Companies and Brands
Tieto Corporation
Information Technology
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Tieto Corporation is a Finnish IT and software services company headquartered in Espoo, founded in 1968 as Tietotehdas Oy. It has operated under several names over its history, including Tietoenator from 1999 to 2009 and Tietoevry from 2019, after acquiring the Norwegian company EVRY, until reverting to the Tieto name in November 2025. The company provides IT and product engineering services to the energy, forestry, banking, healthcare and public sectors across more than 20 countries, and is listed on Nasdaq Helsinki and Nasdaq Stockholm.
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