| Company | Timeline | Status | |
| Xeiad Limited Director • Managing Director | 1 Nov 2010←3 Years→5 Dec 2013 | Active | |
| Marenga Consulting Ltd Director • Director | 9 Aug 2010←15 Years→4 Nov 2025 | Dissolved | |
| Robert West (Holdings) Limited Director • Engineer | 1 Oct 2009←11 Months→22 Sep 2010 | Active | |
| Robert West Consulting Limited Director • Engineer | 1 Oct 2009←11 Months→22 Sep 2010 | Active | |
| Tetra Tech Limited Director • Director | 17 Jul 2006←2 Years 8 Months→23 Mar 2009 | Active | |
