Sanoma Oyj (formerly SanomaWSOY) is a leading media group in the Nordic countries with operations in 20 European countries, based in Helsinki. The group is also among the top five European magazine publishers and has a strong position, in addition to its native Finland, in Belgium, Bulgaria, Croatia, the Czech Republic, Denmark, Estonia, Hungary, Latvia, Lithuania, the Netherlands, Romania, Russia, Serbia, Slovakia, Slovenia and Ukraine.
The group has an annual turnover of 2.761 billion euros (2010) and employed over 15,400 people on a full-time equivalent basis at the end of 2010. SanomaWSOY was formed in 1999 with the merger of Sanoma Corporation, WSOY (Werner Söderström Osakeyhtiö; Werner Söderström Corporation) and Helsinki Media Company. The group reverted back to the name Sanoma Corporation in October 2008.
The company consists of five divisions:
* Sanoma Magazines: Magazine publishing and online operations
* Sanoma News: Newspaper publishing, online operations and printing
* Sanoma Learning & Literature: Educational publishing, publishing, and business information and services
* Sanoma Entertainment: TV, online gaming services, and radio
* Sanoma Trade: Kiosk operations, press distribution, bookstores and entertainment
Sanoma's stock is listed on the Helsinki Stock Exchange. Its biggest owners include Aatos Erkko and other members of the Erkko family. The newspaper Helsingin Sanomat that was founded in 1889 as Päivälehti is one of the single most significant products of the group.