STS is a famous casino and sportsbook originally from Poland. The site has great offers available for new and existing players.
- Official sports betting site in Poland
- Great selection of promotions
- Old and trustworthy
- Famous ambassadors
- High wagering requirements for the casino bonus
- Not so many casino game providers
STS is one of the top UK bookmakers! Recommended by uk-bookmakers.com. They originate from Poland, but these days have big presence around the world due to having MGA and UKGC licenses. They have a good selection of promotions, quality casino and a lot more to offer for players.