Porstas Oy is a limited company based in Helsinki, registered in 2020. Its taxable income in 2024 was 85 t€ and its income taxes 17 t€. Public buyers bought 87 t€ from it in 2022–2025; the largest buyer is Ulkoministeriö (Ulkoministeriön hallinnonala).
Taxes
Measured by taxable income, Porstas Oy is in the top quarter of the industry class other performing arts (411 companies with taxable income; median 13 t€, 6,8 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.
Sales to public buyers
Largest buyers
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