| Company | Timeline | Status | |
| Sdpsa (Arch Holdings) Ltd Director • Unreported | 5 Mar 2021←4 Years→Current | Active | |
| Sdpsa (Property Holdings) Ltd Director • Unreported | 5 Mar 2021←4 Years→Current | Active | |
| Sdpsa (Holdings) Ltd Director • Unreported | 18 Nov 2013←11 Years→Current | Liquidation | |
| Bright Buttons Nursery Limited Director • Architect | 7 Apr 2011←14 Years→13 Apr 2025 | Dissolved | |
| Archdale Estates Limited Secretary • Architect | 16 May 2007←18 Years→Current | Active | |
| Archdale Estates Limited Director • Unreported | 16 May 2007←18 Years→Current | Active | |
| Stephen Davy Peter Smith Architects Limited Director • Unreported | 25 Nov 1999←25 Years→Current | Active | |
