| Company | Timeline | Status | |
| Home Team Content Ltd Director • Director  | 27 Jan 2021←6 Months→5 Aug 2021  | Active  | |
| The Eis Association Limited Director • Chief Executive  | 11 Aug 2014←7 Years→20 Jun 2022  | Active  | |
| The Alchemy Circle Ltd Director • Unreported  | 20 Mar 2014←11 Years→Current  | Active  | |
Hembuild Group Limited Director • Chief Executive - Calculus Capital Ltd  | 1 Nov 2010←4 Years→26 Nov 2014  | Dissolved  | |
| Terrain Energy Limited Director • Director  | 5 Oct 2009←10 Years→3 Feb 2020  | Active  | |
| Calculus Media Limited Director • Unreported  | 27 Apr 2009←16 Years→Current  | Active  | |
| Calculus Group Limited Director • Director  | 26 Mar 2008←17 Years→Current  | Active  | |
Neptune-Calculus Income And Growth VCT Plc Director • Director  | 30 Nov 2004←15 Years→7 Dec 2019  | Dissolved  | |
Neptune-Calculus Income And Growth VCT Plc Secretary • Director  | 30 Nov 2004←2 Years→30 Nov 2006  | Dissolved  | |
| Equity Holdings Limited Director • Fund Manager  | 11 Nov 2003←1 Year 3 Months→21 Feb 2005  | Active  | |
