Tieto Oyj (until April 2009 TietoEnator) is an IT service company providing IT and product engineering services. Active in more than 20 countries with approximately 14,000 employees, Tieto is one of the largest IT service providers in Europe. Tieto is domiciled in Helsinki, Finland, and the company's shares are listed on the NASDAQ OMX Helsinki and Stockholm.

Tieto Oyj (until April 2009 TietoEnator) is an IT service company providing IT and product engineering services. Active in more than 20 countries with approximately 14,000 employees, Tieto is one of the largest IT service providers in Europe. Tieto is domiciled in Helsinki, Finland, and the company's shares are listed on the NASDAQ OMX Helsinki and Stockholm.