| Company | Timeline | Status | |
| Colets Piling Limited Director • Unreported  | 1 Sep 2020←5 Years→Current  | Active  | |
| Kaw Pile Design & Estimating Limited Director • Director  | 14 Sep 2018←3 Years→28 Sep 2021  | Dissolved  | |
| Colets Piling Limited Director • Piling Engineer  | 29 Oct 1998←19 Years→31 May 2018  | Active  | |
