| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AITCHEE ENGINEERING LIMITED | 05882888 | 15/11/2017 | Silver |
| ARMFIELD LIMITED | 01962034 | 15/11/2017 | Amber |
| BORDEAUX ACQUISITION LIMITED | 07510463 | 15/11/2017 | Not Trading |
| COOLLED LIMITED | 07654232 | 15/11/2017 | Gold |
| CRYSTALLON LIMITED | 07308262 | 15/11/2017 | Not Trading |
| DEBEN UK LIMITED | 03208255 | 15/11/2017 | Gold |
| DIA-STRON LIMITED | 02197540 | 15/11/2017 | Gold |
| EWB SOLUTIONS LTD. | 03755592 | 15/11/2017 | Amber |
| FIRE TESTING TECHNOLOGY LIMITED | 02387681 | 15/11/2017 | Gold |
| GEOTEK CORING LIMITED | 02810844 | 20/05/2022 | Gold |
| GEOTEK HOLDING LIMITED | 10610034 | 20/05/2022 | Bronze |
| GEOTEK LIMITED | 10612823 | 20/05/2022 | Gold |
| GLOBAL DIGITAL SYSTEMS LIMITED | 01459108 | 15/11/2017 | Gold |
| HEATH SCIENTIFIC COMPANY LIMITED | 02985879 | 28/05/2020 | Not Trading |
| HENNIKER SCIENTIFIC LIMITED | 06703135 | 02/04/2023 | Silver |
| JUDGES CAPITAL LIMITED | 07003607 | 15/11/2017 | Not Trading |
| JUDGES SCIENTIFIC PLC | 04597315 | 15/11/2017 | Gold |
| KORVUS TECHNOLOGY LTD | 09491733 | 18/10/2020 | Gold |
| MAGSPUTTER LIMITED | 11657432 | 14/08/2024 | Silver |
| MOORFIELD NANOTECHNOLOGY LIMITED | 03044718 | 03/12/2019 | Gold |
| OXFORD CRYOSYSTEMS LIMITED | 00788353 | 15/11/2017 | Gold |
| PE. FIBEROPTICS LIMITED | 05524971 | 28/02/2018 | Bronze |
| QUORUM TECHNOLOGIES LIMITED | 04273003 | 15/11/2017 | Silver |
| ROCKWASH GEODATA LTD | 07272991 | 27/06/2024 | Silver |
| SCIENTIFICA LTD | 03286415 | 15/11/2017 | Gold |
| SIRCAL INSTRUMENTS (U.K.) LIMITED | 01592093 | 15/11/2017 | Gold |
| SPECTRA-MAP LIMITED | 03962145 | 20/05/2022 | Gold |
| TEER COATINGS LIMITED | 01643376 | 14/08/2024 | Gold |
| THERMAL HAZARD TECHNOLOGY LIMITED | 02991756 | 28/05/2020 | Silver |
| UHV DESIGN LIMITED | 04133945 | 15/11/2017 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|