Mainio Tech Oy is a limited company based in Helsinki, registered in 2011. Its taxable income in 2024 was 170 t€ and its income taxes 34 t€. Public buyers bought 331 t€ from it in 2022–2025; the largest buyer is Kaupunginkanslia, Helsinki (Helsinki).
Taxes
Measured by taxable income, Mainio Tech Oy is in the top quarter of the industry class computer programming activities (3158 companies with taxable income; median 28 t€, 6,1 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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