One of the studios he owned the London Studio, is rumored to be closed. The studio itself just opened in January 2017, and has 7 members. Projects they once worked on included in the Angry Birds franchise. This studio is currently working on a new IP MMO genre. According to news reported by BusinessInsider, the closing of this studio because Rovio earn income far below expectations.
The closing news of this studio came from Mark Sorrel, the head of the studio. Will Luton, Executive Producer and Geraldo Nascimento, Senior Game Developer also gave a statement on this closing news.