| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACI REPORTS LTD | 06956376 | 01/10/2024 | Amber |
| BUILD CHECK CERTIFICATION LIMITED | 06010447 | 01/10/2024 | Silver |
| BUILD CHECK LIMITED | 05282667 | 01/10/2024 | One Red Flag |
| BUILD CHECK PUBLICATIONS LIMITED | 07238569 | 01/10/2024 | Gold |
| EVOLUTION WATER SERVICES LTD. | 03771796 | 01/10/2024 | Silver |
| EWS BIDCO LIMITED | 14867502 | 01/10/2024 | Bronze |
| FACIT BIDCO LIMITED | 13138408 | 01/10/2024 | Amber |
| FACIT TESTING LIMITED | 07409746 | 01/10/2024 | Gold |
| GROUP MANAGEMENT ELECTRICAL SURVEYS LIMITED | 04035144 | 01/10/2024 | Gold |
| INDUSTRIAL SAFETY INSPECTIONS LIMITED | 01466753 | 01/10/2024 | Silver |
| MAN TOPCO LIMITED | 12220847 | 01/10/2024 | Amber |
| PROJECT TRIDENT BIDCO LIMITED | 14799092 | 01/10/2024 | Bronze |
| SAYVOL ENVIRONMENTAL AND BUILDING SERVICES LIMITED | 04439202 | 01/10/2024 | Silver |
| STROMA BUILDING CONTROL LIMITED | 04161657 | 01/10/2024 | Silver |
| STROMA BUILT ENVIRONMENT LIMITED | 04507219 | 01/10/2024 | Silver |
| STROMA SPECIALIST ACCESS LIMITED | 02115177 | 01/10/2024 | Gold |
| THOMAS BELL-WRIGHT INTERNATIONAL LIMITED | 13926718 | 01/10/2024 | Silver |
| TRIDENT WATER HOLDINGS LIMITED | 09245862 | 01/10/2024 | Silver |
| TRIDENT WATER SOLUTIONS LIMITED | 04483579 | 01/10/2024 | Bronze |
| UNI TOPCO LIMITED | 14671797 | 01/10/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CENTURY RIVERSIDE LIMITED | 06375771 | 31/05/2023 | 01/12/2023 | One Red Flag |
| EVILLE & JONES (COMMERCIAL SERVICES) LIMITED | 09341619 | 31/05/2023 | 01/10/2024 | Gold |
| EVILLE & JONES (G.B.) LIMITED | 10037065 | 31/05/2023 | 01/10/2024 | Bronze |
| EVILLE & JONES (GROUP) LIMITED | 10019077 | 31/05/2023 | 01/10/2024 | Silver |
| EVILLE & JONES HOLDINGS LIMITED | 07440153 | 31/05/2023 | 01/10/2024 | Gold |
| TRI FIRE HOLDCO LTD | 15797545 | 01/10/2024 | 21/11/2024 | Amber |
| TRI FIRE HOLDINGS LIMITED | 15821216 | 01/10/2024 | 21/11/2024 | Amber |
| TRI FIRE LIMITED | 12545052 | 01/10/2024 | 21/11/2024 | Gold |