Registered 7. juuli 2017, primary activity: Constructional engineering-technical designing and consulting. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.
| Year | Revenue | Profit |
|---|
O3 Energy OÜ is connected to 10 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Mats Viisileht (3 companies).
| Equity |
|---|
| Assets |
|---|
| Employees |
|---|
| 2024 | 4539 € | −8130 € | 2k € | 2k € | 1 | 30.06.2025 | |
| 2023 | 87 276 € | −4991 € | 11k € | 25k € | 4 | 16.04.2024 | |
| 2022 | 92 614 € | 1034 € | 16k € | 29k € | 4 | 29.06.2023 | |
| 2021 | 66 601 € | −2191 € | 14k € | 28k € | 3 | 05.05.2022 | |
| 2020 | 71 686 € | 11 554 € | 17k € | 27k € | 3 | 11.06.2021 | |
| 2019 | 72 770 € | −6010 € | 5k € | 16k € | 4 | 17.04.2020 |
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2025I Q | 0 € | 0 € | 0 € | – |
| 2024 | 13 557 € | 10 994 € | 8879 € | – |
| 2023 | 86 570 € | 52 493 € | 38 086 € | 2 |
| 2022 | 91 694 € | 49 644 € | 34 670 € | 5 |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2025 | 0 € | – | – | – |
| State taxes 2025 | 0 € | – | – | – |
| Taxes on workforce 2025 | 0 € | – | – | – |
| Employees 2025 | – | – | – | – |
| Revenue 2024 | 14k € | 0 € | 0 € | 0 € |
| State taxes 2024 | 11k € | – | – | – |
| Taxes on workforce 2024 | 9k € | – | – | – |
| Employees 2024 | – | – | – | – |
| Revenue 2023 | 22k € | 14k € | 25k € | 25k € |
| State taxes 2023 | 13k € | 11k € | 14k € | 15k € |
| Taxes on workforce 2023 | 9k € | 9k € | 10k € | 10k € |
| Employees 2023 | 4 | 3 | 3 | 2 |
| Revenue 2022 | 22k € | 34k € | 12k € | 24k € |
| State taxes 2022 | 11k € | 19k € | 10k € | 11k € |
| Taxes on workforce 2022 | 7k € | 13k € | 8k € | 6k € |
| Employees 2022 | 5 | 5 | 5 | 5 |
| Company | Role | Reg. code |
|---|---|---|
| MAVI OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% | 16925384 |
| O3 Inseneribüroo OÜ | Board memberUltimate beneficial owner | 12321790 |
| O3 Technology OÜ | Board member | 14062364 |
| Company | Role | Reg. code |
|---|---|---|
| Hiimek OÜ | FounderUltimate beneficial ownerShareholder 100%Board member | 16232043 |
| O3 Inseneribüroo OÜ | Board member |
| Company | Role | Reg. code |
|---|---|---|
| Hooneühistu Jahu 8a | Board member | 80075800 |
| O3 Technology OÜ | FounderUltimate beneficial ownerShareholder 25% |
| Company | Role | Reg. code |
|---|---|---|
| O3 Inseneribüroo OÜ | Founder | 12321790 |
| O3 Technology OÜ | FounderUltimate beneficial ownerShareholder 25% |
| 12321790 |
| O3 Technology OÜ | Board member | 14062364 |