PokerStars.com

Rational Services Ltd. operates PokerStars.com, the world’s most popular online poker site that serves the world’s largest poker community, with more than 49 million registered members since it launched in December 2001. It’s the first choice of the world’s top players, with more daily tournaments than anywhere else, and with the best security online. More hands have been dealt on PokerStars.com than any other site; that’s over 80 billion hands and more than 550 million tournaments played.

Rational Services Ltd. has recently been awarded UK's top 25 Best Places to Work.