| Company | Timeline | Status | |
| The Armourers Hall Company Limited Director • Business Executive | 5 Apr 2024←1 Year 8 Months→Current | Active | |
| Eccelearning Limited Director • Businessman | 6 Jul 2015←10 Years→Current | Active | |
Ranier Technology Limited Director • Scientist | 27 Jan 1995←23 Years→1 Nov 2018 | Dissolved | |
Ranier Limited Director • Scientist | 27 Jan 1995←21 Years→12 Nov 2016 | Dissolved | |
