| Company | Timeline | Status | |
| D J Sykes Consulting Limited Director • Director | 12 Aug 2014←6 Years→26 Jan 2021 | Dissolved | |
| PRMA Holdings Limited Director • Economist | 8 Sep 2008←14 Years→13 Jul 2023 | Active | |
| PRMA Consulting Limited Director • Economist | 1 Aug 2006←16 Years→13 Jul 2023 | Active | |
