| Company | Timeline | Status | |
| Four-Tec Fabrications Limited Director • Director | 6 Jul 2021←4 Years→Current | Active | |
| Austin Engineering Services Ltd Director • Director | 29 Jun 2021←4 Years→Current | Active | |
Roltech Celsius Limited Director • Director | 29 Nov 2004←11 Years→15 Nov 2016 | Dissolved | |
| Roltech Engineering Limited Director • Director | 8 May 2002←23 Years→Current | Active | |
| Roltech Conveyors Limited Director • Director | 7 Feb 1993←29 Years→22 Mar 2022 | Dissolved | |
| Alan Austin & Son (Engineers) Limited Director • Director | 31 Dec 1990←31 Years→1 Feb 2022 | Dissolved | |
