| Company | Timeline | Status | |
| Masterbill Measurement Services Limited Director • Company Director | 11 Jul 2014←11 Years→Current | Active | |
Construction Measurement Services Limited Director • Director | 27 May 2010←8 Years→2 Oct 2018 | Dissolved | |
| Masterbill Measurement Systems Limited Director • Software Engineer | 20 Mar 2002←23 Years→Current | Active | |
Construction Directory Limited Director • Company Director | 24 Feb 2000←18 Years→18 Sep 2018 | Dissolved | |
| Edata Online Systems Limited Director • Unreported | 7 Feb 2000←25 Years→Current | Active | |
| Woodland Software Solutions Limited Director • Unreported | 9 Oct 1998←27 Years→Current | Active | |
| Masterbill Micro Systems Limited Director • Unreported | 2 Oct 1997←28 Years→Current | Active | |
