STS is the most successful operator in Poland, with more than half the market share. It was established back in 1997 and today maintains 440+ betting shops. Since 2019, after the launch of the international sites, it has been steadily expanding in more regulated markets. I enjoyed the odds on the major football leagues and the wide range of live events available each month. The TGlab platform offers players the ability to bet with exciting features like Counter Offer and Bet Builder. Nonetheless, there are a few areas I would like to see some changes. The overall basketball offering is mediocre. It is bizarre that horse or greyhound racing is not an option, especially since it targets the UK market. Finally, I would like to see the mobile app becoming available in other countries besides Poland. At the moment, STSBet might not be at the level of William Hill or Bet365, but it certainly deserves a chance.