# Mr Tassos Karayiannis

## Details

- **Born:** 1/1957
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 2 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Geothermal Energy Advancement Association Ltd](/company/13299021) | significant-influence-or-control-as-trust | 3 May 2023 | 22 Dec 2025 |
| [Nova Engineering Consultants Limited](/company/17181185) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 27 Apr 2026 |  |