| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUILDING INSULATION SERVICES LTD. | SC277131 | 06/01/2014 | Dissolved |
| INSULATION SOLUTIONS (SCOTLAND) . LIMITED | SC477859 | 20/05/2014 | Gold |
| THE INSTALLATION ASSURANCE AUTHORITY FEDERATION LIMITED | 15586507 | 08/04/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GREEN ENERGY MIDLOTHIAN CIC | SC437213 | 20/11/2012 | 20/08/2014 | Dissolved |
| NATIONAL INSULATION ASSOCIATION LTD | 01684483 | 31/05/2022 | 18/03/2024 | Silver |