| Company | Timeline | Status | |
| Guinness Ventures Limited Director • Investment Manager | 1 Jan 2024←1 Year 11 Months→Current | Active | |
| Tellworth British Recovery & Growth Trust Plc Director • Investment Banker | 14 Aug 2020←1 Year 9 Months→24 May 2022 | Dissolved | |
| CF Trustees Limited Director • Investment Manager | 15 Jun 2018←7 Years→Current | Active | |
| Guinness Oil & Gas Exploration Trust Plc Director • Director | 8 Feb 2017←4 Years→27 Jul 2021 | Dissolved | |
| Parmenion Capital Partners LLP Designated LLP Member • Unreported | 24 Jan 2008←7 Years→11 Jan 2016 | Active | |
