasmo Shipping Ltd | 02623168 | 11/01/1993 | Dissolved |
| Lasmo Singapore Ltd | 01852008 | 08/05/1992 | Dissolved |
| Lasmo Singapore Ltd | 01852008 | 15/02/1994 | Dissolved |
| Lasmo Tangerang Ltd | 02334541 | 08/05/1992 | Dissolved |
| Lasmo Tangerang Ltd | 02334541 | 15/02/1994 | Dissolved |
| Lasmo Tonkin Ltd | 02369773 | 08/05/1992 | Dissolved |
| Lasmo Venezuela Ltd | 03378827 | 08/07/1997 | Dissolved |
| Neptune (T T 0) | 01499050 | 08/05/1992 | Dissolved |
| Neptune (T T 0) | 01499050 | 30/09/1996 | Dissolved |
| Oil Exploration Ltd | 02397293 | 08/05/1992 | Dissolved |
| Oil Exploration(Scotland) Ltd | SC060495 | 06/04/1992 | Dissolved |
| Oil Exploration(Scotland) Ltd | SC060495 | 15/02/1994 | Dissolved |
| Ultramar Products Ltd | 01081695 | 29/05/1992 | Dissolved |
| Wigglesworth Ltd | 00145457 | 01/09/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 37 LOMBARD STREET LIMITED | 01741855 | 01/09/1991 | 13/12/1991 | Dissolved |
| AON 04 LIMITED | 01947283 | 23/01/1998 | 19/02/1999 | Dissolved |
| AQUIS STOCK EXCHANGE LIMITED | 04309969 | 12/12/2001 | 08/01/2007 | Silver |
| Adur Civic Development Co Ltd | 01086201 | 01/09/1991 | 13/12/1991 | Dissolved |
| BEACH ENERGY (BASS GAS) LIMITED | 02397248 | 08/05/1992 | 31/03/1993 | Silver |
| Blackfriars Oil & Gas Ltd | 00818091 | 29/05/1992 | 30/04/1999 | Dissolved |
| Blackfriars Oil & Gas Ltd | 00818091 | 30/09/1996 | 01/02/1999 | Dissolved |
| CENTRICA PRODUCTION (DMF) LIMITED | 01483729 | 03/04/1996 | 30/04/1999 | Dissolved |
| CRAVENSTREET LIMITED | 03819471 | 09/11/1999 | 21/11/2001 | Dissolved |
| DIGITALBOX PLC | 04606754 | 05/03/2003 | 08/01/2007 | Silver |
| ENI BTC LIMITED | 01044120 | 08/05/1992 | 30/04/1999 | Amber |
| ENI BTC LIMITED | 01044120 | 15/02/1994 | 01/02/1999 | Amber |
| ENI INDONESIA LIMITED | 02334535 | 08/05/1992 | 30/04/1999 | Not Trading |
| ENI INTERNATIONAL LIMITED | 01431033 | 08/05/1992 | 30/04/1999 | Dissolved |
| ENI INTERNATIONAL LIMITED | 01431033 | 11/09/1997 | 01/02/1999 | Dissolved |
| ENI KRUENG MANE LIMITED | 03562003 | 06/05/1998 | 30/04/1999 | Not Trading |
| ENI LASMO PLC | 01008965 | 08/05/1992 | 30/04/1999 | Gold |
| ENI LNS LIMITED | 00970280 | 08/05/1992 | 30/04/1999 | Not Trading |
| ENI MIDDLE EAST LIMITED | 03180997 | 01/04/1996 | 30/04/1999 | Amber |
| ENI MIDDLE EAST LIMITED | 03180997 | 01/04/1996 | 23/10/1996 | Amber |
| ENI OIL ALGERIA LIMITED | 02274210 | 08/05/1992 | 30/04/1999 | Gold |
| ENI TNS LIMITED | SC055200 | 06/04/1992 | 30/04/1999 | Not Trading |
| ENI TTO LIMITED | 00196665 | 08/05/1992 | 30/04/1999 | Dissolved |
| ENI UFL LIMITED | 02325373 | 29/05/1992 | 30/04/1999 | Dissolved |
| ENI UFL LIMITED | 02325373 | 15/02/1994 | 01/02/1999 | Dissolved |
| ENI UHL LIMITED | 00916179 | 15/02/1994 | 30/04/1999 | Silver |
| ENI UHL LIMITED | 00916179 | 08/05/1994 | 01/02/1999 | Silver |
| ENI ULT LIMITED | 00301317 | 29/05/1992 | 30/04/1999 | Silver |
| ENI ULT LIMITED | 00301317 | 11/09/1997 | 01/02/1999 | Silver |
| ENI ULX LIMITED | 00936223 | 29/05/1992 | 30/04/1999 | Silver |
| Eni International Exploration Ltd | 02451388 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Lasmo Trustee Ltd | 02507284 | 29/05/1992 | 30/04/1999 | Dissolved |
| Eni Lasmo Trustee Ltd | 02507284 | 23/12/1997 | 01/02/1999 | Dissolved |
| Eni Linv Ltd | 02451354 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Linv Ltd | 02451354 | 15/02/1994 | 01/02/1999 | Dissolved |
| Eni Malacca Ltd | 01664303 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Malacca Ltd | 01664303 | 05/03/1998 | 01/02/1999 | Dissolved |
| Eni Malagot Ltd | 03478543 | 04/12/1997 | 30/04/1999 | Dissolved |
| Eni Malagot Ltd | 03478543 | 04/12/1997 | 04/12/1997 | Dissolved |
| Eni Methodplan Ltd | 02642814 | 04/09/1992 | 30/04/1999 | Dissolved |
| Eni Methodplan Ltd | 02642814 | 15/04/1996 | 01/02/1999 | Dissolved |
