Kostner OÜ is a OÜ based in Tallinn, registry code 14735403, status: active. Main activity: Other joinery installation. According to EMTA, turnover for Q3 2026 was €7 179 with 1 employees.
Turnover
7 179 €
State taxes
2 552 €
↑ 166.9%vs Q2 2026
Labour taxes
978 €
↓ 9.3%vs Q2 2026
Employees
1
±0vs Q2 2026
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry Specialised construction activities · EMTAK 43
Turnover · Q3 20267 179 €
above 21% of companies
industry median 23 017 € · companies in the industry: 6 974
Labour taxes per employee978 €
above 31% of companies
industry median 1 236 € · companies in the industry: 5 958
Revenue · 202540 026 €
above 52% of companies
industry median 37 320 € · companies in the industry: 10 312
Net profit margin · 202518.8 %
above 76% of companies
industry median 3.9 % · companies in the industry: 8 588
Taxes and turnover
Q4 2023 – Q3 2026
Turnover, € Q3 2026: 7 179 € · industry median 23 017 € · above 21% of the industry
Company
Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Labour taxes per employee, € Q3 2026: 978 € · −9.3% vs Q2 2026 · industry median 1 236 € · above 31% of the industry
Company
Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
EmployeesQ3 2026: 1 · +0.0% vs Q2 2026State taxes, € Q3 2026: 2 552 € · +166.9% vs Q2 2026
Figures by quarter
Quarter
Turnover, €
State taxes, €
Labour taxes, €
Employees
Q3 2026
7 179
2 552
978
1
Q2 2026
—
956
1 078
1
Q1 2026
5 929
1 725
1 189
1
Q4 2025
8 050
2 592
1 113
1
Q3 2025
12 210
2 611
1 113
1
Q2 2025
5 749
1 574
1 209
1
Q1 2025
11 898
2 787
1 053
1
Q4 2024
8 974
2 273
814
1
Q3 2024
7 623
1 981
863
1
Q2 2024
11 841
2 939
881
1
Q1 2024
7 798
1 310
1 030
1
Q4 2023
7 204
1 280
1 194
2
Q3 2023
6 375
1 446
863
1
Q2 2023
12 918
2 606
863
1
Q1 2023
21 511
3 848
803
1
Q4 2022
14 118
2 372
734
1
Q3 2022
5 719
1 357
812
1
Q2 2022
9 025
2 106
812
1
Q1 2022
4 443
1 356
734
1
Labour taxes per employee per month
326 €
Turnover per employee in the quarter
7 179 €
Q3 2026 · calculated from EMTA data
Financials by year
2019 – 2025
Revenue, € 2025: 40 026 € · +8.0% vs 2024 · industry median 37 320 € · above 52% of the industry
Company
Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Net profit, € 2025: 7 524 € · −42.7% vs 2024 · industry median 561 € · above 73% of the industry
Company
Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Net profit margin, % 2025: 18.8 % · −16.7 pp vs the year before · industry median 3.9 % · above 76% of the industry
Company
Industry median
Industry: Specialised construction activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Assets, € 2025: 51 058 € · +20.5% vs 2024Equity, € 2025: 47 608 € · +18.8% vs 2024Employees2025: 1 · +0.0% vs 2024 · industry median 1 · above 5% of the industry
Company
Industry median
Industry: Specialised construction 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
40 026
7 524
13 269
51 058
47 608
1
2024
37 050
13 140
10 507
42 368
40 084
1
2023
45 299
8 208
13 158
28 717
26 944
1
2022
39 657
5 908
9 818
20 668
18 736
1
2021
31 395
234
16 026
14 085
12 828
3
2020
17 253
10 094
6 213
13 383
10 094
2
2019
0
0
0
0
—
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
18.8 %
Net profit / revenue
Return on equity (ROE)
15.8 %
Net profit / equity
Return on assets (ROA)
14.7 %
Net profit / assets
Equity ratio
93.2 %
Equity / assets
Debt ratio
6.8 %
Liabilities / assets
Current ratio
14.69
Current assets / current liabilities
Revenue per employee
40 026 €
Revenue / average full-time employees
Labour cost per employee per month
1 106 €
Labour costs / employees / 12 months (incl. employer taxes)
