Protosonic OÜ

Active Registry code 16344167 OÜ Tallinn Registered 18 Oct 2021
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Protosonic OÜ is a OÜ based in Tallinn, registry code 16344167, status: active. Main activity: Other engineering-technical activities. According to EMTA, turnover for Q3 2026 was €193 with employees.

Turnover
193 €
State taxes
—
Labour taxes
—
Employees
—

Q3 2026 · data from the Tax and Customs Board (EMTA)

Position in the industry Architectural and engineering activities; technical testing and analysis · EMTAK 71

  • Turnover · Q3 2026 193 €
    industry median 16 250 € · companies in the industry: 2 781
  • Revenue · 2025 0 €
    industry median 23 548 € · companies in the industry: 4 824

Taxes and turnover

Q3 2026 – Q3 2026
Turnover, € Q3 2026: 193 € · industry median 16 250 € · above 2% of the industry
05 00010 00015 00020 000Q3 2026 Company: 193 € Industry median: 16 250 €Q3·2605 00010 00015 00020 000Q3 2026 Company: 193 € Industry median: 16 250 €Q3·26
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 193 — — —

Financials by year

2022 – 2025
Revenue, € 2025: 0 € · industry median 23 548 € · above 5% of the industry
05 00010 00015 00020 00025 0002022 Company: 0 € Industry median: 23 304 €20222023 Company: — Industry median: 22 720 €20232024 Company: 0 € Industry median: 22 098 €20242025 Company: 0 € Industry median: 23 548 €202505 00010 00015 00020 00025 0002022 Company: 0 € Industry median: 23 304 €2023 Company: — Industry median: 22 720 €20232024 Company: 0 € Industry median: 22 098 €2025 Company: 0 € Industry median: 23 548 €2025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: -176 € · −107.1% vs 2024 · industry median 1 536 € · above 27% of the industry
-3 000-2 000-1 00001 0002 0003 0002022 Company: -174 € Industry median: 1 794 €20222023 Company: -2 579 € Industry median: 2 165 €20232024 Company: -85 € Industry median: 1 691 €20242025 Company: -176 € Industry median: 1 536 €2025-3 000-2 000-1 00001 0002 0003 0002022 Company: -174 € Industry median: 1 794 €2023 Company: -2 579 € Industry median: 2 165 €20232024 Company: -85 € Industry median: 1 691 €2025 Company: -176 € Industry median: 1 536 €2025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € 2025: 20 € · −99.2% vs 2024
01 0002 0003 0002022 Company: 2 554 €20222023 Company: 2 554 €20232024 Company: 2 559 €20242025 Company: 20 €202501 0002 0003 0002022 Company: 2 554 €2023 Company: 2 554 €20232024 Company: 2 559 €2025 Company: 20 €2025
Equity, € 2025: -176 € · −106.9% vs 2024
-1 00001 0002 0003 0002022 Company: 2 554 €20222023 Company: 2 554 €20232024 Company: 2 559 €20242025 Company: -176 €2025-1 00001 0002 0003 0002022 Company: 2 554 €2023 Company: 2 554 €20232024 Company: 2 559 €2025 Company: -176 €2025
Employees 2025: 0 · industry median 1 · above 2% of the industry
0.00.20.40.60.81.02022 Company: 0 Industry median: 120222023 Company: 0 Industry median: 120232024 Company: 0 Industry median: 120242025 Company: 0 Industry median: 120250.00.20.40.60.81.02022 Company: 0 Industry median: 12023 Company: 0 Industry median: 120232024 Company: 0 Industry median: 12025 Company: 0 Industry median: 12025
  • Company
  • Industry median

Industry: Architectural and engineering activities; technical testing and analysis (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Financials by year
Year Revenue, € Net profit, € Labour costs, € Assets, € Equity, € Employees
2025 0 -176 0 20 -176 0
2024 0 -85 0 2 559 2 559 0
2023 — -2 579 0 2 554 2 554 0
2022 0 -174 0 2 554 2 554 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

Return on assets (ROA)
-880.0 %
Net profit / assets
Equity ratio
-880.0 %
Equity / assets
Debt ratio
980.0 %
Liabilities / assets
Current ratio
0.10
Current assets / current liabilities

Annual reports

PDFs from e-Äriregister
Annual reports
Year Period Filed Report Documents
2025 1 Jan 2025 – 31 Dec 2025 31 Jul 2026 Company’s own e-Äriregister
2024 1 Jan 2024 – 31 Dec 2024 9 Sep 2025 Company’s own e-Äriregister
2023 1 Jan 2023 – 31 Dec 2023 16 Jul 2024 Company’s own e-Äriregister
2022 18 Oct 2021 – 31 Dec 2022 6 Sep 2023 Company’s own e-Äriregister

Board

Right of representation

Any member of the management board may represent the private limited company in all transactions.

Owners

Beneficial owners

Founders and other persons

Activities (EMTAK)

  • 71129Other engineering-technical activities Main

Rulings 7

All rulings (PDF)
Rulings
Number, date Title Deadline State Document
Ä 50186135 / M1
1 Jul 2026
 Ruling to eliminate deficiencies in the annual report 31 Jul 2026 Deficiencies eliminated
31 Jul 2026
 PDF
Ä 50186135 / 6
29 Jun 2026
 Amendment entry In force
29 Jun 2026
 PDF
Ä 50186135 / 5
23 Oct 2024
 Amendment entry In force
23 Oct 2024
 PDF
Ä 50186135 / 4
1 Sep 2023
 Amendment entry In force
1 Sep 2023
 PDF
Ä 50186135 / 3
31 Jul 2023
 Amendment entry In force
31 Jul 2023
 PDF
Ä 50186135 / 2
1 Feb 2023
 Amendment entry In force
1 Feb 2023
 PDF
Ä 50186135
18 Oct 2021
 First entry In force
18 Oct 2021
 PDF

Sources: e-Äriregister and EMTA. Data updated 31 Oct 2026. Open at the source ↗ · Report an error in the data