| Company | Timeline | Status | |
| Guinness VCT Plc Director • Investment Manager | 3 Oct 2022←3 Years→Current | Active | |
| RWNGC 2022 Limited Director • Investment Banker | 2 Sep 2022←3 Years→Current | Active | |
| The Gresham's Foundation Director • Investment Banker | 10 Oct 2019←6 Years→Current | Active | |
| Guinness Asset Management Limited Director • Investment Manager | 10 Jun 2019←6 Years→Current | Active | |
Asander Investment Management Limited Director • Investment Banker | 16 Oct 2012←3 Years→7 Jan 2016 | Dissolved | |
| Liontrust Investment Solutions Limited Director • Investment Banker | 19 Dec 2011←1 Year 10 Months→15 Oct 2013 | Dissolved | |
| The Junius S Morgan Benevolent Fund Director • Director | 22 Feb 2011←14 Years→Current | Active | |
| Church House Investments Limited Director • Unreported | 9 Dec 2009←16 Years→Current | Active | |
| Guinness Capital Management Limited Director • Investment Banker | 23 Nov 2009←16 Years→Current | Active | |
| The European Smaller Companies Trust Plc Director • Company Director | 19 May 2008←13 Years→29 Nov 2021 | Active | |
