| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ITM POWER PLC | 05059407 | 03/06/2014 | Amber |
| THE DURWARD & ROXBURGHE RTM COMPANY LIMITED | 05022740 | 26/06/2007 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIR LEAGUE ENTERPRISES LIMITED | 00102488 | 18/09/2007 | 23/01/2014 | Amber |
| ANGLO LATIN AMERICAN FOUNDATION | 03614737 | 04/04/2005 | 03/08/2010 | Gold |
| BOEING COMMERCIAL AVIATION SERVICES EUROPE LIMITED | 08186759 | 21/08/2012 | 30/09/2014 | Silver |
| BOEING DEFENCE UK LIMITED | 01290439 | 23/01/2009 | 30/09/2014 | Silver |
| BOEING TECHNICAL SERVICES UK LIMITED | 03425142 | 26/03/2010 | 30/09/2014 | Insolvent |
| BOEING UK TRAINING AND FLIGHT SERVICES HOLDING LIMITED | 03805580 | 24/10/2013 | 30/09/2014 | Silver |
| BOEING UK TRAINING AND FLIGHT SERVICES LIMITED | 03802219 | 24/10/2013 | 30/09/2014 | Gold |
| BOEING UNITED KINGDOM LIMITED | 04355070 | 15/08/2008 | 30/09/2014 | Gold |
| BRAZILIAN CHAMBER OF COMMERCE IN GREAT BRITAIN(THE) | 00377360 | 18/01/2006 | 11/06/2012 | Silver |
| F&C INVESTMENT TRUST PLC | 00012901 | 06/03/2008 | 10/05/2021 | Gold |
| JEPPESEN U.K. LIMITED | 01321734 | 24/01/2014 | 30/09/2014 | Bronze |
| MOTIVE FUELS LIMITED | 13290733 | 25/03/2021 | 19/10/2023 | Silver |
| NATIONAL CENTRE FOR UNIVERSITIES AND BUSINESS | 03465914 | 10/12/2012 | 06/06/2019 | Gold |
| OVER-C LTD | 07566882 | 08/04/2016 | 22/09/2023 | Insolvent |