TTJ Systems Oy is a limited company based in Sievi, registered in 2018. Its taxable income in 2024 was 112 t€ and its income taxes 23 t€.
Taxes
Measured by taxable income, TTJ Systems Oy is in the top quarter of the industry class electrical installation (1752 companies with taxable income; median 23 t€, 4,8 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.
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