| Company | Timeline | Status | |
| SDC Test Ltd Director • Consultant | 14 Aug 2006←19 Years→Current | Active | |
| SDC Test Ltd Director • Consultant | 14 Aug 2006←18 Years→9 Jun 2025 | Active | |
| SDC Systems Limited Director • Consultant | 28 Aug 2002←23 Years→Current | Active | |
| SDC Systems Limited Director • Consultant | 28 Aug 2002←22 Years→9 Jun 2025 | Active | |
