| Company | Timeline | Status | |
| North House Residents Limited Secretary • Programmer | 28 Aug 2006←7 Years→7 Jan 2014 | Active | |
| North House Residents Limited Secretary • Programmer | 26 Jan 2000←2 Years 3 Months→12 May 2002 | Active | |
| North House Residents Limited Director • Programmer | 1 Oct 1997←20 Years→1 Mar 2018 | Active | |
