| Company | Timeline | Status | |
| Y&S Horizons Limited Director • Software Developer | 4 Jan 2024←1 Year 10 Months→Current | Active | |
| Esperus Systems Limited Director • Unreported | 25 Feb 2004←21 Years→Current | Liquidation | |
| Esperus Software Limited Director • Software Developer | 29 Oct 2001←20 Years→15 Feb 2022 | Dissolved | |
| Esperus Systems Limited Director • Analyst Programmer | 3 Mar 1997←4 Years→21 Nov 2001 | Liquidation | |
