| Company | Timeline | Status | |
| The Rocket House Management Company Limited Director • Engineer | 6 Dec 2012←4 Months→15 Apr 2013 | Active | |
| YMG Limited Director • Company Director | 23 Apr 2009←13 Years→11 Apr 2023 | Active | |
| Rosemead Consultants Limited Director • Aerospace Engineer | 19 Aug 2003←21 Years→17 Sep 2024 | Dissolved | |
