Registered 8. detsember 2025, primary activity: Research and experimental development on natural sciences and engineering. Main place of business in Mustamäe linnaosa, Tallinn, Harju maakond.
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2026 | — | – | – | 4 |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2026 | – |
Mittetulundusühing HydroCharge is connected to 2 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Mihkel Reinula (2 companies).
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| State taxes 2026 | – | – | – | – |
| Taxes on workforce 2026 | – | – | – | – |
| Employees 2026 | 4 | – | – | – |
| Company | Role | Reg. code |
|---|---|---|
| Linera OÜ | Ultimate beneficial ownerBoard memberFounderShareholder 50% | 17496838 |
| MTÜ TalTechi Vesinikuorganisatsioon | Ultimate beneficial ownerFounder | 80610770 |