Registered 26. jaanuar 2026, primary activity: Architectural activities. Main place of business in Viljandi linn, Viljandi maakond.
Arhitekt Siim Kaljumäe OÜ is connected to 2 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Siim Kaljumäe (2 companies).
| Company | Role | Reg. code |
|---|---|---|
| THN Ehitusprojekt OÜ | Ultimate beneficial ownerShareholder 50% | 12522620 |
| Viljandi linn, A. Maramaa pst 14a korteriühistu | Board member | 80459942 |