| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHARTER TOPCO LIMITED | 15282763 | 14/11/2023 | Bronze |
| PODER INVESTMENTS LIMITED | 15288556 | 16/11/2023 | Amber |
| PROJECT INFOSEC BIDCO LIMITED | 14453042 | 31/10/2022 | Dissolved |
| PROJECT INFOSEC TOPCO LIMITED | 14450156 | 28/10/2022 | Dissolved |
| WATERLOO BIDCO LIMITED | 15125500 | 08/09/2023 | Bronze |
| WATERLOO TOPCO LIMITED | 15119924 | 06/09/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARIA BIDCO LIMITED | 15186151 | 04/10/2023 | 20/11/2023 | Bronze |
| ATL BIDCO LIMITED | 15263945 | 06/11/2023 | 20/11/2023 | Bronze |
| ATL TOPCO LIMITED | 15262497 | 06/11/2023 | 20/11/2023 | Bronze |
| CANSFORD ASSOCIATES LIMITED | 05558883 | 28/04/2023 | 20/11/2023 | Bronze |
| CANSFORD LABORATORIES LIMITED | 07466011 | 28/04/2023 | 20/11/2023 | Gold |
| CORTEX BIDCO LIMITED | 14770737 | 30/03/2023 | 20/11/2023 | Bronze |
| CORTEX TOPCO LIMITED | 14767112 | 29/03/2023 | 20/11/2023 | Amber |
| DM SAFETY AND HEALTH SERVICES LIMITED | 06631693 | 31/01/2023 | 20/11/2023 | Gold |
| ELECTRIC SAFE REGISTER LIMITED | 07054305 | 26/04/2022 | 20/11/2023 | Bronze |
| EVOLUTION WATER SERVICES LTD. | 03771796 | 01/06/2023 | 20/11/2023 | Gold |
| EWS BIDCO LIMITED | 14867502 | 15/05/2023 | 20/11/2023 | Bronze |
| INSTALLER CERTIFICATION LIMITED | 11739792 | 26/04/2022 | 20/11/2023 | Gold |
| MICA BIDCO LIMITED | 15026284 | 25/07/2023 | 20/11/2023 | Bronze |
| MICA TOPCO LIMITED | 15022012 | 24/07/2023 | 20/11/2023 | Bronze |
| NAPIT CERTIFICATION LIMITED | 05906366 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT HOLDINGS LIMITED | 08695446 | 26/04/2022 | 20/11/2023 | Silver |
| NAPIT INSPECTION LIMITED | 05585159 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT MARKETING LIMITED | 06661938 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT REGISTRATION LIMITED | 05190452 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT SERVICES LIMITED | 05495085 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT TRAINING LIMITED | 05023795 | 26/04/2022 | 20/11/2023 | Silver |
| NAPIT TRAINING SERVICES LIMITED | 05577517 | 26/04/2022 | 20/11/2023 | Bronze |
| NAPIT TRAINING SOUTH WEST LIMITED | 07455137 | 26/04/2022 | 20/11/2023 | Bronze |
| PROJECT BAKELITE BIDCO LIMITED | 14293675 | 12/08/2022 | 20/11/2023 | Bronze |
| PROJECT BAKELITE TOPCO LIMITED | 14292286 | 12/08/2022 | 20/11/2023 | Gold |
| PROJECT HENLEY BIDCO LIMITED | 14216674 | 05/07/2022 | 20/11/2023 | Bronze |
| PROJECT HENLEY TOPCO LIMITED | 14214331 | 04/07/2022 | 20/11/2023 | Silver |
| RAMMSANDERSON ECOLOGY LIMITED | 08999992 | 31/01/2023 | 20/11/2023 | Amber |
| RAMMSANDERSON TRAINING LTD | 12217591 | 31/01/2023 | 20/11/2023 | Amber |
| RSAN BIDCO LIMITED | 14593205 | 16/01/2023 | 20/11/2023 | Bronze |
| RSAN TOPCO LIMITED | 14591181 | 13/01/2023 | 20/11/2023 | Amber |
| SAYVOL ENVIRONMENTAL AND BUILDING SERVICES LIMITED | 04439202 | 06/03/2023 | 20/11/2023 | Gold |
| SOUTH WEST GEOTECHNICAL LIMITED | 04601171 | 31/07/2023 | 20/11/2023 | Silver |
| THE NAPIT GROUP LIMITED | 05190742 | 26/04/2022 | 20/11/2023 | Bronze |
| THE RAMMSANDERSON GROUP LTD | 12217478 | 31/01/2023 | 20/11/2023 | Silver |
| TIC BIDCO LIMITED | 14286398 | 21/12/2022 | 21/12/2023 | Silver |
| TIC HOLDCO LIMITED | 14286093 | 21/12/2022 | 21/12/2023 | Silver |
| TIC MIDCO LIMITED | 14286361 | 21/12/2022 | 21/12/2023 | Silver |
| TIC PLEDGECO LIMITED | 14286360 | 21/12/2022 | 21/12/2023 | Silver |
| TROYES BIDCO LIMITED | 14503051 | 23/11/2022 | 20/11/2023 | Bronze |
| UNI BIDCO LIMITED | 14678938 | 21/02/2023 | 20/11/2023 | Bronze |
| UNI TOPCO LIMITED | 14671797 | 17/02/2023 | 20/11/2023 | Silver |
| UNISOLVE LTD | 04965550 | 06/03/2023 | 20/11/2023 | Silver |
| XTRATEC LTD | 05929950 | 22/08/2022 | 20/11/2023 | Silver |
| ZENITH BIDCO LIMITED | 14574185 | 06/01/2023 | 20/11/2023 | Bronze |
| ZENITH TOPCO LIMITED | 14570867 | 04/01/2023 | 20/11/2023 | Silver |
| ZETA ANALYTICAL LIMITED | 05032824 | 06/12/2022 | 20/11/2023 | Gold |