| Company | Timeline | Status | |
| Smithson Marine Renewable Services Limited Director • Civil Engineer | 16 Jan 2024←1 Year 9 Months→Current | Active | |
| Michael Smithson Building Services Limited Director • Director | 11 Aug 2023←12 Months→6 Aug 2024 | Dissolved | |
Mike Smithson Building Services Limited Director • Builder | 22 Nov 2018←7 Months→25 Jun 2019 | Dissolved | |