| Eni Neptune Ltd | 01198236 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Neptune Ltd | 01198236 | 15/02/1994 | 01/02/1999 | Dissolved |
| Eni Overseas Holdings Ltd | 01431776 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Securities Ltd | 02351633 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Securities Ltd | 02351633 | 15/02/1994 | 01/02/1999 | Dissolved |
| Eni Tns Holdings Ltd | 00518762 | 08/05/1992 | 30/04/1999 | Dissolved |
| Eni Trading Ltd | 01521565 | 08/05/1992 | 30/04/1999 | Dissolved |
| Fosso Moliano Ltd | 02947540 | 17/06/1997 | 30/03/1999 | Dissolved |
| GLOBAL RIGHTS DEVELOPMENT LIMITED | 02771489 | 21/11/2001 | 30/09/2004 | Silver |
| GUINNESS MAHON GROUP LIMITED | 01627626 | 01/09/1991 | 31/12/1991 | Not Trading |
| GUINNESS MAHON GROUP LIMITED | 01627626 | 01/09/1991 | 13/12/1991 | Not Trading |
| GUINNESS MAHON PENSION FUND TRUSTEES LIMITED | 01524848 | 01/09/1992 | 23/11/2018 | Insolvent |
| Guinness Mahon Energy Ltd | 00617087 | 01/09/1991 | 13/12/1991 | Dissolved |
| Guinness Mahon Insurance & Risk Managers Ltd | 01640891 | 01/09/1992 | 19/02/1999 | Dissolved |
| Guinness Mahon Investments Ltd | 00574031 | 01/09/1991 | 13/12/1991 | Dissolved |
| Guinness Mahon Investments Ltd | 00574031 | 01/09/1991 | 13/12/1991 | Dissolved |
| Guinness Mahon Securities Ltd | 01898532 | 01/09/1991 | 13/12/1991 | Dissolved |
| H.E. HANDSCOMB LIMITED | 00407062 | 14/01/1992 | 06/09/1994 | Silver |
| LASMO (TSA) LIMITED | SC034216 | 06/04/1992 | 30/04/1999 | Dissolved |
| LASMO (TSA) LIMITED | SC034216 | 30/09/1996 | 30/04/1999 | Dissolved |
| LASMO OIL (EGYPT) LIMITED | 02147928 | 08/05/1992 | 30/04/1999 | Dissolved |
| LASMO OIL (EGYPT) LIMITED | 02147928 | 15/02/1994 | 10/05/1996 | Dissolved |
| LASMO VIETNAM LIMITED | 02510072 | 29/05/1992 | 30/04/1999 | Dissolved |
| Lasmo (Azerbaijan) Ltd | 03525154 | 05/03/1998 | 30/04/1999 | Dissolved |
| Lasmo (Massanga) Ltd | 02544203 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo (Massanga) Ltd | 02544203 | 23/12/1993 | 01/02/1999 | Dissolved |
| Lasmo (U D G ) Plc | 01234982 | 29/05/1992 | 30/04/1999 | Dissolved |
| Lasmo (U D G ) Plc | 01234982 | 30/09/1996 | 01/02/1999 | Dissolved |
| Lasmo (Vei) Ltd | 03173751 | 15/03/1996 | 30/04/1999 | Dissolved |
| Lasmo Afrique Ltd | 01431032 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Afrique Ltd | 01431032 | 15/02/1994 | 01/02/1999 | Dissolved |
| Lasmo Cumi-Cumi Ltd | 02544269 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Grand Maghreb Ltd | 02466698 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Kakap Ltd | 01682791 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Kakap Ltd | 01682791 | 05/03/1998 | 01/02/1999 | Dissolved |
| Lasmo Madura Ltd | 01750351 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Madura Ltd | 01750351 | 05/03/1998 | 01/02/1999 | Dissolved |
| Lasmo Oil (Aden) Ltd | 02196078 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Oil (Aden) Ltd | 02196078 | 03/04/1996 | 01/02/1999 | Dissolved |
| Lasmo Oil (Guyana) Ltd | 02147521 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Oil (Guyana) Ltd | 02147521 | 15/02/1994 | 01/02/1999 | Dissolved |
| Lasmo Sumatra Ltd | 01682796 | 08/05/1992 | 30/04/1999 | Dissolved |
| Lasmo Sumatra Ltd | 01682796 | 15/02/1994 | 01/02/1999 | Dissolved |
| Oil Exploration (Holdings) Ltd | 01024938 | 08/05/1992 | 30/04/1999 | Dissolved |
| Oil Exploration (Holdings) Ltd | 01024938 | 15/02/1994 | 01/02/1999 | Dissolved |
| PERENCO OIL AND GAS COLOMBIA LIMITED | 01789505 | 08/05/1992 | 16/09/1998 | Gold |
| PRIME PAKISTAN LIMITED | 00151940 | 08/05/1992 | 30/04/1999 | Silver |
| PROVEN HOLDINGS LIMITED | 03463524 | 30/04/1998 | 27/11/2001 | Bronze |
| R Sumner & Co Ltd | 00068255 | 01/09/1991 | 13/12/1991 | Dissolved |
| R Sumner & Co Ltd | 00068255 | 01/09/1991 | 13/12/1991 | Dissolved |