Registered 26. november 2025, primary activity: Construction of residential and non-residential buildings. Main place of business in Nõmme linnaosa, Tallinn, Harju maakond.
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2026 | — | – | – | – |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2026 | – |
Kastelli Ehitus OÜ is connected to 14 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Tiit Loo (8 companies).
| – |
| – |
| – |
| State taxes 2026 | – | – | – | – |
| Taxes on workforce 2026 | – | – | – | – |
| Employees 2026 | – | – | – | – |
| Company | Role | Reg. code |
|---|---|---|
| AdHance Meedia OÜ | Founder | 17108167 |
| Concept Production OÜ | Board memberUltimate beneficial ownerShareholder 100% | 11931397 |
| Creative Concept OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 14759295 |
| Mittetulundusühing Friendship Cup | Board memberFounderUltimate beneficial owner | 80619357 |
| Osaühing CarConcept | Ultimate beneficial ownerShareholder 100%Board memberFounder | 16553184 |
| Osaühing Cnpt Development | Ultimate beneficial ownerShareholder 100%Board memberFounder | 14781320 |
| Square Holding OÜ | Board memberFounderShareholder 33% | 14945690 |
| The Concept OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 14244837 |
| Company | Role | Reg. code |
|---|---|---|
| Block Invest OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 16352050 |
| Eesti Haldus Kodu OÜ | Board member |
| 16233506 |
| EESTI HALDUS OÜ | Board memberUltimate beneficial owner | 11714955 |
| Eesti Kinnisvarahoolduse OÜ | Board member | 12124799 |
| Kinnisvara hooldusteenused OÜ | Board member | 12871869 |
| Turunduskommunikatsioon TÜ | General partnerShareholderUltimate beneficial owner | 14931446 |