| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DONBURI FOODS LIMITED | 08543442 | 24/05/2013 | Dissolved |
| EHO LIMITED | 09965360 | 22/01/2016 | Amber |
| J E M LIMITED | 01222396 | 31/01/1992 | Silver |
| JAPARTS LIMITED | 03666216 | 12/11/1998 | Dissolved |
| JEM PROPERTIES HOLDINGS LIMITED | 04837911 | 23/07/2003 | Dissolved |
| JEM PROPERTY INVESTMENT LIMITED | 02488483 | 03/04/1992 | Dissolved |
| Jemca Holdings Ltd | 04232767 | 21/12/2001 | Dissolved |
| Klp Insurance Services (London) Ltd | 01930021 | 31/01/1991 | Dissolved |
| NEW JEM HOLDINGS LIMITED | 04838254 | 23/07/2003 | Silver |
| Q TRADE LIMITED | 03452039 | 20/10/1997 | Dissolved |
| SO RESTAURANT LIMITED | 05572149 | 23/09/2005 | One Red Flag |
| SOZAI LIMITED | 08229219 | 26/09/2012 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| "A" CONCEPT LIMITED | 02537158 | 05/09/1991 | 27/02/1995 | Bronze |
| J E M LIMITED | 01222396 | 11/07/1994 | 01/10/1994 | Silver |
| JAPANESE CHAMBER OF COMMERCE AND INDUSTRY IN THE UNITED KINGDOM | 00632622 | 15/10/2009 | 14/10/2011 | Gold |
| JEM PROPERTY INVESTMENT LIMITED | 02488483 | 11/07/1994 | 24/10/2001 | Dissolved |
| JEMCA CAR GROUP LIMITED | 01462441 | 31/01/1992 | 01/10/1994 | Bronze |
| JEMCA CAR GROUP LIMITED | 01462441 | 31/01/1992 | 02/09/2003 | Bronze |
| Jem Exports Ltd. | 02900658 | 05/09/1994 | 29/10/2001 | Dissolved |
| Klp Insurance Services (London) Ltd | 01930021 | 01/10/1994 | 30/06/2001 | Dissolved |
| THE JAPAN SOCIETY | 03371038 | 27/06/2013 | 19/06/2019 | Silver |
| TOYOTA TSUSHO AUTOMOBILE LONDON HOLDINGS LIMITED | 04843255 | 23/07/2003 | 02/09/2003 | Bronze |