Arkkitehtitoimisto Jari Tamminen Oy is a limited company based in Hyvinkää, registered in 1987. Its taxable income in 2024 was 24 t€ and its income taxes 4 880 €.
Taxable income 202424 t€
upper half of its industry
Income taxes 20244 880 €69 t€ in 2020–2024
In business39 yrsregistered 30.6.1987
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Taxes
Measured by taxable income, Arkkitehtitoimisto Jari Tamminen Oy is in the upper half of the industry class architectural activities (459 companies with taxable income; median 20 t€).
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.