| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 001AAA Watersheds Ltd | 02805012 | 30/03/1993 | Dissolved |
| Charter Direct Ltd | 03183274 | 04/04/1996 | Dissolved |
| ECO HOMETEC UK LIMITED | 03129916 | 23/11/1995 | Dissolved |
| Energy Alliance Ltd | 03238738 | 16/08/1996 | Dissolved |
| Heating Direct Ltd | 03009905 | 14/02/1995 | Dissolved |
| Insulation Direct Ltd | 03016626 | 31/01/1995 | Dissolved |
| Plumbing Direct Ltd | 03016231 | 31/01/1995 | Dissolved |
| REVEL (UK) LIMITED | 05293369 | 22/11/2004 | Dissolved |
| SOLAR COMBI LIMITED | 04122318 | 11/12/2000 | Dissolved |
| UNDERFLOORHEATING1 LIMITED | 06913096 | 18/06/2021 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| UNDERFLOORHEATING1 LIMITED | 06913096 | 21/05/2009 | 31/10/2012 | Silver |