Best Non-GamStop Casinos for UK Players in 2025

Online slot games can have hundreds of different themes, ranging from classic fruit machines, to big adventures and even fantasy-themed games, so every different taste is catered for! This is particularly true with the best new slot games at UK online casinos. Unibet’s online casino UK offers a truly unmatched experience. With a wide range of games from top providers,players will be spoiled for choice over what to play. Unibet also ensures all its customers have the utmost security when playing. Your data is completely secure, as are your transactions, and you can set spending and deposit limits with our safer gambling tools.

This online casino lives up to the hype

Here’s what we look at in every casino we review — and what you should too. To give you the clearest, most accurate guidance, so you can choose from our recommendations and save time finding the right one. These are some of the key reasons given by OLBG members for giving low casinoreview ratings. