| Company | Timeline | Status | |
| Black Bourn Vineyards Limited Director • Unreported | 30 Sep 2021←4 Years→Current | Active | |
| Proteus Land Limited Director • Unreported | 14 Sep 2018←7 Years→Current | Active | |
| Proteus Investments Limited Director • Unreported | 3 Oct 2012←13 Years→Current | Active | |
| Proteus Engineering Limited Director • Unreported | 6 Jan 2008←17 Years→Current | Active | |
| Proteus Engineering Limited Secretary • Director | 1 Jan 2007←18 Years→Current | Active | |
| Proteus Engineering Limited Secretary • Sales Manager | 29 May 1998←8 Years→1 Oct 2006 | Active | |
| Proteus Equipment Limited Secretary • Managing Director | 30 Jun 1991←34 Years→Current | Active | |
| Proteus Equipment Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
