| Company | Timeline | Status | |
| Halberg Guss (Bourne) Limited Director • Accountant | 4 Mar 2004←12 Months→28 Feb 2005 | Dissolved | |
| Halberg Guss (Bourne) Limited Secretary • Unreported | 30 May 2002←2 Years 9 Months→28 Feb 2005 | Dissolved | |
| Muon Software Limited Secretary • Unreported | 16 Mar 2000←25 Years→Current | Active | |
| Muon Software Limited Secretary • Unreported | 16 Mar 2000←25 Years→12 Mar 2025 | Active | |
