| Company | Timeline | Status | |
| Columbus Energy Partners Limited Director • Company Director | 7 Apr 2025←6 Months→Current | Active | |
| Dunsmore Capital Limited Director • Company Director | 7 Apr 2025←2 Months→1 Jul 2025 | Dissolved | |
| Columbus Energy LLP Designated LLP Member • Unreported | 14 Nov 2022←6 Months→30 May 2023 | Dissolved | |
| Columbus Foundation Limited Director • Company Director | 11 May 2020←1 Year 8 Months→25 Jan 2022 | Dissolved | |
| Columbus Ventures Limited Director • Company Director | 11 May 2020←2 Years 3 Months→16 Aug 2022 | Dissolved | |
| Columbus Innovations Limited Director • Director | 20 Oct 2016←9 Years→Current | Active | |
