| Company | Timeline | Status | |
| H&A Property Ltd Director • Director | 22 Jun 2023←2 Years 4 Months→Current | Active | |
| Pearlite Control Systems Limited Director • Company Director | 1 Apr 2023←2 Years 7 Months→Current | Active | |
| Pearlite Control Systems Limited Director • Company Director | 1 Apr 2023←1 Year 8 Months→1 Dec 2024 | Active | |
| H&A Property Ltd Director • Company Director | 8 Apr 2022←6 Months→1 Nov 2022 | Active | |
| Highnoon Consulting Ltd Director • Engineer | 11 Feb 2020←1 Year 3 Months→18 May 2021 | Dissolved | |
| HK Engineering Services Ltd Director • Engineer | 8 May 2018←4 Years→18 Apr 2023 | Active | |
