Arkkitehtitoimisto Siltanen ja Laakso Oy is a limited company based in Helsinki, registered in 2011. Its taxable income in 2024 was 148 t€ and its income taxes 30 t€. Public buyers bought 1 154 € from it in 2026–2026; the largest buyer is Digi- ja väestötietovirasto (Valtiovarainministeriön hallinnonala).
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Taxes
Measured by taxable income, Arkkitehtitoimisto Siltanen ja Laakso Oy is in the top quarter of the industry class architectural activities (459 companies with taxable income; median 20 t€, 7,5 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.