| Company | Timeline | Status | |
| Lyall Construction Limited Director • Director | 5 Jun 2020←3 Years→9 Apr 2024 | Dissolved | |
| Lyall Developments Limited Director • Builder | 2 Apr 2020←5 Years→8 Jul 2025 | Dissolved | |
| Lyall Building Solutions Ltd Director • Unreported | 10 Nov 2014←10 Years→Current | Active | |
Lyall Joinery Limited Director • Manager | 8 Jan 2010←4 Years→29 Aug 2014 | Dissolved | |
