| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AIRSENSE TECHNOLOGY LIMITED | 02765244 | 28/09/2021 | Dissolved |
| ALARMFAST SUPERVISION SECURITY SYSTEMS LIMITED | SC106616 | 16/08/2019 | Dissolved |
| AUTOMATED LOGIC LIMITED | 04078352 | 16/11/2022 | Amber |
| CARRIER FINANCE UK LIMITED | 00184806 | 04/10/2021 | Dissolved |
| CARRIER INVESTMENTS UK LIMITED | 07099727 | 15/02/2023 | One Red Flag |
| CARRIER RENTAL SYSTEMS LIMITED | 03807755 | 09/12/2022 | Bronze |
| CARRIER TRANSCONTINENTAL COMPANY LIMITED | 00622792 | 28/07/2016 | Dissolved |
| CARRIER UK HOLDINGS LIMITED | 06774387 | 15/02/2023 | One Red Flag |
| CAVIUS LTD. | SC675873 | 09/06/2022 | Silver |
| CIAT OZONAIR LTD | 01358498 | 14/10/2021 | Dissolved |
| DIGI SECURITY LIMITED | 04737050 | 05/10/2018 | Dissolved |
| E.M.S. RADIO SYSTEMS LIMITED | 01926026 | 06/09/2021 | Dissolved |
| EMS MANUFACTURING LIMITED | 03032727 | 06/09/2021 | Dissolved |
| EMS SECURITY GROUP LIMITED | 03037609 | 20/02/2023 | One Red Flag |
| EMS SMARTCELL LTD | 02217685 | 06/09/2021 | Dissolved |
| EXPRESS LIFTS ALLIANCE LIMITED | 00612633 | 14/03/2016 | Dissolved |
| FIRECELL LIMITED | 06983870 | 06/09/2021 | Dissolved |
| FORAY 414 LIMITED | 02704815 | 13/05/2023 | One Red Flag |
| FREIGHTWATCH (UK) LIMITED | 03893379 | 15/09/2017 | Dissolved |
| GLOBAL SYSTEM TECHNOLOGY LIMITED | 04113303 | 05/09/2017 | Dissolved |
| GNITROW LTD | 00056058 | 15/02/2023 | One Red Flag |
| GOODRICH PENSION TRUSTEES LIMITED | 04511842 | 11/10/2017 | Dissolved |
| HALLMARK FIRE LTD. | 03043311 | 31/08/2018 | Dissolved |
| HS MARSTON AEROSPACE PENSION TRUSTEE LIMITED | 03787607 | 03/03/2016 | Dissolved |
| JOHN MOORE SECURITY LIMITED | 02094882 | 17/07/2018 | Dissolved |
| KAYSAIL LIMITED | 05265655 | 15/02/2023 | Amber |
| KIDDE FINANCE LIMITED | 04053789 | 04/10/2021 | Dissolved |
| KIDDE FIRE PROTECTION SERVICES LIMITED | 01054492 | 09/10/2017 | Dissolved |
| KIDDE INTERNATIONAL LIMITED | 04132076 | 07/02/2023 | Silver |
| KIDDE LIMITED | 04039127 | 07/02/2023 | One Red Flag |
| KIDDE PRODUCTS LIMITED | 04622271 | 04/09/2024 | Bronze |
| KIDDE SECURITIES INVESTMENTS LIMITED | 04881386 | 04/10/2021 | Dissolved |
| KIDDE SECURITIES LIMITED | 04880689 | 08/09/2022 | Not Trading |
| KIDDE UK | 04239867 | 07/02/2023 | Bronze |
| MATLOCK HOLDINGS LTD | 11910884 | 15/02/2023 | Amber |
| PARKVIEW TREASURY SERVICES (UK) LIMITED | 06405459 | 15/02/2023 | Amber |
| PAYMENT SERVICES LIMITED | 05090355 | 28/09/2018 | Dissolved |
| PITA LIMITED | 00200111 | 04/10/2021 | Dissolved |
| SAFETY SOLUTIONS U.K. LIMITED | 15371051 | 27/12/2023 | Amber |
| SENSITECH (UK) LTD | 03658370 | 23/01/2023 | Amber |
| SFS HOLDINGS LIMITED | 05479198 | 07/02/2023 | Amber |
| VISUAL VERIFICATION LIMITED | 03140132 | 28/06/2018 | Dissolved |
| WALTER KIDDE LIMITED | 00254310 | 07/02/2023 | Not Trading |
| WATKINS HIRE LIMITED | 03599314 | 14/10/2021 | Dissolved |
| WHL 2013 HOLDINGS LIMITED | 08758468 | 14/10/2021 | Dissolved |
| WHL 2013 LIMITED | 08764183 | 14/10/2021 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARRIER HOLDINGS LIMITED | 01832785 | 19/01/2017 | 16/03/2020 | Dissolved |
| CHUBB MANAGEMENT SERVICES LIMITED | 01929512 | 18/06/2019 | 03/01/2022 | Dissolved |