| Company | Timeline | Status | |
| Optima Energy Systems (Europe) Ltd Director • Director | 26 Feb 2014←6 Years→2 Dec 2020 | Dissolved | |
| Optima Energy Management Holdings Ltd Director • None | 17 May 2012←8 Years→2 Dec 2020 | Insolvency | |
| Spark Energy Systems Ltd Director • None | 17 May 2012←8 Years→2 Dec 2020 | Liquidation | |
