| Company | Timeline | Status | |
| Cer Telecom Limited Secretary • Sales Director | 3 Dec 2007←10 Years→2 Nov 2018 | Active | |
| Cer Telecom Limited Director • Sales Director | 3 Dec 2007←10 Years→2 Nov 2018 | Active | |
| Cer Communications Limited Director • Consultant | 19 Jan 2006←19 Years→Current | Active | |
| Cer Communications Limited Director • Consultant | 19 Jan 2006←19 Years→17 Jan 2025 | Active | |
