Ubisoft is the name the company Sega is doing business as.
, originally short for Service Games and officially styled as SEGA , is a Japanese multinational video game developer and publisher headquartered in Tokyo , Japan , with multiple offices around the world . Ubisoft Entertainment SA ( formerly Ubi Soft Entertainment Software ) , doing business as Ubisoft ( formerly Ubi Soft ) , is a French multinational video game publisher , headquartered in Rennes , France .