| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APEX STEEPLEJACKS LIMITED | SC240151 | 12/06/2015 | 10/10/2019 | Not Trading |
| BROOKE EDGLEY SPECIALIST TECHNICAL SERVICES LIMITED | 00591982 | 06/07/2017 | 10/10/2019 | One Red Flag |
| BROOKE, EDGLEY (INDUSTRIAL CHIMNEYS) LIMITED | 00754212 | 06/07/2017 | 10/10/2019 | Silver |
| C.J.S. (EASTERN) LIMITED | 03374593 | 30/11/2012 | 10/10/2019 | Not Trading |
| CARDINAL SPECIALIST SERVICES LIMITED | 02792592 | 04/04/2013 | 10/10/2019 | Not Trading |
| GUARDIAN CRADLE MAINTENANCE LTD | 04948690 | 20/10/2011 | 10/10/2019 | Amber |
| GUARDIAN ELECTRICAL COMPLIANCE LIMITED | 07388602 | 18/10/2018 | 10/10/2019 | Silver |
| INTEGRAL CRADLES LIMITED | 05123002 | 01/10/2015 | 10/10/2019 | Amber |
| M&P FIRE PROTECTION LTD | 07296784 | 04/07/2018 | 10/10/2019 | One Red Flag |
| NAP HEIGHT SERVICES LIMITED | SC285771 | 12/06/2015 | 10/10/2019 | Not Trading |
| NATHS LIMITED | SC239902 | 12/06/2015 | 10/10/2019 | One Red Flag |
| NIMBUS LIGHTNING PROTECTION LIMITED | 06345500 | 13/01/2017 | 10/10/2019 | Amber |
| PENDRICH HEIGHT SERVICES LIMITED | SC257071 | 12/06/2015 | 10/10/2019 | One Red Flag |
| PENDRICH ROPE ACCESS LIMITED | SC285772 | 12/06/2015 | 10/10/2019 | Not Trading |
| PROTECTIS LIMITED | 03204173 | 08/10/2012 | 10/10/2019 | Not Trading |
| PTSG BUILDING ACCESS SPECIALISTS LIMITED | 08950738 | 01/07/2014 | 09/10/2019 | One Red Flag |
| PTSG ELECTRICAL SERVICES LIMITED | 02811979 | 10/12/2010 | 10/10/2019 | One Red Flag |
| PTSG ELECTRICAL TESTING SERVICES LIMITED | 08798837 | 08/01/2014 | 01/12/2014 | Not Trading |
| TEST STRIKE UK LIMITED | 06861151 | 29/11/2013 | 10/10/2019 | Silver |
| TRINITY FIRE AND SECURITY SYSTEMS LTD | 03304503 | 18/01/2019 | 10/10/2019 | Silver |
| TRINITY PROTECTION SYSTEMS LTD | 08552492 | 18/01/2019 | 10/10/2019 | Strike Off |
| TRINITY TEN LIMITED | 07261813 | 18/01/2019 | 10/10/2019 | Silver |
| UK DRY RISERS (MAINTENANCE) LTD | 07455012 | 05/07/2016 | 10/10/2019 | Silver |
| UK DRY RISERS LIMITED | 06834899 | 05/07/2016 | 10/10/2019 | Amber |
| UK SPRINKLERS LIMITED | 07915651 | 11/09/2017 | 10/10/2019 | One Red Flag |