Perearst Ištvan Koso OÜ

Active Registry code 10859152 OÜ Tallinn Registered 4 Apr 2002

Perearst Ištvan Koso OÜ is a OÜ based in Tallinn, registry code 10859152, status: active. Main activity: General medical practice activities. Its annual report for 2025 shows revenue of €298 922 and 3 employees.

Turnover

—

State taxes

14 490 €

↓ 44.5% vs Q2 2026

Labour taxes

14 513 €

↑ 22.6% vs Q2 2026

Employees

±0 vs Q2 2026

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

Position in the industry Human health activities · EMTAK 86

Labour taxes per employee 4 838 €

above 87% of companies

industry median 2 177 € · companies in the industry: 1 696
Revenue · 2025 298 922 €

above 81% of companies

industry median 20 811 € · companies in the industry: 3 373
Net profit margin · 2025 14.4 %

above 61% of companies

industry median 8.3 % · companies in the industry: 2 759

Taxes and turnover

Q4 2023 – Q3 2026

Labour taxes per employee, € Q3 2026: 4 838 € · +22.6% vs Q2 2026 · industry median 2 177 € · above 87% of the industry

Company
Industry median

Industry: Human health activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Employees Q3 2026: 3 · +0.0% vs Q2 2026

State taxes, € Q3 2026: 14 490 € · −44.5% vs Q2 2026

Figures by quarter
Quarter	Turnover, €	State taxes, €	Labour taxes, €	Employees
Q3 2026	—	14 490	14 513	3
Q2 2026	—	26 100	11 838	3
Q1 2026	—	12 047	12 042	3
Q4 2025	—	11 932	11 755	3
Q3 2025	—	13 719	13 734	4
Q2 2025	—	11 671	11 489	4
Q1 2025	—	10 684	10 673	4
Q4 2024	—	22 225	9 723	4
Q3 2024	—	10 352	10 348	3
Q2 2024	—	18 063	9 572	3
Q1 2024	—	13 915	10 638	3
Q4 2023	—	9 790	9 776	3
Q3 2023	—	16 548	9 023	3
Q2 2023	—	6 022	5 952	3
Q1 2023	—	10 720	6 598	3
Q4 2022	—	6 275	6 207	3
Q3 2022	—	5 472	5 449	3
Q2 2022	—	4 147	4 104	3
Q1 2022	—	6 033	4 022	2

Labour taxes per employee per month

1 613 €

Q3 2026 · calculated from EMTA data

Financials by year

2016 – 2025

Revenue, € thousand 2025: 298 922 € · +7.0% vs 2024 · industry median 20 811 € · above 81% of the industry

Company
Industry median

Industry: Human health activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit, € 2025: 42 964 € · −22.5% vs 2024 · industry median 1 071 € · above 84% of the industry

Company
Industry median

Industry: Human health activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Net profit margin, % 2025: 14.4 % · −5.5 pp vs the year before · industry median 8.3 % · above 61% of the industry

Company
Industry median

Industry: Human health activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.

Assets, € thousand 2025: 125 018 € · +72.9% vs 2024

Equity, € thousand 2025: 102 653 € · +72.0% vs 2024

Employees 2025: 3 · +0.0% vs 2024 · industry median 2 · above 55% of the industry

Company
Industry median

Industry: Human health activities (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	298 922	42 964	119 650	125 018	102 653	3
2024	279 252	55 419	80 010	72 301	59 689	3
2023	265 995	40 826	87 949	137 746	110 156	3
2022	175 962	24 460	52 469	138 415	120 093	2
2021	117 559	33 796	28 644	115 183	108 474	2
2020	95 465	22 579	26 971	92 313	85 378	2
2019	93 874	14 413	25 564	79 064	73 966	2
2018	—	—	—	—	—	2
2017	—	—	—	—	—	2
2016	—	—	—	—	—	2
2015	—	—	—	—	—	2
2014	—	—	—	—	—	2
2013	—	—	—	—	—	2
2012	—	—	—	—	—	2
2011	—	—	—	—	—	2
2010	—	—	—	—	—	2
2009	—	—	—	—	—	2
2008	—	—	—	—	—	2
2007	—	—	—	—	—	2
2006	—	—	—	—	—	2
2005	—	—	—	—	—	2

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

14.4 %

Net profit / revenue

Return on equity (ROE)

41.9 %

Net profit / equity

Return on assets (ROA)

34.4 %

Net profit / assets

Equity ratio

82.1 %

Equity / assets

Debt ratio

17.9 %

Liabilities / assets

Current ratio

5.41

Current assets / current liabilities

Revenue per employee

99 641 €

Revenue / average full-time employees

Labour cost per employee per month

3 324 €

Labour costs / employees / 12 months (incl. employer taxes)

Annual reports

PDFs from e-Äriregister

Annual reports
Year	Period	Filed	Report	Documents
2025	1 Jan 2025 – 31 Dec 2025	7 Apr 2026	Company’s own	e-Äriregister
2024	1 Jan 2024 – 31 Dec 2024	6 May 2025	Company’s own	e-Äriregister
2023	1 Jan 2023 – 31 Dec 2023	25 Mar 2024	Company’s own	e-Äriregister
2022	1 Jan 2022 – 31 Dec 2022	28 Mar 2023	Company’s own	e-Äriregister
2021	1 Jan 2021 – 31 Dec 2021	8 Jun 2022	Company’s own	e-Äriregister
2020	1 Jan 2020 – 31 Dec 2020	7 Mar 2021	Company’s own	e-Äriregister
2019	1 Jan 2019 – 31 Dec 2019	20 May 2020	Company’s own	e-Äriregister

Board

Ištvan Koso
Board member · since 4 Apr 2002

Right of representation

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

Owners

Ištvan Koso
Natural person · 2 556 €

100%

Beneficial owners

Ištvan Koso
Direct ownership · since 25 Sep 2018

Founders and other persons

Ištvan Koso
Founder · 20 000 € · 4 Apr 2002
Silvia Korberg
Founder · 20 000 € · 4 Apr 2002

Activities (EMTAK)

86211General medical practice activities Main

Rulings 9

All rulings (PDF)

Rulings
Number, date	Title	Deadline	State	Document
Ä 10064408 / 8 1 Sep 2023	Amendment entry		In force 1 Sep 2023	PDF
Ä 10064408 / 7 17 Jan 2018	Amendment entry		In force 17 Jan 2018	PDF
Ä 10064408 / 6 8 Nov 2017	Amendment entry		In force 8 Nov 2017	PDF
Ä 10064408 / 5 14 Sep 2015	Amendment under Commercial Code § 525 (2)		In force 14 Sep 2015	PDF
Ä 10064408 / 4 4 Oct 2011	Amendment entry		In force 4 Oct 2011	PDF
Ä 64408 / 3 5 Jan 2009	Deletion of activities from the registry card		In force 9 Jan 2009	PDF
Ä 64408 / 2 5 Jan 2005	Amendment entry		In force	PDF
Ä 64408 4 Apr 2002	First entry		In force	PDF
Ä 64408 / M1 2 Apr 2002	Ruling to eliminate deficiencies (to be served)	30 Jun 2002	In force	PDF

Sources: e-Äriregister and EMTA. Data updated 2 Nov 2026. Open at the source ↗ · Report an error in the data