Registered 28. oktoober 2019, primary activity: Computer programming activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.
| Year | Revenue | Profit | Equity | Assets | Employees | ||
|---|---|---|---|---|---|---|---|
| 2025 | – | 0 € | 0 € | 0 € | 0 |
| Year | Revenue (a) | State taxes | Taxes on workforce | Employees (Q4) |
|---|---|---|---|---|
| 2025 | — | 179 € | 194 € | – |
| 2024 | — | – | – | 1 |
| 2023 | — | 379 € | 411 € | 1 |
| 2022 | — | – | – |
MTÜ Mastery is connected to 20 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Kristo Siig (16 companies).
| 2024 | – | −459 € | 0 € | 0 € | 0 | 12.06.2025 |
| 2023 | – | −804 € | 459 € | 459 € | 0 | 28.06.2024 |
| 2022 | – | −8001 € | 1k € | 1k € | 0 | 20.05.2023 |
| 2021 | – | 6948 € | 9k € | 10k € | 0 | 23.06.2022 |
| 2020 | – | 2316 € | 2k € | 5k € | 0 | 20.05.2021 |
| 1 |
| Year | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Revenue 2025 | – | – | – | – |
| State taxes 2025 | 179 € | – | – | – |
| Taxes on workforce 2025 | 194 € | – | – | – |
| Employees 2025 | – | – | – | – |
| Revenue 2024 | – | – | – | – |
| State taxes 2024 | – | – | – | – |
| Taxes on workforce 2024 | – | – | – | – |
| Employees 2024 | – | – | – | 1 |
| Revenue 2023 | – | – | – | – |
| State taxes 2023 | – | – | – | 379 € |
| Taxes on workforce 2023 | – | – | – | 411 € |
| Employees 2023 | – | – | 1 | – |
| Revenue 2022 | – | – | – | – |
| State taxes 2022 | – | – | – | – |
| Taxes on workforce 2022 | – | – | – | – |
| Employees 2022 | 1 | 1 | 1 | – |
| Company | Role | Reg. code |
|---|---|---|
| Aktsiaselts Mainor | Supervisory board member | 10099531 |
| Aktsiaselts MAIRELLO | Supervisory board member | 10326174 |
| Aktsiaselts Maskello | Supervisory board member | 10099519 |
| AS Eesti Ettevõtluskõrgkool Mainor | Supervisory board member | 10588537 |
| Guide2Industry OÜ | Board memberShareholder 100%FounderUltimate beneficial owner | 12854049 |
| Mainor Ülemiste AS | Supervisory board member | 10348595 |
| MTÜ Leesikad | Board memberFounderUltimate beneficial owner | 80394042 |
| MTÜ Videoõps | Board memberFounderUltimate beneficial owner | 80588390 |
| Osaühing Kristosten | Shareholder 7% | 10475856 |
| Osaühing MAIRENESTAL | Supervisory board member | 11150843 |
| osaühing Stinräp | Shareholder 50%Board memberUltimate beneficial owner | 10429135 |
| OÜ Videoharidus | FounderUltimate beneficial ownerShareholder 33%Board member | 14440323 |
| Tallinn, L. Koidula tn 16 korteriühistu | Board member | 80509083 |
| TÜC Majad AS | Supervisory board member | 11978111 |
| Öpiku Majad OÜ | Supervisory board member | 12804904 |
| Ülemiste City Residences OÜ | Supervisory board member | 14578228 |
| Company | Role | Reg. code |
|---|---|---|
| Kingmaker OÜ | Board memberShareholder 50%Ultimate beneficial owner | 16328151 |
| OÜ Oid | Ultimate beneficial ownerShareholder 100% |
| Company | Role | Reg. code |
|---|---|---|
| Segane Park MTÜ | Founder | 80595036 |
| Tobelooming OÜ | Board memberFounderUltimate beneficial ownerShareholder 100% |
| 12908868 |
| 17526545 |