| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AAIS TRISTAR UK LTD | 10864391 | 02/02/2021 | Silver |
| ARABIAN AMERICAN FOR INTEGRATED SYSTEMS CO. LTD | 10558668 | 01/11/2020 | Gold |
| AURORA BUSINESS INVESTMENTS LIMITED | 06056778 | 18/01/2007 | Dissolved |
| BG INNOVATIONS LIMITED | 08206842 | 14/04/2014 | One Red Flag |
| G.W. & ASSOCIATES LTD. | 03129374 | 22/11/1995 | Bronze |
| PRESTWICK AVIATION MAINTENANCE LIMITED | 05088415 | 01/06/2011 | Dissolved |
| PROTECTED TRANSPORT SYSTEMS UK LIMITED | 10205025 | 05/11/2016 | Dissolved |
| RAMP AEROSPACE & DEFENCE SYSTEMS LTD. | 10180495 | 16/05/2016 | Dissolved |
| RAMP ENGINEERING LTD. | 10181164 | 16/05/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DEREGALLERA HOLDINGS LTD | 07088418 | 10/06/2011 | 30/10/2015 | One Red Flag |
| DEREGALLERA LTD | 07097718 | 10/06/2011 | 30/10/2015 | One Red Flag |
| DEREGALLERA TECHNOLOGY LTD | 07091333 | 10/06/2011 | 30/10/2015 | Gold |
| ENGENIUS DESIGN TEAM LIMITED | 03223355 | 19/11/2015 | 29/02/2016 | Dissolved |
| IGENCE LIMITED | 04992208 | 08/11/2021 | 21/05/2024 | Not Trading |
| IGENCE SOFTWARE LIMITED | 03829804 | 08/11/2021 | 21/05/2024 | Amber |
| LEADING TECHNOLOGY DEVELOPMENTS LTD | 06809495 | 31/03/2014 | 30/10/2015 | Bronze |
| RAPPORT INTERNATIONAL LIMITED | 03379470 | 24/07/1998 | 28/09/2009 | Silver |
| SOUTH WEST AIRFIELDS HERITAGE LTD | 05076165 | 05/12/2010 | 11/11/2015 | Silver |
| SUBSEA CRAFT LIMITED | 08930367 | 10/03/2014 | 30/04/2016 | One Red Flag |
| SUPACAT LIMITED | 01514084 | 30/01/2002 | 06/04/2011 | Silver |
| WEST OF ENGLAND AEROSPACE FORUM LIMITED | 04483380 | 01/04/2018 | 02/08/2018 | Gold |