| Company | Timeline | Status | |
| Equalglen Holdings Limited Director • Architect | 14 May 2025←6 Months→Current | Active | |
| Sdpsa (Property Holdings) Ltd Director • Architect | 5 Mar 2021←4 Years→Current | Active | |
| Sdpsa (Arch Holdings) Ltd Director • Architect | 5 Mar 2021←4 Years→Current | Active | |
| KSST Director • Architect | 26 Sep 2016←1 Year 9 Months→29 Jun 2018 | Active | |
| Sdpsa (Holdings) Ltd Director • Architect | 18 Nov 2013←12 Years→Current | Liquidation | |
| Science Alive Director • Architect | 24 Jul 2012←3 Years→1 Sep 2015 | Dissolved | |
| Bright Buttons Nursery Limited Director • Architect | 7 Apr 2011←14 Years→13 Apr 2025 | Dissolved | |
| Archdale Estates Limited Director • Architect | 16 May 2007←18 Years→Current | Active | |
| Stephen Davy Peter Smith Architects Limited Director • Architect | 25 Nov 1999←26 Years→Current | Active | |
