| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMSASARA LIMITED | 10848990 | 04/07/2017 | Silver |
| C-Fem Analysis Ltd. | 02937155 | 09/06/1994 | Dissolved |
| CI-TDC LIMITED | 10160483 | 04/05/2016 | Bronze |
| ESR TECHNOLOGY LIMITED | 05462871 | 07/12/2016 | Silver |
| NATIONWIDE ENGINEERING & TOOLS LTD | 07152221 | 12/01/2024 | One Red Flag |
| NEWMONT ENGINEERING COMPANY LIMITED | 00545271 | 29/11/2021 | Bronze |
| Raghbir Chand Gaddu Ltd | 05095771 | 06/04/2004 | Dissolved |
| VIRTUALPIE AEROSPACE & DEFENCE LIMITED | 07444197 | 01/12/2010 | Dissolved |
| VIRTUALPIE AUTOMOTIVE LIMITED | 07444198 | 19/11/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BHR CONFERENCES LIMITED | 02389904 | 09/08/2011 | 31/08/2021 | Dissolved |
| DIAJET LIMITED | 09232319 | 23/09/2014 | 31/08/2021 | Dissolved |
| FRAMATOME BHR LIMITED | 07274578 | 04/06/2010 | 31/08/2021 | Bronze |
| METNANO LIMITED | 08442767 | 13/03/2013 | 21/07/2021 | Dissolved |
| QUALITY ENGINEERING & SOFTWARE TECHNOLOGIES (EUROPE) LTD | 04418358 | 25/04/2002 | 31/01/2004 | Dissolved |
| QUALITY ENGINEERING & SOFTWARE TECHNOLOGIES (EUROPE) LTD | 04418358 | 25/04/2002 | 31/01/2004 | Dissolved |