| Company | Timeline | Status | |
| Entwistle And Smith LLP Designated LLP Member • Unreported | 6 Dec 2011←13 Years→Current | Active | |
| Entwistle And Smith LLP Designated LLP Member • Unreported | 6 Dec 2011←13 Years→12 Feb 2025 | Active | |
| Sejc Holdings Limited Director • Director | 13 Mar 2009←16 Years→Current | Active | |
| Sejc Holdings Limited Director • Director | 13 Mar 2009←15 Years→12 Feb 2025 | Active | |
Ejc Management Limited Director • Consulting Engineer | 1 Jul 2004←13 Years→11 Jul 2017 | Dissolved | |
| Sejc Consulting Engineers Limited Director • Consulting Engineer | 1 Jul 2004←17 Years→31 May 2022 | Active | |
