| Company | Timeline | Status | |
| Hi Auto Wash Ltd Director • Managing Director | 18 Jul 2024←10 Months→27 May 2025 | Dissolved | |
| Arum Implants Ltd Director • Managing Director | 19 Sep 2023←2 Years 1 Month→Current | Active | |
| Arum Digital Solutions Ltd Director • Managing Director | 10 Mar 2023←2 Years 7 Months→Current | Active | |
| Choi's Investments Ltd Director • Managing Director | 13 Feb 2023←2 Years 8 Months→Current | Active | |
Arum Europe Limited Director • Managing Director | 8 Oct 2018←1 Year 4 Months→11 Feb 2020 | Dissolved | |
| Arum 3D Solutions Ltd Director • Director | 25 Nov 2015←9 Years→Current | Active | |
| Hoil Dental Manufacture Solutions Ltd Director • Company Director | 24 Jul 2015←10 Years→Current | Active | |
| Hoil Dental Laboratory Ltd Director • Dental Technician | 25 Feb 2011←14 Years→Current | Active | |
