Study K&A OÜ

Active Registry code 14342224 OÜ Tallinn Registered 29 Sep 2017
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Study K&A OÜ is a OÜ based in Tallinn, registry code 14342224, status: active. Main activity: Research and experimental development on natural sciences and engineering. Its annual report for 2025 shows revenue of €14 970 and 0 employees.

Turnover
—
State taxes
—
Labour taxes
—
Employees
5
±0 vs Q2 2026

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

Position in the industry Scientific research and development · EMTAK 72

  • Revenue · 2025 14 970 €
    industry median 0 € · companies in the industry: 1 073
  • Net profit margin · 2025 43.4 %
    industry median 13.5 % · companies in the industry: 597

Taxes and turnover

Q4 2023 – Q3 2026
Labour taxes per employee, € Q2 2026: 57 € · industry median 1 893 € · above 2% of the industry
05001 0001 5002 0002 500Q4 2023 Company: — Industry median: 1 866 €Q4·23Q1 2024 Company: — Industry median: 2 040 €Q2 2024 Company: — Industry median: 2 008 €Q2·24Q3 2024 Company: — Industry median: 1 961 €Q4 2024 Company: 377 € Industry median: 1 673 €Q4·24Q1 2025 Company: — Industry median: 1 781 €Q2 2025 Company: — Industry median: 1 781 €Q2·25Q3 2025 Company: — Industry median: 2 044 €Q4 2025 Company: 392 € Industry median: 2 069 €Q4·25Q1 2026 Company: 0 € Industry median: 2 039 €Q2 2026 Company: 57 € Industry median: 1 893 €Q2·26Q3 2026 Company: — Industry median: 2 218 €Q3·2605001 0001 5002 0002 500Q4 2024 Company: 377 € Industry median: 1 673 €Q1 2025 Company: — Industry median: 1 781 €Q1·25Q2 2025 Company: — Industry median: 1 781 €Q3 2025 Company: — Industry median: 2 044 €Q3·25Q4 2025 Company: 392 € Industry median: 2 069 €Q1 2026 Company: 0 € Industry median: 2 039 €Q1·26Q2 2026 Company: 57 € Industry median: 1 893 €Q3 2026 Company: — Industry median: 2 218 €Q3·26
  • Company
  • Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Employees Q3 2026: 5 · +0.0% vs Q2 2026
012345Q4 2023 Company: 2Q4·23Q1 2024 Company: 2Q2 2024 Company: 2Q2·24Q3 2024 Company: 2Q4 2024 Company: 2Q4·24Q1 2025 Company: 2Q2 2025 Company: 2Q2·25Q3 2025 Company: 4Q4 2025 Company: 4Q4·25Q1 2026 Company: 5Q2 2026 Company: 5Q2·26Q3 2026 Company: 5Q3·26012345Q4 2024 Company: 2Q1 2025 Company: 2Q1·25Q2 2025 Company: 2Q3 2025 Company: 4Q3·25Q4 2025 Company: 4Q1 2026 Company: 5Q1·26Q2 2026 Company: 5Q3 2026 Company: 5Q3·26
State taxes, € Q2 2026: 1 657 € · +30.6% vs Q1 2026
05001 0001 5002 000Q4 2023 Company: —Q4·23Q1 2024 Company: —Q2 2024 Company: —Q2·24Q3 2024 Company: —Q4 2024 Company: 1 394 €Q4·24Q1 2025 Company: —Q2 2025 Company: —Q2·25Q3 2025 Company: —Q4 2025 Company: 1 457 €Q4·25Q1 2026 Company: 1 269 €Q2 2026 Company: 1 657 €Q2·26Q3 2026 Company: —Q3·2605001 0001 5002 000Q4 2024 Company: 1 394 €Q1 2025 Company: —Q1·25Q2 2025 Company: —Q3 2025 Company: —Q3·25Q4 2025 Company: 1 457 €Q1 2026 Company: 1 269 €Q1·26Q2 2026 Company: 1 657 €Q3 2026 Company: —Q3·26
Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 — — — 5
Q2 2026 — 1 657 285 5
Q1 2026 — 1 269 — 5
Q4 2025 — 1 457 1 566 4
Q3 2025 — — — 4
Q2 2025 — — — 2
Q1 2025 — — — 2
Q4 2024 — 1 394 753 2
Q3 2024 — — — 2
Q2 2024 — — — 2
Q1 2024 — — — 2
Q4 2023 — — — 2
Q3 2023 — 850 816 2
Q2 2023 — — — 2
Q1 2023 — — — 3
Q4 2022 — — — 3
Q3 2022 — 716 137 3
Q2 2022 — 770 835 3
Q1 2022 — — — 9

