| Company | Timeline | Status | |
| Lyall Willis & Co., Limited Director • Director | 22 Feb 2019←3 Years→30 Oct 2022 | Active | |
| Teksweep Limited Director • Director | 30 Apr 2013←10 Years→15 May 2023 | Liquidation | |
| Lyall Willis Surgical Limited Director • Director | 23 Mar 2012←10 Years→30 Oct 2022 | Dissolved | |
| Geeco 123 Limited Director • Director | 16 Oct 1998←27 Years→Current | Liquidation | |
| Cee Vee Engineering Limited Director • Director | 26 Jun 1996←5 Years→5 Apr 2002 | Active | |
| Colco Holdings Limited Director • Director | 10 Dec 1993←29 Years→11 Jan 2023 | Active | |
