| Company | Timeline | Status | |
| LNG Management Solutions Limited Director • Unreported | 20 Dec 2022←2 Years 10 Months→Current | Active | |
| Ja Project Management Limited Director • Director | 15 Sep 2021←1 Year 8 Months→13 May 2023 | Dissolved | |
| Gja Management Consultants Limited Director • Director | 26 Nov 2020←10 Months→28 Sep 2021 | Dissolved | |
| Ja Project Management Limited Director • Director | 12 Jan 2016←3 Years→31 Jan 2019 | Dissolved | |
Grant Johnston Associates Limited Director • Project Manager | 26 Oct 2012←4 Years→15 Sep 2017 | Dissolved | |
