| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GEOWARMTH HEAT PUMPS LIMITED | 06071914 | 03/06/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATED LEAD MANUFACTURERS LIMITED | 01428597 | 30/12/1994 | 13/11/1995 | Dissolved |
| AUCKLAND TIMBER & BUILDERS MERCHANTS LIMITED | 02212796 | 27/08/2004 | 01/08/2005 | Dissolved |
| CALDER INDUSTRIAL MATERIALS LIMITED | 00028073 | 30/12/1994 | 13/11/1995 | Bronze |
| CALDER INDUSTRIAL MATERIALS LIMITED | 00028073 | 01/08/1995 | 14/11/1997 | Bronze |
| CALDER METAL PROCESSORS LIMITED | 01983698 | 30/12/1994 | 13/11/1995 | Dissolved |
| CALDER METAL PROCESSORS LIMITED | 01983698 | 20/05/1996 | 14/11/1997 | Dissolved |
| CIM INVESTMENTS LIMITED | 00335867 | 30/12/1994 | 13/11/1995 | Dissolved |
| GEOWARMTH HEAT PUMPS LIMITED | 06071914 | 15/03/2007 | 28/02/2024 | Silver |
| Geowarmth Ltd | 04940763 | 04/09/2006 | 08/03/2007 | Dissolved |
| J.T. DOVE PENSIONS TRUST LIMITED | 00528300 | 01/02/1998 | 01/08/2005 | Not Trading |
| J.T.DOVE,LIMITED | 00085529 | 01/02/1998 | 29/06/1999 | Gold |
| J.T.DOVE,LIMITED | 00085529 | 17/11/1997 | 01/08/2005 | Gold |
| SANDCO 1158 LIMITED | 04177818 | 09/04/2001 | 20/03/2007 | Strike Off |
| Tyne & Wear Small Business Service Ltd | 04070510 | 21/11/2000 | 20/03/2007 | Dissolved |