| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 40SEVEN LIMITED | 05405516 | 31/10/2023 | Gold |
| 4SEE LTD | 05013988 | 24/03/2020 | Dissolved |
| ASPECT LAND AND HYDROGRAPHIC SURVEYS LIMITED | SC357297 | 06/11/2024 | Gold |
| ASPECT SURVEYS LIMITED | SC357302 | 06/11/2024 | Gold |
| BUCKINGHAM INVESTIGATION SERVICES LIMITED | 05841432 | 24/03/2020 | Not Trading |
| BUTLER & YOUNG CONSULTANTS LIMITED | 05047663 | 23/03/2021 | Not Trading |
| BUTLER & YOUNG HOLDINGS LIMITED | 05976909 | 24/03/2020 | Insolvent |
| CALYX INVESTMENTS LIMITED | 09767966 | 24/03/2020 | Not Trading |
| CONSTRUCTIONFIT MONITORING LTD | 08004721 | 24/03/2020 | Dissolved |
| ENVIRONMENTAL SCIENTIFICS GROUP HOLDINGS LIMITED | 05414237 | 24/03/2020 | Not Trading |
| HENLEY WATER LIMITED | 02865863 | 24/03/2020 | Dissolved |
| HERETIC HOLDINGS LTD | 14502485 | 21/04/2023 | Silver |
| HUTTON + ROSTRON ENVIRONMENTAL INVESTIGATIONS LIMITED | 02319817 | 02/10/2023 | Bronze |
| IETG HOLDINGS LIMITED | 10413322 | 31/10/2023 | One Red Flag |
| IETG LIMITED | 05575376 | 31/10/2023 | Gold |
| IMPULSE GEOPHYSICS LIMITED | 04470791 | 16/07/2024 | Gold |
| INSPICIO ENVIRONMENTAL SERVICES GROUP LIMITED | 05729762 | 24/03/2020 | Not Trading |
| INSPICIO HOLDINGS LIMITED | 05499572 | 24/03/2020 | Not Trading |
| PHOENIX UK 2020 LIMITED | 12361738 | 11/08/2020 | Amber |
| QUADRANT BUILDING CONTROL LIMITED | 10462383 | 22/12/2022 | Not Trading |
| SCIENTIFICS LIMITED | 03204613 | 24/03/2020 | Not Trading |
| SELENA MEP LLP | OC395264 | 12/09/2014 | Strike Off |
| SOCOTEC ADVISORY LIMITED | 08008548 | 10/05/2022 | Gold |
| SOCOTEC ASBESTOS LIMITED | 04951688 | 24/03/2020 | Gold |
| SOCOTEC BUILDING & REAL ESTATE HOLDINGS LIMITED | 04843347 | 24/03/2020 | Bronze |
| SOCOTEC MONITORING UK LIMITED | 07101640 | 24/03/2020 | Gold |
| SOCOTEC UK HOLDING LIMITED | 10677227 | 24/03/2020 | Amber |
| SOCOTEC UK LIMITED | 02880501 | 24/03/2020 | Silver |
| STRATHFIELD CONSULTING LIMITED | 12098476 | 11/07/2019 | Silver |
| TOR DRILLING LIMITED | 04418876 | 20/07/2021 | Not Trading |
| TRENTON FIRE LIMITED | 06336226 | 23/03/2021 | Not Trading |
| VERNIER HOLDINGS LTD | 12290873 | 22/12/2022 | Gold |
| WATERWISE TECHNOLOGY LIMITED | 02546728 | 24/03/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HAH WHISKY LTD | 09768972 | 07/02/2020 | 21/04/2023 | Silver |