| Company | Timeline | Status | |
| Badger BC Investments Limited Director • Company Director | 1 Mar 2017←1 Year 11 Months→25 Jan 2019 | Active | |
| The Mudlarks Community Director • It Consultant | 26 Nov 2014←4 Years→22 Nov 2019 | Active | |
| David Holliday Consultancy Limited Director • Director | 26 Jun 2013←9 Years→27 Dec 2022 | Dissolved | |
| The Broxbourne School Director • Senior Technical Manager | 6 Apr 2011←14 Years→Current | Active | |
