| Company | Timeline | Status | |
| Columbus Energy LLP Designated LLP Member • Unreported | 31 Dec 2020←1 Year 8 Months→31 Aug 2022 | Dissolved | |
| Ce Resources Limited Director • Managing Director | 4 Mar 2019←6 Years→Current | Active | |
| Columbus Energy Partners Limited Director • Consultant | 29 Jan 2019←6 Years→Current | Active | |
| Dunsmore Capital Limited Director • Consultant | 29 Jan 2019←6 Years→1 Jul 2025 | Dissolved | |
| Ce Securities Limited Director • Consultant | 29 Jan 2019←3 Years→24 Jan 2023 | Dissolved | |
| Incubator Ventures Limited Director • Consultant | 29 Jan 2019←9 Months→22 Nov 2019 | Dissolved | |
| Dunsmore Capital Limited Director • Consultant | 29 Jan 2019←6 Years→7 Apr 2025 | Dissolved | |
| Smarter Subsea (Holdings) Limited Director • Director | 17 Oct 2016←9 Years→Current | Active | |
| Incubator Ventures Limited Director • Consultancy | 18 May 2016←2 Years 7 Months→21 Dec 2018 | Dissolved | |
| Columbus Energy Partners Limited Director • Holding Company | 18 May 2016←2 Years 7 Months→21 Dec 2018 | Active | |
