| Company | Timeline | Status | |
| Four-Tec Fabrications Limited Director • Unreported  | 25 May 2023←2 Years 5 Months→Current  | Active  | |
| Austin Engineering Services Ltd Director • Director  | 29 Jun 2021←2 Years 7 Months→13 Feb 2024  | Active  | |
| Roltech Ltd Director • Director  | 16 Jun 2017←3 Years→22 Mar 2021  | Dissolved  | |
Roltech Water Management Limited Director • Director  | 20 Nov 2012←3 Years→1 Nov 2016  | Dissolved  | |
Activated Waves Limited Director • Director  | 5 Sep 2011←8 Years→17 Apr 2020  | Dissolved  | |
Roltech Celsius Limited Director • Director  | 29 Nov 2004←11 Years→15 Nov 2016  | Dissolved  | |
Roltech Celsius Limited Secretary • Director  | 29 Nov 2004←11 Years→15 Nov 2016  | Dissolved  | |
| Roltech Engineering Limited Secretary • Director  | 8 May 2002←23 Years→Current  | Active  | |
| Roltech Engineering Limited Director • Director  | 8 May 2002←23 Years→Current  | Active  | |
| Gough & Co. (Hanley) Limited Director • Director  | 14 Feb 1996←6 Years→31 May 2002  | Liquidation  | |
