| Company | Timeline | Status | |
| Works Infrastructure Limited Director • Director | 30 Jun 2012←2 Years 8 Months→25 Mar 2015 | Dissolved | |
| Sillars (TMWD) Limited Director • Chief Financial Officer | 1 Jun 2009←5 Years→25 Mar 2015 | Dissolved | |
| Works Infrastructure (Holdings) Limited Director • Director | 1 Jun 2009←5 Years→25 Mar 2015 | Dissolved | |
| Works Infrastructure Limited Director • Director | 1 Jun 2009←2 Years 5 Months→17 Nov 2011 | Dissolved | |
| Sillars Holdings Limited Director • Chief Financial Officer | 1 Jun 2009←5 Years→25 Mar 2015 | Dissolved | |
| Sillars (B. & C.E.) Limited Director • Chief Financial Officer | 1 Jun 2009←5 Years→25 Mar 2015 | Dissolved | |
| Sillars Road Construction Limited Director • Chief Financial Officer | 1 Jun 2009←5 Years→25 Mar 2015 | Dissolved | |
