| Company | Timeline | Status | |
| Tu-Max Limited Director • None | 4 Mar 2010←14 Years→5 Nov 2024 | Dissolved | |
| Kestrel Press (Irvine) Limited Director • Salesman | 6 Jun 1989←33 Years→20 Jan 2023 | Active | |
| Kestrel Press (Irvine) Limited Director • Unreported | 1 Jan 1970←53 Years→20 Jan 2023 | Active | |
