| Company | Timeline | Status | |
| Elfmac Holding Limited Director • Company Director | 13 Nov 2020←4 Years→Current | Active | |
| Elf Combustion Limited Director • Unreported | 1 Sep 2004←21 Years→Current | Active | |
| Macfarlane Environmental Limited Director • Sales | 1 May 2003←17 Years→16 Mar 2021 | Dissolved | |
