| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3946306 Ltd | 03946306 | 05/03/2004 | Dissolved |
| Callahan Associates Investment Advisors (Uk) Ltd | 03573638 | 30/06/2002 | Dissolved |
| INMARSAT FINANCE II PLC | 05280523 | 08/11/2004 | Dissolved |
| Post.Com Ltd | 03877698 | 03/11/2000 | Dissolved |
| THE ROSSETTI MANAGEMENT COMPANY LIMITED | 02971829 | 06/12/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMERICAN SCHOOL IN LONDON EDUCATIONAL TRUST LIMITED(THE) | 00784923 | 29/10/2003 | 10/12/2008 | Silver |
| BURSES LIMITED | 04988914 | 05/03/2004 | 11/12/2006 | Dissolved |
| Cable Partners Europe Ltd | 03430995 | 30/06/2002 | 02/07/2007 | Dissolved |
| EUROPASAT LIMITED | 06001119 | 16/11/2006 | 31/10/2016 | Amber |
| INMARSAT (IP) COMPANY LIMITED | 03930467 | 30/07/2004 | 31/10/2016 | Dissolved |
| INMARSAT EMPLOYEE SHARE PLAN TRUSTEES LIMITED | 03669306 | 30/07/2004 | 31/10/2016 | Dissolved |
| INMARSAT FINANCE III LIMITED | 06138307 | 05/03/2007 | 31/10/2016 | Silver |
| INMARSAT GLOBAL XPRESS LIMITED | 07341228 | 10/08/2010 | 31/10/2016 | Dissolved |
| INMARSAT NAVIGATION VENTURES LIMITED | 04858686 | 05/03/2004 | 31/10/2016 | Amber |
| INMARSAT SERVICES LIMITED | 04379050 | 30/07/2004 | 31/10/2016 | Silver |
| INMARSAT SOLUTIONS LIMITED | 06135635 | 15/04/2009 | 31/10/2016 | One Red Flag |
| INMARSAT US INVESTMENTS LIMITED | 07100989 | 10/12/2009 | 31/10/2016 | Dissolved |
| MMO2 LIMITED | 04190833 | 31/08/2001 | 16/11/2001 | Not Trading |
| NESSCOINVSAT LIMITED | 03673679 | 05/03/2004 | 02/09/2005 | Bronze |
| TELEFONICA O2 HOLDINGS LIMITED | 05310128 | 05/01/2005 | 14/01/2008 | Silver |
| THE AMERICAN SCHOOL IN LONDON FOUNDATION (UK) LIMITED | 04131404 | 17/01/2011 | 02/02/2017 | Bronze |
| WIRELESS INFRASTRUCTURE GROUP LIMITED | 05435379 | 11/12/2007 | 14/09/2011 | One Red Flag |
| Xyratex Group Ltd | 04057904 | 31/03/2004 | 11/05/2006 | Dissolved |