| Company | Timeline | Status | |
| Independent Ductwork Limited Director • Works Director | 1 Jun 1996←6 Years→25 Mar 2003 | Active | |
| Independent Supplies Limited Director • Works Director | 22 Aug 1994←7 Years→30 Apr 2002 | Dissolved | |
| Independent Ductwork Limited Director • Works Director | 2 Apr 1992←3 Years→30 Jun 1995 | Active | |
