Siuko Oy is a limited company based in Tampere, registered in 1977. Its taxable income in 2024 was 70 t€ and its income taxes 14 t€.
Taxable income 202470 t€
upper half of its industry
Income taxes 202414 t€61 t€ in 2020–2024
In business49 yrsregistered 23.6.1977
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Taxes
Measured by taxable income, Siuko Oy is in the upper half of the industry class site preparation (1576 companies with taxable income; median 36 t€, 2,0 times the median).
Taxable income is the profit as calculated for taxation, not revenue. Public data from the Finnish Tax Administration; figures for 2025 are published in November 2026. Revenue, financial ratios and employee numbers are shown once the company has filed its financial statements digitally.