| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| FFIH LIMITED | 12593050 | 11/05/2020 | Bronze |
| HOTHAM KILLINGHALL LIMITED | 12885111 | 25/05/2022 | Bronze |
| JFIH LTD | 15766147 | 06/06/2024 | Amber |
| PREMIER TECHNICAL SERVICES GROUP LIMITED | 06005074 | 04/12/2006 | Bronze |
| RFIH LTD | 15766089 | 06/06/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EENERGY GROUP PLC | 05357433 | 28/03/2023 | 09/02/2024 | Gold |
| GUARDIAN CRADLE MAINTENANCE LTD | 04948690 | 20/10/2011 | 01/11/2022 | Amber |
| PTSG ACCESS AND SAFETY LIMITED | 03233894 | 28/02/2007 | 01/11/2022 | One Red Flag |
| PTSG STEEPLEJACKING LIMITED | 06330511 | 04/03/2008 | 16/06/2022 | Dissolved |
| PTSG STEEPLEJACKS LIMITED | 06473821 | 17/03/2008 | 16/06/2022 | Dissolved |