| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| J R M SOFTWARE LIMITED | 01405085 | 19/09/2011 | Dissolved |
| QUANTOCK VIEW (WESTON-SUPER-MARE) MAINTENANCE COMPANY LIMITED | 01651538 | 03/09/2021 | Gold |
| RESIDUE DETECTION LIMITED | 06213575 | 19/09/2011 | Dissolved |
| SEA (ADVANCED PRODUCTS) LTD | 03686473 | 19/09/2011 | Dissolved |
| SUBMETRIX LTD | 04259476 | 19/09/2011 | Dissolved |
| YEO CONSULTANCY LTD | 12876513 | 13/09/2020 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BECKINGTON CASTLE LTD | 02422459 | 28/02/2011 | 31/08/2020 | Bronze |
| JS RESIDUAL LTD | 03753462 | 30/09/2014 | 31/08/2020 | Not Trading |
| SEA (GROUP) LTD. | 02430846 | 28/02/2011 | 31/08/2020 | Bronze |
| SYSTEMS ENGINEERING & ASSESSMENT LTD | 02302168 | 28/02/2011 | 31/08/2020 | Silver |
| THALES ATM LIMITED | 03229755 | 01/03/2006 | 30/09/2009 | Not Trading |
| THALES MISSILE ELECTRONICS LIMITED | 03004769 | 01/09/2007 | 30/09/2009 | Not Trading |