Karster OÜ

Active Registry code 14392143 OÜ Tallinn Registered 18 Dec 2017
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Karster OÜ is a OÜ based in Tallinn, registry code 14392143, status: active. Main activity: Research and experimental development on natural sciences and engineering. According to EMTA, turnover for Q3 2026 was €0 with employees.

Turnover
0 €
↓ 100.0% vs Q2 2026
State taxes
—
Labour taxes
—
Employees
—

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

Position in the industry Scientific research and development · EMTAK 72

  • Revenue · 2025 69 675 €
    industry median 0 € · companies in the industry: 1 073
  • Net profit margin · 2025 78.6 %
    industry median 13.5 % · companies in the industry: 597

Taxes and turnover

Q1 2022 – Q3 2026
Turnover, € Q3 2026: 0 € · −100.0% vs Q2 2026 · industry median 14 442 € · above 2% of the industry
020 00040 00060 00080 000Q1 2022 Company: — Industry median: 18 427 €Q1·22Q1 2023 Company: — Industry median: 17 387 €Q2 2024 Company: — Industry median: 14 999 €Q2·24Q3 2024 Company: 74 220 € Industry median: 11 985 €Q4 2024 Company: 0 € Industry median: 16 752 €Q4·24Q1 2025 Company: 0 € Industry median: 15 203 €Q2 2025 Company: 0 € Industry median: 14 420 €Q2·25Q3 2025 Company: 0 € Industry median: 13 763 €Q4 2025 Company: 61 875 € Industry median: 13 976 €Q4·25Q1 2026 Company: 0 € Industry median: 14 268 €Q2 2026 Company: 21 575 € Industry median: 14 545 €Q2·26Q3 2026 Company: 0 € Industry median: 14 442 €Q3·26020 00040 00060 00080 000Q4 2024 Company: 0 € Industry median: 16 752 €Q1 2025 Company: 0 € Industry median: 15 203 €Q1·25Q2 2025 Company: 0 € Industry median: 14 420 €Q3 2025 Company: 0 € Industry median: 13 763 €Q3·25Q4 2025 Company: 61 875 € Industry median: 13 976 €Q1 2026 Company: 0 € Industry median: 14 268 €Q1·26Q2 2026 Company: 21 575 € Industry median: 14 545 €Q3 2026 Company: 0 € Industry median: 14 442 €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.

State taxes, € Q2 2026: 5 178 € · +5 078.0% vs Q1 2026
05 00010 00015 00020 000Q1 2022 Company: 23 €Q1·22Q1 2023 Company: 23 €Q2 2024 Company: 28 €Q2·24Q3 2024 Company: 16 155 €Q4 2024 Company: —Q4·24Q1 2025 Company: 96 €Q2 2025 Company: —Q2·25Q3 2025 Company: —Q4 2025 Company: 14 850 €Q4·25Q1 2026 Company: 100 €Q2 2026 Company: 5 178 €Q2·26Q3 2026 Company: —Q3·2605 00010 00015 000Q4 2024 Company: —Q1 2025 Company: 96 €Q1·25Q2 2025 Company: —Q3 2025 Company: —Q3·25Q4 2025 Company: 14 850 €Q1 2026 Company: 100 €Q1·26Q2 2026 Company: 5 178 €Q3 2026 Company: —Q3·26
Figures by quarter
Quarter Turnover, € State taxes, € Labour taxes, € Employees
Q3 2026 — — — —
Q2 2026 21 575 5 178 — —
Q1 2026 — 100 — —
Q4 2025 61 875 14 850 — —
Q3 2025 — — — —
Q2 2025 — — — —
Q1 2025 — 96 — —
Q4 2024 — — — —
Q3 2024 74 220 16 155 — —
Q2 2024 — 28 — —
Q1 2023 — 23 — —
Q1 2022 — 23 — —

