| Company | Timeline | Status | |
| Tithings Properties Limited Director • Chartered Engineer | 30 Oct 2014←11 Years→Current | Active | |
| Tony Brummell Civil Engineering Limited Director • None | 11 Nov 2010←14 Years→Current | Active | |
H.E.C. (Herts.) Limited Secretary • Civil Engineer | 20 Nov 2007←12 Years→28 Jul 2020 | Dissolved | |
H.E.C. (Herts.) Limited Director • Civil Engineer | 28 Dec 1991←28 Years→28 Jul 2020 | Dissolved | |
| Tithings Management Company Limited Director • Local Authority Employee | 11 Oct 1991←30 Years→4 Jan 2022 | Active | |
