| Company | Timeline | Status | |
| Listavia International Consultants Limited Director • Professional Engineer | 27 Jul 2013←2 Years 5 Months→1 Jan 2016 | Active | |
| G3M Solutions Limited Secretary • Unreported | 12 Sep 2005←20 Years→Current | Active | |
| Librii Limited Director • Engineering/director | 10 Jun 1992←33 Years→Current | Active | |
| Librii Limited Secretary • Unreported | 10 Jun 1992←33 Years→Current | Active | |
| Guildford Rapid Transit Limited Director • Professional Engineer | 14 Oct 1991←34 Years→Current | Active | |
| Guildford Rapid Transit Limited Secretary • Unreported | 14 Oct 1991←34 Years→Current | Active | |
| Listavia International Consultants Limited Director • Professional Engineer | 24 Jul 1991←34 Years→Current | Active | |
| Listavia International Consultants Limited Secretary • Unreported | 24 Jul 1991←34 Years→Current | Active | |
