K-Book OÜ is a OÜ based in Tallinn, registry code 16791142, status: active. Main activity: Bookkeeping, tax consulting. Its annual report for 2025 shows revenue of €4 859 and 1 employees.
Turnover
—
State taxes
0 €
Labour taxes
38 €
↓ 54.8%vs Q2 2026
Employees
1
±0vs Q2 2026
Q3 2026 · data from the Tax and Customs Board (EMTA)
Position in the industry Legal and accounting activities · EMTAK 69
Labour taxes per employee38 €
above 2% of companies
industry median 1 122 € · companies in the industry: 3 120
Revenue · 20254 859 €
above 33% of companies
industry median 12 784 € · companies in the industry: 8 416
Net profit margin · 2025-50.4 %
above 2% of companies
industry median 14.8 % · companies in the industry: 6 880
Taxes and turnover
Q4 2023 – Q3 2026
Labour taxes per employee, € Q3 2026: 38 € · −54.8% vs Q2 2026 · industry median 1 122 € · above 2% of the industry
Company
Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Revenue, € 2025: 4 859 € · −86.6% vs 2024 · industry median 12 784 € · above 33% of the industry
Company
Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Net profit, € 2025: -2 450 € · −113.4% vs 2024 · industry median 1 062 € · above 10% of the industry
Company
Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Net profit margin, % 2025: -50.4 % · −100.7 pp vs the year before · industry median 14.8 % · above 2% of the industry
Company
Industry median
Industry: Legal and accounting activities (the EMTAK division of the main activity). Median: half of the industry is above, half below.
Assets, € 2025: 15 792 € · −13.5% vs 2024Equity, € 2025: 15 773 € · −13.4% vs 2024Employees2025: 1 · +0.0% vs 2024 · industry median 1 · above 5% of the industry
Company
Industry median
Industry: Legal and accounting 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
4 859
-2 450
5 134
15 792
15 773
1
2024
36 209
18 223
10 540
18 251
18 223
1
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
-50.4 %
Net profit / revenue
Return on equity (ROE)
-15.5 %
Net profit / equity
Return on assets (ROA)
-15.5 %
Net profit / assets
Equity ratio
99.9 %
Equity / assets
Debt ratio
0.1 %
Liabilities / assets
Current ratio
243.79
Current assets / current liabilities
Revenue per employee
4 859 €
Revenue / average full-time employees
Labour cost per employee per month
428 €
Labour costs / employees / 12 months (incl. employer taxes)
