| Company | Timeline | Status | |
| Yu Martial ARTS Limited Director • Unreported | 25 May 2022←3 Years→Current | Active | |
| Yu Marital ATS Ltd Director • Engineer | 25 May 2022←3 Months→23 Aug 2022 | Dissolved | |
Brownstone Projects Ltd Director • Engineer | 2 May 2018←2 Years 4 Months→22 Sep 2020 | Dissolved | |
| PB Solutions Limited Director • Unreported | 5 Apr 2013←12 Years→Current | Active | |
