T-Knowhow Oy is a limited company based in Helsinki, registered in 1990. Public buyers bought 79 t€ from it in 2022–2024; the largest buyer is Kaupunkiympäristön Toimiala, Helsinki (Helsinki).
Taxable income 20240 €
profit as taxed
Income taxes 20240 €96 € in 2020–2024
In business36 yrsregistered 16.5.1990
Sales to public buyers79 t€2022–2024
Taxes
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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