# Dr Cianna Marie O'Brien

## Details

- **Born:** 2/1992
- **Nationality:** Irish
- **Appointments:** 0 (0 active)
- **Control:** 2 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Spiddal Properties Ltd](/company/17249071) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 29 May 2026 |  |
| [Celtic Dental Specialists Ltd](/company/17087518) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 12 Mar 2026 |  |