Financials by year

2018 – 2025
Revenue, € 2025: 14 970 € · +177.4% vs 2024 · industry median 0 € · above 75% of the industry
05 00010 00015 00020 0002018 Company: — Industry median: —20182019 Company: 5 920 € Industry median: 0 €20192020 Company: 3 013 € Industry median: 150 €20202021 Company: 16 210 € Industry median: 0 €20212022 Company: 6 024 € Industry median: 103 €20222023 Company: 10 409 € Industry median: 76 €20232024 Company: 5 396 € Industry median: 0 €20242025 Company: 14 970 € Industry median: 0 €202505 00010 00015 00020 0002018 Company: — Industry median: —2019 Company: 5 920 € Industry median: 0 €20192020 Company: 3 013 € Industry median: 150 €2021 Company: 16 210 € Industry median: 0 €20212022 Company: 6 024 € Industry median: 103 €2023 Company: 10 409 € Industry median: 76 €20232024 Company: 5 396 € Industry median: 0 €2025 Company: 14 970 € Industry median: 0 €2025
  • Company
  • Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: 6 494 € · +158.3% vs 2024 · industry median 0 € · above 77% of the industry
-15 000-10 000-5 00005 00010 00015 0002018 Company: — Industry median: —20182019 Company: -4 853 € Industry median: 3 €20192020 Company: 252 € Industry median: 28 €20202021 Company: 13 050 € Industry median: 1 €20212022 Company: 910 € Industry median: 0 €20222023 Company: 6 394 € Industry median: 0 €20232024 Company: -11 142 € Industry median: 0 €20242025 Company: 6 494 € Industry median: 0 €2025-15 000-10 000-5 00005 00010 00015 0002018 Company: — Industry median: —2019 Company: -4 853 € Industry median: 3 €20192020 Company: 252 € Industry median: 28 €2021 Company: 13 050 € Industry median: 1 €20212022 Company: 910 € Industry median: 0 €2023 Company: 6 394 € Industry median: 0 €20232024 Company: -11 142 € Industry median: 0 €2025 Company: 6 494 € Industry median: 0 €2025
  • Company
  • Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: 43.4 % · +249.9 pp vs the year before · industry median 13.5 % · above 67% of the industry
-300-200-10001002018 Company: — Industry median: —20182019 Company: -82.0 % Industry median: 12.7 %20192020 Company: 8.4 % Industry median: 23.8 %20202021 Company: 80.5 % Industry median: 25.1 %20212022 Company: 15.1 % Industry median: 17.7 %20222023 Company: 61.4 % Industry median: 16.8 %20232024 Company: -206.5 % Industry median: 15.8 %20242025 Company: 43.4 % Industry median: 13.5 %2025-300-200-10001002018 Company: — Industry median: —2019 Company: -82.0 % Industry median: 12.7 %20192020 Company: 8.4 % Industry median: 23.8 %2021 Company: 80.5 % Industry median: 25.1 %20212022 Company: 15.1 % Industry median: 17.7 %2023 Company: 61.4 % Industry median: 16.8 %20232024 Company: -206.5 % Industry median: 15.8 %2025 Company: 43.4 % Industry median: 13.5 %2025
  • Company
  • Industry median

