| Company | Timeline | Status | |
| Alan Lin Electrical Engineering Ltd Director • Electrical Engineer | 4 Sep 2018←3 Years→19 Oct 2021 | Dissolved | |
Alan Rolling Stock Ltd Director • Electrical Engineer | 21 Jan 2011←7 Years→6 Mar 2018 | Dissolved | |
| Hamelin House Management Limited Director • Unreported | 25 May 2004←21 Years→Current | Active | |
| Hamelin House Management Limited Secretary • Technician | 25 May 2004←1 Year 10 Months→31 Mar 2006 | Active | |
| Hamelin House Management Limited Director • Technician | 1 Jun 1997←8 Years→31 Mar 2006 | Active | |
