TLT-Building Oy is a limited company based in Pori, registered in 2011. Its taxable income in 2024 was 1,2 M€ and its income taxes 251 t€. Public buyers bought 15 t€ from it in 2025–2025; the largest buyer is Väylävirasto (Liikenne- ja viestintäministeriön hallinnonala). It has won 1 public contracts in EU procurement notices.
Taxes
Measured by taxable income, TLT-Building Oy is in the top 10 % of the industry class construction of utility projects for electricity and telecommunications (155 companies with taxable income; median 33 t€, 37 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
Public contracts won
- Updating of Fingrid's type supportsFingrid Oyj45 t€
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