| Company | Timeline | Status | |
| Fast Black 2020 Ltd Director • Director | 16 Mar 2020←2 Years 4 Months→2 Aug 2022 | Dissolved | |
| Fast Black Limited Director • Director | 9 Nov 2018←7 Years→Current | Active | |
| Blackonline Services Ltd Director • Director | 6 Jun 2016←4 Years→3 Mar 2021 | Dissolved | |
J Cheng Services Ltd Director • Director | 28 Aug 2012←4 Years→30 Mar 2017 | Dissolved | |
