| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 2J ANTENNAS UK LIMITED | 08356756 | 12/09/2023 | Gold |
| ACAL ELECTRONIC SERVICES LIMITED | 01843829 | 01/09/2010 | Dissolved |
| ACAL ELECTRONICS LIMITED | 01882927 | 01/09/2010 | Not Trading |
| ACAL PARTS SERVICES LIMITED | 00485379 | 01/09/2010 | Dissolved |
| ACTECH HOLDINGS LIMITED | 03059569 | 01/09/2010 | Not Trading |
| ADVANCED CRYSTAL TECHNOLOGY LIMITED | 01904334 | 01/09/2010 | Not Trading |
| AMEGA ELECTRONICS LIMITED | 02179018 | 01/09/2010 | Not Trading |
| AMEGA GROUP LIMITED | 02158386 | 01/09/2010 | Not Trading |
| AMEGA NETWORKS LIMITED | 03550968 | 01/09/2010 | Dissolved |
| AMEGA TECHNOLOGY LIMITED | 03551019 | 01/09/2010 | Dissolved |
| ANTENOVA LIMITED | 03835617 | 25/08/2021 | Silver |
| BOSUNMARK LIMITED | 02000799 | 01/09/2010 | Not Trading |
| CABCON (UK) LIMITED | 00918865 | 01/09/2010 | Dissolved |
| CDT 123 LIMITED | 09637514 | 30/06/2022 | Gold |
| CONTOUR ELECTRONICS LIMITED | 02773976 | 07/01/2016 | Gold |
| CONTOUR HOLDINGS LIMITED | 06846542 | 07/01/2016 | Not Trading |
| CURSOR CONTROLS HOLDINGS LIMITED | 09472278 | 16/10/2018 | Bronze |
| CURSOR CONTROLS LIMITED | 04105605 | 16/10/2018 | Bronze |
| DEAN ELECTRONICS LIMITED | 01203242 | 01/09/2010 | Dissolved |
| DEAN MICROSYSTEMS LIMITED | 02382062 | 01/09/2010 | Dissolved |
| DISCOVERIE ELECTRONICS LIMITED | 06556285 | 01/09/2010 | Bronze |
| DISCOVERIE GROUP PLC | 02008246 | 20/07/2010 | Amber |
| DISCOVERIE HOLDINGS LTD | 01618416 | 01/09/2010 | Bronze |
| DISCOVERIE MANAGEMENT SERVICES LIMITED | 02036196 | 01/09/2010 | Gold |
| DISCOVERIE NORDIC HOLDINGS LIMITED | 09056483 | 27/05/2014 | N/A |
| EAF ECOTEC LIMITED | 02863713 | 01/09/2010 | Dissolved |
| EUROSENSOR LIMITED | 06754508 | 19/10/2010 | Dissolved |
| GOTHIC CRELLON LIMITED | 00844481 | 01/09/2010 | Not Trading |
| HEASON TECHNOLOGY LIMITED | 06322037 | 19/01/2017 | Dissolved |
| HERGA TECHNOLOGY LIMITED | 00533707 | 19/01/2017 | Gold |
| HIVOLT CAPACITORS LIMITED | NI029851 | 01/08/2024 | Silver |
| IXTHUS INSTRUMENTATION LIMITED | 04876913 | 19/01/2017 | Dissolved |
| NORATEL UK LTD | 04136659 | 16/12/2021 | One Red Flag |
| POSITEK LIMITED | 02746707 | 15/04/2019 | Dissolved |
| SANTON SWITCHGEAR LIMITED | 03207845 | 01/02/2018 | Gold |
| SEDGEMOOR GROUP SUPPLEMENTARY PENSION TRUSTEES LIMITED | 02172628 | 01/09/2010 | Not Trading |
| SEDGEMOOR HOLDINGS LIMITED | 03389535 | 01/09/2010 | Not Trading |
| SEDGEMOOR LIMITED | 00288011 | 01/09/2010 | Gold |
| SENS-TECH LIMITED | 00668759 | 04/11/2019 | Silver |
| SILVER TELECOM LIMITED | 03434576 | 30/08/2023 | Gold |
| SLV HOLDINGS LIMITED | 09943868 | 30/08/2023 | Gold |
| STORTECH ELECTRONICS LIMITED | 02217300 | 01/09/2010 | Gold |
| TECHNITRON SYSTEMS LIMITED | 02448556 | 01/09/2010 | Dissolved |
| TOWNSEND-COATES LIMITED | 00690635 | 01/09/2010 | Not Trading |
| VARIOHM HOLDINGS LIMITED | 05783452 | 19/01/2017 | One Red Flag |
| VARIOHM-EUROSENSOR LIMITED | 02736925 | 19/01/2017 | Gold |
| VERTEC SCIENTIFIC LIMITED | 01677833 | 01/09/2010 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|