| Company | Timeline | Status | |
| Red Semiconductor International Ltd Director • Unreported | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| NVF Tech Ltd Director • Director | 15 Jun 2012←1 Year 7 Months→21 Jan 2014 | Active | |
Hiwave Technologies Plc Director • Director | 2 Apr 2012←3 Years→10 Dec 2015 | Dissolved | |
| Calderwood Han Limited Director • Engineer | 7 Aug 1992←28 Years→8 Dec 2020 | Dissolved | |
| Calderwood Han Limited Secretary • Marketing Consultant | 7 Aug 1992←28 Years→8 Dec 2020 | Dissolved | |
