| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Connexions Cambridgeshire & Peterborough Ltd | 02963687 | 20/09/2001 | Dissolved |
| LINKNOW LIMITED | 12772185 | 27/07/2020 | Dissolved |
| LINKNOW LIMITED | 07414778 | 21/10/2010 | Dissolved |
| THE OUTSOURCED TRAINING COMPANY LTD | 05512310 | 01/02/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AEROACADEMY LIMITED | 07019961 | 15/09/2009 | 31/12/2010 | Not Trading |
| AEROPEOPLE LIMITED | 04191976 | 21/01/2003 | 31/12/2010 | Bronze |
| BEAGLE TECHNOLOGY GROUP LIMITED | 00968265 | 20/08/2015 | 04/10/2017 | Bronze |
| CAMBRIDGE AERO CLUB LIMITED(THE) | 00454656 | 04/11/2002 | 31/12/2010 | Gold |
| CENTRE FOR ENGINEERING AND MANUFACTURING EXCELLENCE LTD | 04238862 | 01/02/2011 | 31/12/2019 | Silver |
| MARSHALL AEROSPACE INTERNATIONAL SERVICES LIMITED | 04178462 | 21/01/2003 | 31/12/2010 | Dissolved |
| MARSHALL OF CAMBRIDGE (HOLDINGS) LIMITED | 02051460 | 26/11/1996 | 31/12/2010 | Silver |
| MARSHALL OF CAMBRIDGE AEROSPACE LIMITED | 00245740 | 25/03/1992 | 31/12/2010 | Gold |
| OCEAN AIRCRAFT LTD | 10681514 | 01/03/2019 | 24/01/2020 | Dissolved |
| SLINGSBY ADVANCED COMPOSITES LIMITED | 01688938 | 31/12/2009 | 31/12/2010 | Gold |
| SLINGSBY AEROSPACE LIMITED | 06647058 | 31/12/2009 | 31/12/2010 | Dissolved |
| SLINGSBY AVIATION LIMITED | 06647044 | 31/12/2009 | 31/12/2010 | Dissolved |
| SLINGSBY HOLDINGS LIMITED | 06660823 | 31/12/2009 | 31/12/2010 | Silver |
| SLINGSBY LIMITED | 05854423 | 31/12/2009 | 31/12/2010 | Dissolved |
| ULTRA ELECTRONICS HOLDINGS LIMITED | 02830397 | 02/07/2012 | 01/07/2021 | Bronze |