| Company | Timeline | Status | |
| Calculus Media Limited Director • Chairman | 4 Jul 2024←1 Year 4 Months→Current | Active | |
| Eteam Human Capital Group Limited Director • Non Executive Director | 28 Apr 2011←5 Years→6 Jan 2017 | Active | |
Brigantes Energy Limited Director • Chairman Calculus Capital | 31 Mar 2011←4 Years→20 Jul 2015 | Dissolved | |
| Tetra Energy UK Onshore Ltd Director • Chairman Calculus Capital | 31 Mar 2011←4 Years→20 Jul 2015 | Active | |
