Siena Venture Partners OÜ
Siena Venture Partners OÜ is a OÜ based in Tallinn, registry code 16076815, status: active. Main activity: Fund management activities. According to EMTA, turnover for Q3 2026 was €1 253 with 2 employees.
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry
- Turnover · Q3 2026 1 253 €above 13% of companiesindustry median 13 814 € · companies in the industry: 339
- Labour taxes per employee 9 735 €above 90% of companiesindustry median 2 338 € · companies in the industry: 272
- Revenue · 2025 1.1 mn €above 98% of companiesindustry median 3 200 € · companies in the industry: 1 215
- Net profit margin · 2025 57.7 %above 68% of companiesindustry median 23.7 % · companies in the industry: 667
Taxes and turnover
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
| Quarter | Turnover, € | State taxes, € | Labour taxes, € | Employees |
|---|---|---|---|---|
| Q3 2026 | 1 253 | 173 504 | 19 470 | 2 |
| Q2 2026 | 6 610 | 42 321 | 15 477 | 2 |
| Q1 2026 | 5 381 | 33 907 | 16 713 | 2 |
| Q4 2025 | 4 978 | 48 897 | 13 418 | 2 |
| Q3 2025 | — | 97 607 | 4 163 | 2 |
| Q2 2025 | — | 26 980 | 3 680 | 2 |
| Q1 2025 | — | 4 208 | 4 217 | 2 |
| Q4 2024 | — | 10 904 | 2 509 | 2 |
| Q3 2024 | — | 755 | 379 | 2 |
| Q2 2024 | — | 10 394 | 159 | — |
| Q1 2024 | — | 1 130 | 363 | — |
| Q4 2023 | — | 8 | — | — |
| Q2 2023 | — | 310 | 11 | — |
| Q1 2022 | — | 89 | — | — |
Q3 2026 · calculated from EMTA data
Financials by year
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Activities auxiliary to financial services and insurance activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
| Year | Revenue, € | Net profit, € | Labour costs, € | Assets, € | Equity, € | Employees |
|---|---|---|---|---|---|---|
| 2025 | 1 130 130 | 652 069 | 77 335 | 177 233 | 131 618 | 2 |
| 2024 | — | 46 471 | 13 917 | 158 349 | 150 725 | 1 |
| 2023 | — | 30 740 | 0 | 179 384 | 178 254 | 0 |
| 2022 | — | 65 071 | 0 | 147 824 | 147 514 | 0 |
| 2021 | — | 79 443 | 0 | 84 574 | 82 443 | 0 |
Figures from the company’s own (non-consolidated) balance sheet and income statement. A loss is shown with a minus sign.
Financial ratios for 2025
Annual reports
| Year | Period | Filed | Report | Documents |
|---|---|---|---|---|
| 2025 | 1 Jan 2025 – 31 Dec 2025 | 29 Jun 2026 | Company’s own | e-Äriregister |
| 2024 | 1 Jan 2024 – 31 Dec 2024 | 31 May 2025 | Company’s own | e-Äriregister |
| 2023 | 1 Jan 2023 – 31 Dec 2023 | 20 Jun 2024 | Company’s own | e-Äriregister |
| 2022 | 1 Jan 2022 – 31 Dec 2022 | 29 Jun 2023 | Company’s own | e-Äriregister |
| 2021 | 15 Oct 2020 – 31 Dec 2021 | 7 Jun 2022 | Company’s own | e-Äriregister |
Board
- Lauri IsotammBoard member · since 15 Oct 2020
- Rando RannusBoard member · since 15 Oct 2020
- Rain TammBoard member · since 9 Dec 2022
Right of representation
Any member of the management board may represent the private limited company in all transactions.
Owners
- Heisenberg Ehrmantraut OÜLegal person · 12791691 · 9 375 €
- Luarvik Luarvik OÜLegal person · 17218950 · 9 375 €
- Panta Rhei Ventures OÜLegal person · 12445397 · 6 250 €
Beneficial owners
- Lauri IsotammIndirect ownership · since 15 Oct 2020
- Rain TammIndirect ownership · since 15 Oct 2020
- Rando RannusIndirect ownership · since 15 Oct 2020
Founders and other persons
- Panta Rhei Ventures OÜFounder · 1 000 € · 15 Oct 2020
- Siena Holding OÜFounder · 2 000 € · 15 Oct 2020
Related companies
Activities (EMTAK)
- 66301Fund management activities Main
Rulings
All rulings (PDF)| Number, date | Title | Deadline | State | Document |
|---|---|---|---|---|
| Ä 50157482 / 7 10 Jun 2026 |
Amendment entry | In force 10 Jun 2026 |
||
| Ä 50157482 / 6 10 Nov 2025 |
Amendment entry | In force 10 Nov 2025 |
||
| Ä 50157482 / 5 27 Aug 2024 |
Amendment entry | In force 27 Aug 2024 |
||
| Ä 50157482 / 4 1 Sep 2023 |
Amendment entry | In force 1 Sep 2023 |
||
| Ä 50157482 / 3 9 Dec 2022 |
Amendment entry | In force 9 Dec 2022 |
||
| Ä 50157482 / M1 6 Dec 2022 |
Ruling to eliminate deficiencies | 26 Dec 2022 | Deficiencies eliminated 9 Dec 2022 |
|
| Ä 50157482 / 2 22 Jul 2021 |
Amendment entry | In force 22 Jul 2021 |
||
| Ä 50157482 15 Oct 2020 |
First entry | In force 15 Oct 2020 |
Sources: e-Äriregister and EMTA. Data updated 2 Nov 2026. Open at the source ↗ · Report an error in the data