Industry: Scientific research and development (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € 2025: 8 351 € · +56.0% vs 2024
05 00010 00015 00020 0002018 Company: —20182019 Company: 8 282 €20192020 Company: 6 706 €20202021 Company: 15 712 €20212022 Company: 13 485 €20222023 Company: 19 879 €20232024 Company: 5 352 €20242025 Company: 8 351 €202505 00010 00015 00020 0002018 Company: —2019 Company: 8 282 €20192020 Company: 6 706 €2021 Company: 15 712 €20212022 Company: 13 485 €2023 Company: 19 879 €20232024 Company: 5 352 €2025 Company: 8 351 €2025
Equity, € 2025: 7 082 € · +39.2% vs 2024
05 00010 00015 00020 0002018 Company: —20182019 Company: 8 282 €20192020 Company: 6 097 €20202021 Company: 15 712 €20212022 Company: 13 485 €20222023 Company: 19 879 €20232024 Company: 5 087 €20242025 Company: 7 082 €202505 00010 00015 00020 0002018 Company: —2019 Company: 8 282 €20192020 Company: 6 097 €2021 Company: 15 712 €20212022 Company: 13 485 €2023 Company: 19 879 €20232024 Company: 5 087 €2025 Company: 7 082 €2025
Employees 2025: 0 · industry median 1 · above 2% of the industry
024682018 Company: 8 Industry median: 120182019 Company: 5 Industry median: 120192020 Company: 2 Industry median: 120202021 Company: 2 Industry median: 120212022 Company: 2 Industry median: 220222023 Company: 2 Industry median: 120232024 Company: 0 Industry median: 120242025 Company: 0 Industry median: 12025024682018 Company: 8 Industry median: 12019 Company: 5 Industry median: 120192020 Company: 2 Industry median: 12021 Company: 2 Industry median: 120212022 Company: 2 Industry median: 22023 Company: 2 Industry median: 120232024 Company: 0 Industry median: 12025 Company: 0 Industry median: 12025
  • Company
  • Industry median

Industry: Scientific research and development (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 14 970 6 494 3 591 8 351 7 082 0
2024 5 396 -11 142 1 424 5 352 5 087 0
2023 10 409 6 394 1 927 19 879 19 879 2
2022 6 024 910 1 971 13 485 13 485 2
2021 16 210 13 050 1 945 15 712 15 712 2
2020 3 013 252 729 6 706 6 097 2
2019 5 920 -4 853 9 112 8 282 8 282 5
2018 — — — — — 8

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

Net profit margin
43.4 %
Net profit / revenue
Return on equity (ROE)
91.7 %
Net profit / equity
Return on assets (ROA)
77.8 %
Net profit / assets
Equity ratio
84.8 %
Equity / assets
Debt ratio
15.2 %
Liabilities / assets
Current ratio
6.23
Current assets / current liabilities

Annual reports

PDFs from e-Äriregister
Annual reports
Year Period Filed Report Documents
2025 1 Jan 2025 – 31 Dec 2025 29 May 2026 Company’s own e-Äriregister
2024 1 Jan 2024 – 31 Dec 2024 24 Jun 2025 Company’s own e-Äriregister
2023 1 Jan 2023 – 31 Dec 2023 10 May 2024 Company’s own e-Äriregister
2022 1 Jan 2022 – 31 Dec 2022 21 Jun 2023 Company’s own e-Äriregister
2021 1 Jan 2021 – 31 Dec 2021 20 Jun 2022 Company’s own e-Äriregister
2020 1 Jan 2020 – 31 Dec 2020 30 Jun 2021 Company’s own e-Äriregister
2019 1 Jan 2019 – 31 Dec 2019 26 Aug 2020 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

shared board members, owners or beneficial owners

Activities (EMTAK)

  • 72101Research and experimental development on natural sciences and engineering Main

Rulings 4

All rulings (PDF)
Rulings
Number, date Title Deadline State Document
Ä 50066418 / 4
1 Sep 2023
 Amendment entry In force
1 Sep 2023
 PDF
Ä 50066418 / 3
20 Jan 2018
 Amendment entry In force
20 Jan 2018
 PDF
Ä 50066418 / 2
14 Dec 2017
 Amendment entry In force
14 Dec 2017
 PDF
Ä 50066418
29 Sep 2017
 First entry In force
29 Sep 2017
 PDF

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