| Company | Timeline | Status | |
| NPL Geotechnics Limited Director • Director | 19 Nov 2004←2 Years 5 Months→1 May 2007 | Dissolved | |
| NPL Analytical Limited Director • Director | 7 Jul 2004←2 Years 9 Months→1 May 2007 | Dissolved | |
| Thornton Facilities Management Limited Director • Director | 15 Apr 2003←3 Years→20 Jul 2006 | Active | |
| Adelaide Place Development Company Limited Director • Consultant | 20 Jan 1993←6 Months→31 Jul 1993 | Liquidation | |
SC006409 Limited Director • Company Director | 25 Aug 1989←2 Years 10 Months→16 Jul 1992 | Active | |
