Sähköinsinööritoimisto Oy Niemistö is a limited company based in Helsinki, registered in 1970. Its taxable income in 2024 was 465 t€ and its income taxes 95 t€. Public buyers bought 55 t€ from it in 2023–2024; the largest buyer is Kaupunkiympäristön Toimiala, Helsinki (Helsinki). It has won 1 public contracts in EU procurement notices.
Helsinki: 289 new companies in 30 days
- Mixedtape Group OyRuokaravintolat
- Bella Creative OyMuu esittävä taide
- LHT Solutions OyPuhelinpalvelukeskusten toiminta
Taxes
Measured by taxable income, Sähköinsinööritoimisto Oy Niemistö is in the top 10 % of the industry class electrical engineering design and technical consultancy (333 companies with taxable income; median 26 t€, 18 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
- Jälki-ilmoitus Suunnittelun ja konsultoinnin puitejärjestely: OA2, OA3, OA6, OA9B, OA13, OA15Pääkaupunkiseudun Kaupunkiliikenne Oy, Länsimetro Oy, Helsingin kaupungin liikenneliikelaitos, Sammalvuoren Metrovarikko Oy, Ruskeasuon Varikkokiinteistö Oy, RV Kalusto ja Varikko Oy, Helsingin Joukkoliikenneinfra Oy19,1 M€