| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| THE THREE CASTLES MOTOR CLUB | 04596282 | 20/11/2002 | One Red Flag |
| THREE CASTLES CLASSIC RALLIES LIMITED | 05058895 | 01/03/2004 | Silver |
| The Three Castles' Trial Ltd | 04331352 | 01/03/2003 | Dissolved |
| WOODLANDS RESIDENTIAL LIMITED | 04158713 | 29/06/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LOUISE GOFF LIMITED | 05527069 | 30/03/2006 | 22/10/2010 | Dissolved |
| PIPESHIELD INTERNATIONAL LTD | 03886400 | 25/11/1999 | 25/11/2009 | Silver |
| PIPESHIELD INTERNATIONAL LTD | 03886400 | 25/11/1999 | 04/10/2017 | Silver |