Insinööritoimisto Hirsinummi Oy is a limited company based in Turku, registered in 1983. Its taxable income in 2024 was 42 t€ and its income taxes 8 361 €.
Taxable income 202442 t€
upper half of its industry
Income taxes 20248 361 €75 t€ in 2020–2024
In business43 yrsregistered 28.4.1983
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Taxes
Measured by taxable income, Insinööritoimisto Hirsinummi Oy is in the upper half of the industry class structural engineering design and technical consultancy (399 companies with taxable income; median 24 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.