| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUASOL LIMITED | 02765778 | 30/11/2020 | 29/05/2024 | Amber |
| AUTOCORE LIMITED | 01488242 | 01/10/2020 | 01/12/2020 | Strike Off |
| BIOME BIOPLASTICS LIMITED | 04590414 | 30/11/2020 | 29/05/2024 | Silver |
| FILTRONIC BROADBAND LIMITED | 03398105 | 18/06/2014 | 31/10/2019 | Silver |
| FILTRONIC HOLDINGS UK LIMITED | 05920312 | 18/06/2014 | 31/10/2019 | Silver |
| FILTRONIC PLC | 02891064 | 16/06/2014 | 31/10/2019 | Silver |
| INGEL TECHNOLOGIES LIMITED | 04111971 | 30/11/2020 | 29/05/2024 | Not Trading |
| ISOTEK (HOLDINGS) LIMITED | 03398090 | 18/06/2014 | 31/10/2019 | Bronze |
| ISOTEK LIMITED | 02919177 | 18/06/2014 | 31/10/2019 | Dissolved |
| REMANUFACTURED SYSTEMS LIMITED | 03577488 | 01/10/2020 | 01/12/2020 | Dissolved |
| STANELCO RF TECHNOLOGIES LIMITED | 03338752 | 30/11/2020 | 29/05/2024 | Amber |