| Company | Timeline | Status | |
| 4.A Investments Ltd Director • Director | 8 Mar 2019←6 Years→Current | Active | |
| Debross Holdings Ltd Director • Director | 8 Mar 2019←6 Years→Current | Active | |
| Ross Miller Piling Limited Director • Director | 2 Nov 2012←13 Years→Current | Active | |
| Rock & Alluvium Limited Director • Manager | 1 Jul 2002←2 Years 9 Months→15 Apr 2005 | Active | |
