Registered 21. mai 2004, primary activity: Combined facilities support activities. Main place of business in Nõmme linnaosa, Tallinn, Harju maakond.
| Year | Revenue | Profit |
|---|
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2026 | – | 137 € | 251 € | 1 |
| 2025 | – | 783 € | 1247 € | 1 |
| 2024 | – | 563 € | 976 € | 1 |
| 2023 | – | 148 € | 529 € | 1 |
ERT Ekspertbüroo OSAÜHING is connected to 10 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Tiina Rüütle (10 companies).
| Equity |
|---|
| Assets |
|---|
| Employees |
|---|
| 2024 | 20 852 € | −189 € | 42k € | 42k € | 1 | 27.11.2025 | |
| 2023 | 20 852 € | 360 € | 38k € | 38k € | 1 | 28.12.2024 | |
| 2022 | 24 283 € | 10 958 € | 42k € | 42k € | 1 | 13.09.2023 | |
| 2021 | 22 193 € | 9538 € | 31k € | 31k € | 1 | 13.09.2023 | |
| 2020 | 34 752 € | 6478 € | 21k € | 21k € | 0 | 13.09.2023 | |
| 2019 | 12 336 € | 1970 € | 15k € | 15k € | 0 | 05.08.2021 |
| 2022I Q | 0 € | 555 € | 896 € | 1 |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2026 | – | – | – | – |
| State taxes 2026 | 137 € | – | – | – |
| Taxes on workforce 2026 | 251 € | – | – | – |
| Employees 2026 | 1 | – | – | – |
| Revenue 2025 | – | – | – | – |
| State taxes 2025 | 190 € | 197 € | 132 € | 264 € |
| Taxes on workforce 2025 | 304 € | 314 € | 210 € | 419 € |
| Employees 2025 | 1 | 1 | 1 | 1 |
| Revenue 2024 | – | – | – | – |
| State taxes 2024 | 18 € | 36 € | 45 € | 464 € |
| Taxes on workforce 2024 | 82 € | 164 € | 145 € | 585 € |
| Employees 2024 | 1 | 1 | 1 | 1 |
| Revenue 2023 | – | – | – | – |
| State taxes 2023 | 67 € | 27 € | 27 € | 27 € |
| Taxes on workforce 2023 | 160 € | 123 € | 123 € | 123 € |
| Employees 2023 | 1 | 1 | 1 | 1 |
| Revenue 2022 | 0 € | – | – | – |
| State taxes 2022 | 111 € | 148 € | 148 € | 148 € |
| Taxes on workforce 2022 | 194 € | 234 € | 234 € | 234 € |
| Employees 2022 | 1 | 1 | 1 | 1 |
| Company | Role | Reg. code |
|---|---|---|
| ERT Konsult Osaühing | FounderUltimate beneficial ownerShareholder 100%Board member | 10646393 |
| ERT Partner Osaühing | FounderUltimate beneficial ownerShareholder 100%Board member | 10794544 |
| ESR Hive OÜ | Shareholder 100% | 11790749 |
| Isolta Baltic OÜ | Founder | 12234281 |
| KM Projekt OÜ | Board memberShareholder 100% | 12049885 |
| Kosmo Proff OÜ | Founder | 11911360 |
| Tallinn, Narva mnt 100 korteriühistu | Board member | 80064994 |
| Tallinn, Pelguranna tn 13 korteriühistu | Board member | 80100715 |
| Tallinn, Puhangu tn 8 korteriühistu | Board member | 80167330 |
| Vana Veranda OÜ | Ultimate beneficial ownerBoard memberFounderShareholder 100% | 14252314 |