James Males, former UK advertising sales director at eBuddy, has signed on to lead the new office.
Spil Games owns and operates 45 fully localized web properties such as and , allowing advertisers to target audiences by region and demographic.
Each casual games website is designed for a core audience, such as families, tweens, teens, and girls.
Sidney Mock, chief commercial officer of Spil Games, said: "We have always seen the UK as a high-priority market, and so are very excited to be taking this next step in establishing a dedicated sales operation there."