Kustannus Oy Duodecim is a limited company based in Helsinki, registered in 1984. Its taxable income in 2024 was 1,4 M€ and its income taxes 285 t€. Public buyers bought 7,4 M€ from it in 2022–2026; the largest buyer is Sosiaali- Ja Terveystoimiala, Helsinki (Helsinki). It has won 2 public contracts in EU procurement notices.
Taxes
Measured by taxable income, Kustannus Oy Duodecim is in the top 10 % of the industry class publishing of books (81 companies with taxable income; median 11 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
Public contracts won
- Terveysportti- ja Oppiportti- palveluiden käyttöoikeuksien hankinta vuodelle 2026Etelä-Pohjanmaan hyvinvointialue351 t€
- Kliinisen päätöksentuen, lääketietokantojen sekä terveyshyötyarvio-ratkaisun käyttöoikeus Apotti-järjestelmän loppukäyttäjilleOy Apotti Ab4,0 M€
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