Maasto-Seppo Oy is a limited company based in Oulu, registered in 1992. Its taxable income in 2024 was 316 t€ and its income taxes 64 t€.
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Taxes
Measured by taxable income, Maasto-Seppo Oy is in the top quarter of the industry class construction of utility projects for electricity and telecommunications (155 companies with taxable income; median 33 t€, 9,5 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.