| Company | Timeline | Status | |
| Justaroo Limited Director • Teacher | 31 Dec 2018←7 Years→Current | Active | |
| The Mathematical Association Director • Teacher | 4 Apr 2018←1 Year 3 Months→7 Jul 2019 | Active | |
| Justmaths Consulting Limited Director • Teacher | 17 Nov 2014←11 Years→Current | Active | |
Schoolscanner Limited Director • Director | 4 Jun 2014←6 Years→6 Oct 2020 | Dissolved | |
| Justmaths Limited Director • School Teacher | 15 Nov 2012←13 Years→Current | Active | |