Financials by year

2018 – 2025
Revenue, € thousand 2025: 69 675 € · −41.0% vs 2024 · industry median 0 € · above 89% of the industry
02550751001252018 Company: — Industry median: —20182019 Company: 31 600 € Industry median: 0 €20192020 Company: 24 760 € Industry median: 150 €20202021 Company: 39 960 € Industry median: 0 €20212022 Company: 39 990 € Industry median: 103 €20222023 Company: 40 000 € Industry median: 76 €20232024 Company: 118 120 € Industry median: 0 €20242025 Company: 69 675 € Industry median: 0 €202502550751001252018 Company: — Industry median: —2019 Company: 31 600 € Industry median: 0 €20192020 Company: 24 760 € Industry median: 150 €2021 Company: 39 960 € Industry median: 0 €20212022 Company: 39 990 € Industry median: 103 €2023 Company: 40 000 € Industry median: 76 €20232024 Company: 118 120 € Industry median: 0 €2025 Company: 69 675 € 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, € thousand 2025: 54 732 € · −47.2% vs 2024 · industry median 0 € · above 93% of the industry
02550751001252018 Company: — Industry median: —20182019 Company: 31 534 € Industry median: 3 €20192020 Company: 19 300 € Industry median: 28 €20202021 Company: 33 087 € Industry median: 1 €20212022 Company: 31 179 € Industry median: 0 €20222023 Company: 32 538 € Industry median: 0 €20232024 Company: 103 747 € Industry median: 0 €20242025 Company: 54 732 € Industry median: 0 €202502550751001252018 Company: — Industry median: —2019 Company: 31 534 € Industry median: 3 €20192020 Company: 19 300 € Industry median: 28 €2021 Company: 33 087 € Industry median: 1 €20212022 Company: 31 179 € Industry median: 0 €2023 Company: 32 538 € Industry median: 0 €20232024 Company: 103 747 € Industry median: 0 €2025 Company: 54 732 € 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: 78.6 % · −9.3 pp vs the year before · industry median 13.5 % · above 86% of the industry
0204060801002018 Company: — Industry median: —20182019 Company: 99.8 % Industry median: 12.7 %20192020 Company: 77.9 % Industry median: 23.8 %20202021 Company: 82.8 % Industry median: 25.1 %20212022 Company: 78.0 % Industry median: 17.7 %20222023 Company: 81.3 % Industry median: 16.8 %20232024 Company: 87.8 % Industry median: 15.8 %20242025 Company: 78.6 % Industry median: 13.5 %20250204060801002018 Company: — Industry median: —2019 Company: 99.8 % Industry median: 12.7 %20192020 Company: 77.9 % Industry median: 23.8 %2021 Company: 82.8 % Industry median: 25.1 %20212022 Company: 78.0 % Industry median: 17.7 %2023 Company: 81.3 % Industry median: 16.8 %20232024 Company: 87.8 % Industry median: 15.8 %2025 Company: 78.6 % 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, € thousand 2025: 518 335 € · +79.7% vs 2024
02004006002018 Company: —20182019 Company: 68 577 €20192020 Company: 87 877 €20202021 Company: 121 067 €20212022 Company: 152 246 €20222023 Company: 184 681 €20232024 Company: 288 506 €20242025 Company: 518 335 €202502004006002018 Company: —2019 Company: 68 577 €20192020 Company: 87 877 €2021 Company: 121 067 €20212022 Company: 152 246 €2023 Company: 184 681 €20232024 Company: 288 506 €2025 Company: 518 335 €2025
Equity, € thousand 2025: 343 160 € · +19.0% vs 2024
01002003004002018 Company: —20182019 Company: 68 577 €20192020 Company: 87 877 €20202021 Company: 120 964 €20212022 Company: 149 643 €20222023 Company: 182 181 €20232024 Company: 288 428 €20242025 Company: 343 160 €202501002003004002018 Company: —2019 Company: 68 577 €20192020 Company: 87 877 €2021 Company: 120 964 €20212022 Company: 149 643 €2023 Company: 182 181 €20232024 Company: 288 428 €2025 Company: 343 160 €2025
Employees 2025: 0 · industry median 1 · above 2% of the industry
0.00.51.01.52.02018 Company: 0 Industry median: 120182019 Company: 0 Industry median: 120192020 Company: 0 Industry median: 120202021 Company: 0 Industry median: 120212022 Company: 0 Industry median: 220222023 Company: 0 Industry median: 120232024 Company: 0 Industry median: 120242025 Company: 0 Industry median: 120250.00.51.01.52.02018 Company: 0 Industry median: 12019 Company: 0 Industry median: 120192020 Company: 0 Industry median: 12021 Company: 0 Industry median: 120212022 Company: 0 Industry median: 22023 Company: 0 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 69 675 54 732 0 518 335 343 160 0
2024 118 120 103 747 0 288 506 288 428 0
2023 40 000 32 538 0 184 681 182 181 0
2022 39 990 31 179 0 152 246 149 643 0
2021 39 960 33 087 0 121 067 120 964 0
2020 24 760 19 300 0 87 877 87 877 0
2019 31 600 31 534 0 68 577 68 577 0
2018 — — — — — 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

Net profit margin
78.6 %
Net profit / revenue
Return on equity (ROE)
15.9 %
Net profit / equity
Return on assets (ROA)
10.6 %
Net profit / assets
Equity ratio
66.2 %
Equity / assets
Debt ratio
33.8 %
Liabilities / assets
Current ratio
873.30
Current assets / current liabilities

Annual reports

PDFs from e-Äriregister
Annual reports
Year Period Filed Report Documents
2025 1 Jan 2025 – 31 Dec 2025 9 Apr 2026 Company’s own e-Äriregister
2024 1 Jan 2024 – 31 Dec 2024 1 Jun 2025 Company’s own e-Äriregister
2023 1 Jan 2023 – 31 Dec 2023 24 Mar 2024 Company’s own e-Äriregister
2022 1 Jan 2022 – 31 Dec 2022 14 May 2023 Company’s own e-Äriregister
2021 1 Jan 2021 – 31 Dec 2021 13 May 2022 Company’s own e-Äriregister
2020 1 Jan 2020 – 31 Dec 2020 4 Jun 2021 Company’s own e-Äriregister
2019 1 Jan 2019 – 31 Dec 2019 12 Jun 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
  • 68201Rental and operating of own or leased real estate

Rulings 4

All rulings (PDF)
Rulings
Number, date Title Deadline State Document
Ä 50072331 / 4
28 Jun 2024
 Amendment entry In force
28 Jun 2024
 PDF
Ä 50072331 / 3
1 Sep 2023
 Amendment entry In force
1 Sep 2023
 PDF
Ä 50072331 / 2
20 Jan 2018
 Amendment entry In force
20 Jan 2018
 PDF
Ä 50072331
18 Dec 2017
 First entry In force
18 Dec 2017
 PDF

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