| Company | Timeline | Status | |
| Safety-Critical Systems Club C.I.C Director • Safety Engineer | 16 Dec 2020←4 Years→Current | Active | |
| Software Safety Limited Director • Director | 15 Jan 2015←10 Years→Current | Active | |
| Aeronautique Associates Limited Director • Consultant | 21 Feb 2012←13 Years→Current | Active | |
Verocel Limited Director • Managing Director | 14 Oct 2010←4 Years→31 Dec 2014 | Dissolved | |
