| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 40SEVEN LIMITED | 05405516 | 14/10/2024 | Silver |
| ASPECT LAND AND HYDROGRAPHIC SURVEYS LIMITED | SC357297 | 06/11/2024 | Gold |
| ASPECT SURVEYS LIMITED | SC357302 | 06/11/2024 | Gold |
| BUCKINGHAM INVESTIGATION SERVICES LIMITED | 05841432 | 14/10/2024 | Not Trading |
| BUTLER & YOUNG CONSULTANTS LIMITED | 05047663 | 14/10/2024 | Not Trading |
| CALYX INVESTMENTS LIMITED | 09767966 | 14/10/2024 | Not Trading |
| ENVIRONMENTAL SCIENTIFICS GROUP HOLDINGS LIMITED | 05414237 | 14/10/2024 | Not Trading |
| HUTTON + ROSTRON ENVIRONMENTAL INVESTIGATIONS LIMITED | 02319817 | 14/10/2024 | Bronze |
| IETG HOLDINGS LIMITED | 10413322 | 14/10/2024 | One Red Flag |
| IETG LIMITED | 05575376 | 14/10/2024 | Silver |
| IMPULSE GEOPHYSICS LIMITED | 04470791 | 26/11/2024 | Gold |
| INSPICIO ENVIRONMENTAL SERVICES GROUP LIMITED | 05729762 | 14/10/2024 | Not Trading |
| INSPICIO HOLDINGS LIMITED | 05499572 | 14/10/2024 | Not Trading |
| PHOENIX UK 2020 LIMITED | 12361738 | 14/10/2024 | Amber |
| QUADRANT BUILDING COMPLIANCE LIMITED | 13767347 | 14/10/2024 | One Red Flag |
| QUADRANT BUILDING CONTROL LIMITED | 10462383 | 14/10/2024 | Not Trading |
| SCIENTIFICS LIMITED | 03204613 | 14/10/2024 | Not Trading |
| SOCOTEC ADVISORY LIMITED | 08008548 | 14/10/2024 | Silver |
| SOCOTEC ASBESTOS LIMITED | 04951688 | 14/10/2024 | Silver |
| SOCOTEC BUILDING & REAL ESTATE HOLDINGS LIMITED | 04843347 | 14/10/2024 | Bronze |
| SOCOTEC FORENSIC SERVICES LIMITED | 15018441 | 14/10/2024 | Bronze |
| SOCOTEC MONITORING UK LIMITED | 07101640 | 14/10/2024 | Silver |
| SOCOTEC UK HOLDING LIMITED | 10677227 | 14/10/2024 | Amber |
| SOCOTEC UK LIMITED | 02880501 | 14/10/2024 | Silver |
| TOR DRILLING LIMITED | 04418876 | 14/10/2024 | Not Trading |
| TRENTON FIRE LIMITED | 06336226 | 14/10/2024 | Not Trading |
| VERNIER HOLDINGS LTD | 12290873 | 14/10/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHRISTIE INTRUDER ALARMS LIMITED | 07202860 | 01/04/2020 | 08/12/2020 | Silver |
| CONTRACT FIRE SYSTEMS LIMITED | 01915681 | 01/08/2018 | 31/05/2019 | Dissolved |
| NISCAYAH HOLDINGS LIMITED | 02073469 | 01/06/2018 | 31/05/2019 | One Red Flag |
| SECURITAS TECHNOLOGY (NI) LIMITED | NI612551 | 01/04/2020 | 08/12/2020 | One Red Flag |
| SECURITAS TECHNOLOGY LIMITED | 00181585 | 01/06/2018 | 31/05/2019 | One Red Flag |
| STANLEY SECURITY SOLUTIONS - EUROPE LIMITED | 00875534 | 01/06/2018 | 31/05/2019 | Silver |