Registered 26. mai 2021, primary activity: Other education n.e.c.. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.
| Year | Revenue | Profit | Equity | Assets | Employees |
|---|
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2026I Q | 18 870 € | 9914 € | 6811 € | 3 |
| 2025 | 35 804 € | 33 830 € | 32 605 € | 5 |
| 2024I-IV Q | 28 325 € | 24 534 € | 20 001 € | 3 |
| 2023 | – |
The Tax & Customs Board has added this entity to the list of NGOs, foundations and religious bodies that qualify for donor income-tax deductions.
2026: 5k € · 2025: 5k € · 2024: 30k €
Mittetulundusühing Enerhack Foundation is connected to 16 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Igor Krupenski (8 companies).
| 2024 | – | 49 386 € | 20k € | 94k € | 4 | 30.06.2025 | |
| 2023 | – | −21 018 € | -29k € | 18k € | 1 | 30.06.2024 | |
| 2022 | – | −8024 € | -8k € | 2k € | 7 | 27.06.2023 | |
| 2021 | – | 50 € | 50 € | 15k € | 10 | 01.06.2022 |
| 19 175 € |
| 20 792 € |
| 1 |
| 2022 | – | 25 185 € | 27 374 € | 1 |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2026 | 19k € | – | – | – |
| State taxes 2026 | 10k € | – | – | – |
| Taxes on workforce 2026 | 7k € | – | – | – |
| Employees 2026 | 3 | – | – | – |
| Revenue 2025 | 10k € | 4k € | 8k € | 14k € |
| State taxes 2025 | 6k € | 7k € | 11k € | 9k € |
| Taxes on workforce 2025 | 6k € | 7k € | 12k € | 7k € |
| Employees 2025 | 4 | 22 | 5 | 5 |
| Revenue 2024 | – | – | – | 28k € |
| State taxes 2024 | 6k € | 2k € | 7k € | 9k € |
| Taxes on workforce 2024 | 7k € | 3k € | 8k € | 3k € |
| Employees 2024 | 1 | 1 | 1 | 3 |
| Revenue 2023 | – | – | – | – |
| State taxes 2023 | – | 4k € | 11k € | 4k € |
| Taxes on workforce 2023 | – | 4k € | 12k € | 5k € |
| Employees 2023 | 1 | 1 | 1 | 1 |
| Revenue 2022 | – | – | – | – |
| State taxes 2022 | 13k € | 12k € | – | 83 € |
| Taxes on workforce 2022 | 14k € | 13k € | – | 73 € |
| Employees 2022 | 13 | – | 1 | 1 |
| Company | Role | Reg. code |
|---|---|---|
| Chess24 OÜ | Founder | 11765065 |
| Eesti Inseneride Liit | Board member | 80007571 |
| Eesti Soojustehnikainseneride Selts | Board memberUltimate beneficial owner | 80135808 |
| EnergyInvest OÜ | Board memberShareholder 100%FounderUltimate beneficial owner | 16057410 |
| EnergyMentor OÜ | Board memberUltimate beneficial owner | 12666738 |
| Enerhack OÜ | Board memberShareholder 100%FounderUltimate beneficial owner | 16237193 |
| HeatConsult OÜ | Founder | 12049862 |
| Sandplay OÜ | FounderUltimate beneficial ownerShareholder 50%Board member | 16226114 |
| Company | Role | Reg. code |
|---|---|---|
| Disly OÜ | FounderShareholder 75%Board memberUltimate beneficial owner | 16625897 |
| Enerhack OÜ | Founder |
| Company | Role | Reg. code |
|---|---|---|
| anehhozina OÜ | FounderUltimate beneficial ownerShareholder 100%Board member | 17192481 |
| TRENN.ON OÜ | Board member |
| 16237193 |
| Lumirai OÜ | Board memberShareholder 100%FounderUltimate beneficial owner | 16820455 |
| Tenentes OÜ | Founder | 16982442 |
| Tricollagen OÜ | Founder | 16107645 |
| Wellness Innovation Hub OÜ | Founder | 16923244 |
| 17443718 |