| Company | Timeline | Status | |
| Esp Water Limited Director • Cfo | 6 Jul 2021←4 Years→Current | Active | |
| Esp Water Retail Limited Director • Cfo | 5 Jul 2021←4 Years→Current | Active | |
| Gas Newco 1 Limited Director • Chief Financial Officer | 31 Mar 2020←4 Years→24 Dec 2024 | Dissolved | |
| Esp Group (Services) Limited Director • Chief Financial Officer | 31 May 2019←6 Years→Current | Active | |
| Esp (Group) Limited Director • Chief Financial Officer | 31 May 2019←6 Years→Current | Active | |
| Esp Meters Limited Director • Chief Financial Officer | 31 May 2019←6 Years→Current | Active | |
| Espug Finance Limited Director • Chief Financial Officer | 21 Jan 2019←6 Years→Current | Active | |
| Zoom Holding Limited Director • Chief Financial Officer | 21 Jan 2019←6 Years→Current | Active | |
| Zoom Gas Pipelines Limited Director • Chief Financial Officer | 21 Jan 2019←6 Years→Current | Active | |
| Zoom Infrastructure Limited Director • Chief Financial Officer | 21 Jan 2019←6 Years→Current | Active | |
