| Company | Timeline | Status | |
| Truth In Science Director • Company Director | 28 Feb 2007←18 Years→Current | Active | |
| Hystar Investments Limited Director • Chartered Engineer | 22 May 1992←33 Years→Current | Active | |
| Hystar International Limited Director • Chartered Engineer | 20 Dec 1991←33 Years→Current | Active | |
| Hystar Construction Limited Director • Chartered Engineer | 20 Dec 1991←33 Years→Current | Active | |
| Incorporated Trinitarian Bible Society Trust(The) Director • Chartered Civil Engineer | 3 Jul 1991←10 Years→8 Jun 2002 | Active | |
| Gospel Standard Trust(The) Director • Consulting Engineer & Director | 30 Jun 1991←34 Years→Current | Active | |
