| Company | Timeline | Status | |
Touch Art Limited Director • Author & Artist | 21 Nov 2003←14 Years→19 Jun 2018 | Dissolved | |
| Serif Graphics Limited Director • Author And Artist | 12 Aug 1991←34 Years→Current | Active | |
| Serif Graphics Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
