| Company | Timeline | Status | |
| Harcourt Chambers Limited Director • Barrister | 1 Nov 2018←6 Years→15 May 2025 | Active | |
| C. Firbank (Engineers) Limited Director • Barrister | 30 Aug 2009←16 Years→Current | Active | |
| C. Firbank And Son, Limited Director • Barrister | 26 Jul 2005←20 Years→Current | Active | |
