| Company | Timeline | Status | |
Tumba Global Miner (London) Ltd Director • Director | 16 Jul 2018←8 Months→26 Mar 2019 | Dissolved | |
| DWS (Global) Ltd Director • Director | 26 Apr 2018←5 Years→3 Oct 2023 | Dissolved | |
Campbell Gayle Global Investments (London) Ltd Director • Director | 4 Mar 2017←6 Months→19 Sep 2017 | Dissolved | |
| Campbell Consulting (London) Ltd Director • Director | 21 Oct 2014←10 Years→4 Feb 2025 | Dissolved | |
Global Commodities Solutions (London) Ltd Director • Director | 15 Oct 2014←9 Months→21 Jul 2015 | Dissolved | |
| Drinking Water Solutions (London) Limited Director • Unreported | 19 Oct 2004←21 Years→Current | Active | |
