| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.D.L. SECURITY SERVICES LIMITED | 02102649 | 28/08/2020 | Not Trading |
| A.M. SECURITY LIMITED | 03311839 | 30/06/2023 | One Red Flag |
| AES SECURITY LIMITED | 03547709 | 30/09/2020 | Not Trading |
| AM FIRE & SECURITY LIMITED | 10349699 | 30/06/2023 | Not Trading |
| APT SECURITY LIMITED | 04712769 | 31/01/2023 | Bronze |
| BCS SECURITY LIMITED | 08039972 | 28/08/2020 | Not Trading |
| BEART HOWARD INVESTMENTS LIMITED | 08090225 | 01/08/2020 | One Red Flag |
| BROOK SECURITY LIMITED | 02989823 | 31/01/2024 | Amber |
| BUCHANAN & CURWEN SECURITY LIMITED | 03800740 | 28/08/2020 | Not Trading |
| CHURCH STREET SECURITY LIMITED | 10472793 | 28/08/2020 | Not Trading |
| CRIMEFIGHTER ALARMS LIMITED | 01790992 | 26/02/2021 | Not Trading |
| CRIMEFIGHTER RENTALS LIMITED | 02588725 | 26/02/2021 | Not Trading |
| CROWN FIRE AND SECURITY GROUP LIMITED | 10476039 | 28/08/2020 | Not Trading |
| CROWN SECURITY SYSTEMS LIMITED | 01665091 | 28/08/2020 | Not Trading |
| CROZET ALARMS LIMITED | 06404151 | 12/02/2021 | Not Trading |
| D S C ALARMS LIMITED | 02625070 | 28/08/2020 | Not Trading |
| DIAMOND SECURITY CENTRES LIMITED | 02318292 | 28/08/2020 | Not Trading |
| FA4 LIMITED | 08913421 | 31/08/2021 | Silver |
| FIRE ACTION LIMITED | 04133367 | 31/08/2021 | Silver |
| FIRELEC CONTROLS LIMITED | 08262735 | 10/03/2023 | Bronze |
| GUARDIAN ALARMS LIMITED | 01539554 | 31/05/2024 | One Red Flag |
| GUARDIAN SECURITY & FIRE LIMITED | 05316506 | 28/08/2020 | Bronze |
| GUARDIAN SECURITY LIMITED | 06133426 | 28/08/2020 | Not Trading |
| HARRIS AND SANDFORD SECURITY LIMITED | 01702847 | 28/08/2020 | Not Trading |
| HESTON APEX LIMITED | 01542135 | 28/08/2020 | Not Trading |
| IMPULSE FIRE & SECURITY LIMITED | 08212970 | 15/10/2022 | Not Trading |
| IMPULSE MAINTENANCE SYSTEMS LIMITED | 04308437 | 15/10/2022 | Not Trading |
| IMPULSE SECURITY SYSTEMS LIMITED | 02159071 | 15/10/2022 | Not Trading |
| JUDGE ALARMS (1992) LIMITED | 02721436 | 26/02/2021 | Not Trading |
| K.T. FIRE PROTECTION LIMITED | 01213728 | 31/03/2023 | Silver |
| KENT & SUSSEX SECURITY LIMITED | 03186270 | 01/03/2024 | Not Trading |
| LONDON FIRE PROTECTION SERVICES LIMITED | 02900327 | 31/10/2023 | One Red Flag |
| MASTER ALARMS LIMITED | 04366416 | 31/10/2022 | Silver |
| OCTAGON LIMITED | 02186130 | 29/09/2023 | Bronze |
| RED ALERT LIMITED | 02777760 | 01/03/2024 | One Red Flag |
| S.D.S. SECURITY LIMITED | 02101141 | 28/08/2020 | Not Trading |
| SECURELEC CONTROLS LIMITED | 10795230 | 10/03/2023 | Not Trading |
| SPECIAL PURPOSE ELECTRONICS LIMITED | 01667465 | 28/08/2020 | Not Trading |
| SPY ALARMS LIMITED | 01919744 | 28/08/2020 | Amber |
| SPYDER BIDCO LIMITED | 12517302 | 28/08/2020 | One Red Flag |
| SPYDER FINCO LIMITED | 12517041 | 28/08/2020 | Bronze |
| SPYDER MIDCO LIMITED | 12517138 | 28/08/2020 | Bronze |
| STAND-FAST BURGLAR ALARM CO. (EAST KENT) LIMITED | 00931136 | 30/10/2020 | Not Trading |
| STAND-FAST BURGLAR ALARMS HOLDINGS LIMITED | 09797547 | 30/10/2020 | Not Trading |
| SUSSEX ALARMS LIMITED | 04219674 | 28/08/2020 | Not Trading |
| TELECOM ALARMS LIMITED | 02057030 | 28/08/2020 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SPYDER HOLDCO LIMITED | 12516945 | 28/08/2020 | 25/09/2024 | One Red Flag |