You might be most familiar with high-street staples Ladbrokes and Coral both of which have popular online casino sections too. While you might not recognise the name, Entain is one of the world’s largest gambling companies and has lots of very familiar names under its umbrella. The largest online casino in the UK is likely Entain. What’s the Largest Online Casino in the UK? We’ve had a look at some of the world top online casino and here’s just a few of the best for you. It’s not easy to spot the biggest online gambling sites, but we’ve done the job for you to make it all a little bit easier for you. Gamble, the players’ safety and satisfaction are our top priority - you can rely on us to get the best possible offers from licensed online casinos. Our editorial policy includes fact-checking all casino information while including real-world data to provide the most relevant and helpful guide for readers around the world. Gamble by verifying the operating regions of casinos and the validity of local licenses, among other aspects such as customer service, game selection, banking methods, and bonuses. The team incorporates a strict due diligence process for listing casinos on Mr. Gamble implements a world-class evaluation process for all online casinos. For the safety of players and to keep operators accountable, the team at Mr.