Registered 10. veebruar 2025, primary activity: Business and other management consultancy activities. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.
Altenburg OÜ is connected to 22 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Taavi Madiberk (13 companies).
| Company | Role | Reg. code |
|---|---|---|
| Car Bond OÜ | FounderShareholder 100%Ultimate beneficial owner | 17334490 |
| Frankenburg Technologies OÜ | FounderSupervisory board memberUltimate beneficial ownerShareholder 53% | 16901751 |
| OÜ Pronto Eesti | Board memberUltimate beneficial owner | 11683775 |
| OÜ Skeleton Technologies Group | Board memberUltimate beneficial owner | 12421505 |
| OÜ Stargate Hydrogen | Supervisory board memberUltimate beneficial owner | 16191501 |
| OÜ Stargate Hydrogen Solutions | Ultimate beneficial owner | 16193521 |
| OÜ Venture22 | Board memberUltimate beneficial ownerShareholder 100% | 11556545 |
| OÜ Windmill Ventures | Ultimate beneficial owner | 11717876 |
| RothCap Global OÜ | Board memberUltimate beneficial owner | 17535875 |
| RothCap Investments OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 12709643 |
| Sirbi investeeringud OÜ | Board memberFounderShareholder 80%Ultimate beneficial owner | 16616200 |
| Sovereign Europe Fund OÜ | Board memberFounderShareholder 100%Ultimate beneficial owner | 17439438 |
| Vigvam Studio OÜ | Ultimate beneficial owner | 11922599 |
| Company | Role | Reg. code |
|---|---|---|
| Frankenburg Technologies OÜ | Supervisory board member | 16901751 |
| Marhen OÜ | Board memberFounderUltimate beneficial ownerShareholder 50% |
| 14081344 |
| MarkeDroid OÜ | Supervisory board member | 16720512 |
| Marko Capital OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 14307363 |
| MeetFrank OÜ | Ultimate beneficial owner | 14314682 |
| OÜ Stargate Hydrogen | Board member | 16191501 |
| OÜ Stargate Hydrogen Solutions | Board member | 16193521 |
| Sirbi investeeringud OÜ | Board memberFounderShareholder 20% | 16616200 |
| SPM Advisory OÜ | Board memberFounderShareholder 50%Ultimate beneficial owner | 16187325 |