Mastsystem Int'l Oy is a limited company based in Joensuu, registered in 1996. Its taxable income in 2024 was 5,4 M€ and its income taxes 1,1 M€. Public buyers bought 90 t€ from it in 2023–2026; the largest buyer is Ilmatieteen laitos (Liikenne- ja viestintäministeriön hallinnonala).
Taxes
Measured by taxable income, Mastsystem Int'l Oy is in the top 10 % of the industry class manufacture of metal structures and parts of structures (533 companies with taxable income; median 42 t€).
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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