| Company | Timeline | Status | |
| Colas Siac Limited Director • Chief Financial Officer | 9 Aug 2017←3 Years→30 Apr 2021 | Active | |
| Siac Construction (Roofing & Cladding) Limited Director • Company Director | 14 Jan 2014←8 Years→16 Aug 2022 | Dissolved | |
| Siac (N.I.) Limited Director • Accountant | 28 Feb 2013←10 Years→23 Jan 2024 | Dissolved | |
| Siac Slipform Limited Director • None | 26 Nov 2009←12 Years→16 Aug 2022 | Dissolved | |
