Duo System OÜ
Duo System OÜ is a OÜ based in Saka küla, registry code 16837869, status: active. Main activity: Electrical installation work. According to EMTA, turnover for Q3 2026 was €0 with employees.
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry
- Revenue · 2025 160 €above 14% of companiesindustry median 37 328 € · companies in the industry: 10 311
Taxes and turnover
- Company
- Industry median
Industry: Specialised construction 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 | — | — | — | — |
| Q2 2026 | 350 | — | — | — |
| Q1 2026 | 240 | — | — | — |
| Q4 2025 | 160 | — | — | — |
| Q3 2025 | — | — | — | — |
| Q2 2025 | — | — | — | — |
| Q1 2025 | — | — | — | — |
| Q4 2024 | — | — | — | — |
| Q3 2024 | — | — | — | — |
| Q2 2024 | — | — | — | — |
| Q1 2024 | — | — | — | — |
| Q4 2023 | — | — | — | — |
Financials by year
- Company
- Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
- Company
- Industry median
Industry: Specialised construction 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 | 160 | -375 | 0 | 2 515 | 2 515 | 0 |
| 2024 | 0 | 390 | 0 | 390 | 390 | 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 | 18 Jun 2026 | Company’s own | e-Äriregister |
| 2024 | 11 Oct 2023 – 31 Dec 2024 | 16 Jun 2025 | Company’s own | e-Äriregister |
Board
- Jarko KoolBoard member · since 11 Oct 2023
Right of representation
Any member of the management board may represent the private limited company in all transactions.
Owners
- Jarko KoolNatural person · 0 €
Beneficial owners
- Jarko KoolMember of a senior management body (management or supervisory board) · since 11 Oct 2023
Founders and other persons
- Jarko KoolFounder · 0 € · 10 Oct 2023
Activities (EMTAK)
- 43211Electrical installation work Main
Rulings
All rulings (PDF)| Number, date | Title | Deadline | State | Document |
|---|---|---|---|---|
| Ä 50239229 / 4 26 Jun 2026 |
Entry refused: deficiencies not eliminated | In force 27 Jul 2026 |
||
| Ä 50239229 / M1 8 Jun 2026 |
Ruling to eliminate deficiencies | 24 Jun 2026 | In force 26 Jun 2026 |
|
| Ä 50239229 / 3 8 Jun 2026 |
Amendment entry | In force 8 Jun 2026 |
||
| Ä 50239229 / 2 29 Nov 2025 |
Amendment entry | In force 29 Nov 2025 |
||
| Ä 50239229 11 Oct 2023 |
First entry | In force 11 Oct 2023 |
Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data