| Company | Timeline | Status | |
| HK3D Solutions Limited Director • Accountant | 17 Jul 2019←6 Years→Current | Active | |
| H K Laser Services Limited Director • Accountant | 17 Jul 2019←6 Years→Current | Active | |
| H K (Holdings) Limited Director • Accountant | 17 Jul 2019←6 Years→Current | Active | |
| H K Technologies Limited Director • Accountant | 17 Jul 2019←6 Years→Current | Active | |
| Hahn & Kolb (Great Britain) Limited Director • Unreported | 17 Jul 2019←6 Years→Current | Active | |
