HannaHau Oy is a limited company based in Seinäjoki, registered in 2021. Its taxable income in 2024 was 17 t€ and its income taxes 3 416 €. Public buyers bought 1 994 € from it in 2022–2024; the largest buyer is Muut Yliopistotason Tehtävät (Tampereen yliopisto).
Taxes
Measured by taxable income, HannaHau Oy is in the upper half of the industry class graphic design activities (125 companies with taxable income; median 5 207 €, 3,3 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.
Sales to public buyers
Largest buyers
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