Registered 15. mai 2026, primary activity: Research and experimental development on natural sciences and engineering. Main place of business in Põhja-Tallinna linnaosa, Tallinn, Harju maakond.
Q-Defence OÜ is connected to 13 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Andres Männart (13 companies).
| Company | Role | Reg. code |
|---|---|---|
| Mittetulundusühing Maarja Gild | Ultimate beneficial ownerBoard memberFounder | 80346563 |
| Mittetulundusühing Maarjamaa Palveränd | Board member | 80307391 |
| MTÜ Abruka kabel | Ultimate beneficial ownerBoard member | 80621779 |
| Q-Defensify OÜ | FounderUltimate beneficial owner | 17126225 |
| Q-Responsify OÜ | FounderBoard member | 17114133 |
| QuantumOps OÜ | Shareholder 33%FounderUltimate beneficial ownerBoard member | 17280647 |
| QuickShield OÜ | FounderUltimate beneficial ownerBoard member | 17182034 |
| Rattamaja Osaühing | Ultimate beneficial owner | 16469609 |
| Rattanagi OÜ | Shareholder 33%Ultimate beneficial ownerBoard member | 12360502 |
| Sihtasutus Kolleegium | Supervisory board memberUltimate beneficial owner | 90015324 |
| Steenwerter OÜ | FounderUltimate beneficial ownerShareholder 100%Board member | 12451860 |
| Z-Market OÜ | FounderUltimate beneficial ownerShareholder 50%Board member | 14980284 |
| Tallinn, Niine tn 13 korteriühistu | Board member | 80223955 |