| Company | Timeline | Status | |
| G.R. Smith (Thriplow) Limited Director • Unreported | 22 Aug 2011←14 Years→Current | Active | |
| Russell Smith Farms Limited Director • Surveyor | 22 Aug 2011←11 Years→28 Mar 2023 | Active | |
| Smithsonhill Limited Director • Unreported | 28 Jan 2010←15 Years→Current | Active | |
