| Company | Timeline | Status | |
| Royston First Bid Company Limited Director • Self-employed Management Consultant  | 1 Apr 2009←1 Year 5 Months→15 Sep 2010  | Active  | |
| Cubic Consulting Limited Director • Consultant  | 31 Jan 2006←16 Years→12 Apr 2022  | Dissolved  | |
| Tap Biosystems Group Limited Director • Manager  | 6 Apr 2002←3 Years→20 Jul 2005  | Active  | |
| The Automation Partnership (Cambridge) Limited Director • Manager  | 11 Jan 2000←5 Years→20 Jul 2005  | Active  | |
