STS is one of the UK’s best online gambling companies launched in February 2019. Based in Poland, STS Gaming Groups has dominated the market of legal betting companies in Poland. Since its inception, STS has grown and now has over 1500 employees and over 440 betting shops all over Poland. In addition, STS offers its players an online sportsbook as well as a casino. STS provides its betting aficionados with sports events from over 400 different markets as well as nearly 1500 different casino games. As such, when you choose STS one thing is sure, you’d never get bored. Additionally, STS continues to expand its product portfolio by offering live dealer games and in-play betting.