Not to be confused with Cision Inc., the public relations software company based in Chicago. Cision AB was a Swedish software company. Cision has offices in Europe, North America and Asia. As of 2011, it had revenues of SEK 1 billion. In October 14, 2014, Cision and Vocus announced a friendly merger of the two public relations companies. Cision relocated its headquarters to Chicago and so will Vocus from Maryland. The company is based in Chicago and the combined entity is known as Cision Inc..