| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Antronics Power Ltd | 02640785 | 13/09/1991 | Dissolved |
| Eastern Railways Ltd | 04357816 | 06/02/2002 | Dissolved |
| Eastern Railways Ltd | 04357816 | 06/02/2002 | Dissolved |
| GREAT SCOTTISH RAILWAYS LIMITED | SC450270 | 17/05/2013 | Dissolved |
| Great Anglia Railways Ltd | 04357909 | 06/02/2002 | Dissolved |
| Great Anglia Railways Ltd | 04357909 | 06/02/2002 | Dissolved |
| Great Anglian Railways Ltd | 04357998 | 06/02/2002 | Dissolved |
| Great Anglian Railways Ltd | 04357998 | 06/02/2002 | Dissolved |
| Greater Anglia Railways Ltd | 04358074 | 06/02/2002 | Dissolved |
| Greater Anglia Railways Ltd | 04358074 | 06/02/2002 | Dissolved |
| MAYNE CAPITAL (UK) LTD | 09109717 | 03/11/2017 | Dissolved |
| MUD PORTAGE PRODUCTIONS LIMITED | 11971112 | 30/04/2019 | Silver |
| Mr Electrics Holdings Ltd | 04560441 | 17/12/2002 | Dissolved |
| Rail Wales Ltd | 04103684 | 15/10/2001 | Dissolved |
| STOKE HAMMOND LLP | OC415028 | 12/12/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACTUAL POWER LIMITED | 02810017 | 04/05/1993 | 15/08/1997 | Dissolved |
| ANGLIA RAILWAYS TRAIN SERVICES LIMITED | 03006570 | 05/01/1997 | 08/07/2005 | Dissolved |
| Abbotcrown Ltd | 03980804 | 02/05/2000 | 30/09/2002 | Dissolved |
| CPCS TRANSCOM UK LTD | 02897318 | 21/11/2016 | 19/04/2017 | Amber |
| DISTINCT SPORTS BRANDS LIMITED | 03213965 | 20/04/2017 | 13/12/2019 | Bronze |
| EAST WEST RAIL LIMITED | 04066321 | 04/12/2000 | 08/07/2005 | Dissolved |
| EAST WEST RAIL LIMITED | 04066321 | 04/12/2000 | 08/07/2005 | Dissolved |
| FCP CORPORATION LIMITED | 08130404 | 21/11/2016 | 19/04/2017 | Gold |
| FIRST DUBLIN METRO LIMITED | 03719564 | 13/01/2005 | 08/07/2005 | Dissolved |
| FIRST DUBLIN METRO LIMITED | 03719564 | 16/04/2003 | 08/07/2005 | Dissolved |
| FIRST GREAT WESTERN LINK LIMITED | 04804687 | 04/01/2005 | 08/07/2005 | Dissolved |
| FIRST RAIL OPEN ACCESS HOLDINGS LIMITED | 03263210 | 19/11/1996 | 08/07/2005 | Gold |
| FIRST RAIL OPEN ACCESS HOLDINGS LIMITED | 03263210 | 19/11/1996 | 08/07/2005 | Gold |
| FIRST SCOTRAIL LIMITED | SC185018 | 05/01/2005 | 08/07/2005 | Amber |
| FIRST SCOTRAIL LIMITED | SC185018 | 05/07/2004 | 08/07/2005 | Amber |
| FIRST/KEOLIS HOLDINGS LIMITED | 04113984 | 05/01/2005 | 08/07/2005 | Gold |
| FIRST/KEOLIS TRANSPENNINE HOLDINGS LIMITED | 04113990 | 05/01/2005 | 08/07/2005 | Gold |
| FIRST/KEOLIS TRANSPENNINE LIMITED | 04113923 | 05/01/2005 | 08/07/2005 | Gold |
| GB EXTENDED VENTURES LIMITED | 03537904 | 31/03/1998 | 08/05/2000 | Dissolved |
| GB EXTENDED VENTURES LIMITED | 03537904 | 31/03/1998 | 08/07/2005 | Dissolved |
| GB RAILFREIGHT LIMITED | 03707899 | 29/06/2004 | 08/07/2005 | Bronze |
| GB RAILFREIGHT LIMITED | 03707899 | 07/04/2000 | 08/07/2005 | Bronze |
| GB RAILWAYS LIMITED | 03027949 | 13/01/2005 | 08/07/2005 | Dissolved |
| GB RAILWAYS LIMITED | 03027949 | 08/03/1995 | 08/07/2005 | Dissolved |
| GOINDUSTRY-DOVEBID LIMITED | 05381812 | 11/09/2009 | 03/07/2012 | Amber |
| GREAT WESTERN TRAINS COMPANY LIMITED | 02938992 | 04/01/2005 | 08/07/2005 | Dissolved |
| Gb Transmetro Ltd | 05368827 | 11/04/2005 | 08/07/2005 | Dissolved |
| Gb Transmetro Ltd | 05368827 | 11/04/2005 | 08/07/2005 | Dissolved |
| HIP FACILITIES GROUP LIMITED | 05735405 | 22/02/2008 | 03/07/2009 | Dissolved |
| HULL TRAINS COMPANY LIMITED | 03715410 | 26/03/2002 | 08/07/2005 | Gold |
| HULL TRAINS COMPANY LIMITED | 03715410 | 26/03/2002 | 08/07/2005 | Gold |
| NORTH WESTERN TRAINS COMPANY LIMITED | 03007946 | 15/01/2005 | 08/07/2005 | Dissolved |