| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACORN ENGINEERING GROUP LIMITED | 04448904 | 01/01/2023 | Bronze |
| ACORN ENGINEERING LIMITED | 02178434 | 01/01/2023 | Gold |
| ACORN INTEGRATED SYSTEMS (BMS MAINTENANCE) LIMITED | 08045579 | 01/01/2023 | Bronze |
| AMB NEWCO 03 LIMITED | 08782684 | 12/07/2023 | Gold |
| ARTIC BUILDING SERVICES LIMITED | 03529819 | 12/07/2023 | Bronze |
| ARTIC HOLDINGS LIMITED | 11472406 | 12/07/2023 | Silver |
| CAMBRIDGE MAINTENANCE SERVICES LIMITED | 03054414 | 01/01/2023 | Gold |
| MECSIA GROUP LIMITED | 12830508 | 01/01/2023 | Silver |
| MECSIA LIMITED | 13046139 | 01/01/2023 | Amber |
| MECSIA MIDCO LIMITED | 13046154 | 01/01/2023 | Amber |
| MLR INTERIM CONSULTING LIMITED | 11872658 | 09/03/2019 | Silver |
| PGLP INVESTMENTS LIMITED | 12809387 | 12/08/2020 | Bronze |
| S K HEATING AND COOLING LIMITED | 03604975 | 01/01/2023 | Gold |
| SCOTT COMBUSTION LTD | 03453313 | 08/03/2024 | Silver |
| SK REFRIGERATION HEATING AND COOLING LTD | 12482639 | 01/01/2023 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| JGET PARTNERSHIP LIMITED | 13014970 | 12/11/2020 | 01/04/2023 | Dissolved |
| KESSLERS INTERNATIONAL LIMITED | 09949678 | 24/01/2017 | 14/11/2017 | Insolvent |
| LEADING EDGE LABELS LIMITED | 04625250 | 03/11/2009 | 09/10/2013 | Gold |
| Quick Key Ltd | 04146436 | 03/09/2007 | 17/09/2007 | Dissolved |
| Rjl Security Ltd | 05651465 | 03/09/2007 | 17/09/2007 | Dissolved |
| WARD SECURITY (CITY) LIMITED | 05724916 | 03/09/2007 | 17/09/2007 | Dissolved |
| WARD SECURITY (EAST) LIMITED | 05804427 | 03/09/2007 | 17/09/2007 | Dissolved |
| WARD SECURITY (WEST) LIMITED | 05724879 | 03/09/2007 | 17/09/2007 | Dissolved |
| WARD SECURITY GROUP HOLDINGS LIMITED | 06276217 | 17/07/2007 | 03/09/2007 | Silver |
| WARD SECURITY LIMITED | 05607258 | 03/09/2007 | 17/09/2007 | Silver |
| WARD SECURITY TRAINING LIMITED | 05999818 | 03/09/2007 | 17/09/2007 | Bronze |