| Company | Timeline | Status | |
| The Tetrad Group Ltd Director • Managing Director | 14 Dec 2021←1 Year 6 Months→13 Jun 2023 | Dissolved | |
| Tetrad Services Ltd Director • Unreported | 11 Jun 2020←5 Years→11 Nov 2025 | Dissolved | |
| Tetrad Mechanical Ltd Director • Unreported | 3 Apr 2018←7 Years→8 Nov 2025 | Dissolved | |
