| Company | Timeline | Status | |
| Certech Limited Director • Engineer | 14 Aug 2024←1 Year 2 Months→Current | Active | |
| Certech Limited Director • Engineer | 14 Aug 2024←6 Months→19 Feb 2025 | Active | |
| Certech Associates Limited Director • Engineer | 2 May 2013←12 Years→Current | Active | |
