| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADT FIRE AND SECURITY PLC | 01161045 | 31/01/2024 | Silver |
| ASPRO CREST LIMITED | 04447075 | 31/12/2023 | Bronze |
| BLUE SKY I-TECH SOLUTIONS LTD | 10141165 | 31/12/2023 | Dissolved |
| COMPUTERISED AND DIGITAL SECURITY SYSTEMS LIMITED | 02332983 | 31/12/2023 | Silver |
| ELECTRONIC SECURITY SYSTEMS AND FIRE PROTECTION LTD. | SC098228 | 31/12/2023 | Dissolved |
| ENVISION INTELLIGENT SOLUTIONS LIMITED | NI602735 | 31/12/2023 | Bronze |
| ESOTEC LTD. | 10074925 | 31/12/2023 | Silver |
| GEM SECURITY SERVICES LIMITED | 02464502 | 31/12/2023 | One Red Flag |
| NEW TECH SECURITY LIMITED | 03381849 | 31/12/2023 | One Red Flag |
| NT SECURITY LIMITED | 06143252 | 31/12/2023 | Dissolved |
| RTLS COMMUNICATIONS LIMITED | 09272544 | 31/12/2023 | Silver |
| TYCO FIRE & INTEGRATED SOLUTIONS (UK) LIMITED | 01952517 | 31/01/2024 | Silver |
| VINDEX SYSTEMS LIMITED | 04453714 | 31/12/2023 | One Red Flag |
| WOT SECURITY LIMITED | 01768062 | 31/12/2023 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABBEY LIFTCARE LIMITED | 02928817 | 25/05/2016 | 03/05/2019 | Amber |
| AXIS ELEVATORS LIMITED | 02340843 | 28/11/2018 | 03/05/2019 | Amber |
| LINDE AMT UK LIMITED | 02416734 | 07/05/2019 | 29/09/2020 | Silver |
| THE EXPRESS LIFT COMPANY LIMITED | 03162869 | 25/05/2016 | 03/05/2019 | Silver |
| TRIANGLE LIFT SERVICES LIMITED | 03262929 | 23/05/2016 | 03/05/2019 | Silver |