Insinööritoimisto Pentti Laiho Oy is a limited company based in Lahti, registered in 1978. Its taxable income in 2024 was 375 t€ and its income taxes 76 t€. Public buyers bought 527 € from it in 2022–2023; the largest buyer is Luonnonvarakeskus (Maa- ja metsätalousministeriön hallinnonala).
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Taxes
Measured by taxable income, Insinööritoimisto Pentti Laiho Oy is in the upper half of the industry class manufacture of plastic plates, sheets, tubes and profiles (45 companies with taxable income; median 174 t€, 2,2 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.