In its effort to grow beyond the mobile web browser business, Opera acquired AdMarvel back in January 2010. Obviously that’s not enough for the Opera Mini maker as they bought two other mobile ad agencies, Mobile Theory and 4th Screen Advertising, to even better monetize the traffic that flows through Opera browsers.
Mobile Theory is a San Francisco-based company that covers the U.S. mobile ad market from its offices in the New York City, Chicago, Los Angeles, Seattle and San Francisco. 4th Screen Advertising, on the other hand, is focused on serving the European mobile advertising markets, based in London.
As of December 2011, Opera Software serves more than 160 million monthly active users that generate more than 100 billion page views, consuming some 16 Petabytes of mobile data services a month.
Finally, in case you wonder, financial terms for the transactions were not disclosed…