Insinööritoimisto W. Zenner Oy is a limited company based in Helsinki, registered in 1984. Public buyers bought 78 t€ from it in 2022–2025; the largest buyer is Kaupunkiympäristön Toimiala, Helsinki (Helsinki).
In business42 yrsregistered 5.4.1984
Sales to public buyers78 t€2022–2025
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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.