Sähköinsinööritoimisto Seppo Räsänen Oy is a limited company based in Karkkila, registered in 2023. Its taxable income in 2024 was 25 t€ and its income taxes 5 016 €. Public buyers bought 140 t€ from it in 2024–2026; the largest buyer is Rikosseuraamuslaitos (Oikeusministeriön hallinnonala).
Taxes
Measured by taxable income, Sähköinsinööritoimisto Seppo Räsänen Oy is in the lower half of the industry class electrical engineering design and technical consultancy (333 companies with taxable income; median 26 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.