| Company | Timeline | Status | |
| GDM Investments Limited Director • Drainage Engineer | 11 Apr 2017←8 Years→Current | Active | |
| GDM Holdings Limited Director • Director | 23 Dec 2008←17 Years→Current | Active | |
| Drain Aid Limited Director • Drainage Engineer | 18 May 1999←26 Years→Current | Active | |
Waterblast Limited Director • Director | 1 Aug 1992←2 Years 6 Months→31 Jan 1995 | Dissolved | |
