Arkkitehtitoimisto Heikki Viiri Oy is a limited company based in Helsinki, registered in 2009. Its taxable income in 2024 was 162 t€ and its income taxes 33 t€. Public buyers bought 1,2 M€ from it in 2023–2025; the largest buyer is Kaupunkiympäristön Toimiala, Helsinki (Helsinki).
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Taxes
Measured by taxable income, Arkkitehtitoimisto Heikki Viiri Oy is in the top quarter of the industry class architectural activities (459 companies with taxable income; median 20 t€, 8,3 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.