| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARRON MCCANN HOLDINGS LIMITED | 08726229 | 10/10/2013 | Silver |
| BARRON MCCANN LIMITED | 01071331 | 03/09/2001 | Silver |
| BARRON MCCANN NEWCO LIMITED | 08603003 | 09/07/2013 | Dissolved |
| BMC AZURRI GA SOLUTIONS LIMITED | 08510755 | 30/04/2013 | Bronze |
| BMC CABLE-TALK LIMITED | 08510753 | 30/04/2013 | Amber |
| BMC EQUIP LIMITED | 08510756 | 30/04/2013 | Silver |
| BMC PRECEPT LIMITED | 08566139 | 12/06/2013 | Silver |
| CYBER1ST LIMITED | 08733792 | 31/03/2014 | Silver |
| CYBER1ST R&D LIMITED | 08733800 | 31/03/2014 | One Red Flag |
| DERLET HOLDINGS LIMITED | 05370569 | 21/02/2005 | Dissolved |
| The Centre for Productivity & Efficiency Ltd | 03418781 | 17/02/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Assessco Ltd | 03134009 | 11/06/1997 | 01/01/2001 | Dissolved |
| LIGHTSTEP INNOVATIONS LIMITED | 08365618 | 31/03/2014 | 06/10/2016 | Dissolved |
| ULTRA ELECTRONICS AEP TECHNOLOGY LIMITED | 05206886 | 16/08/2004 | 02/03/2011 | Dissolved |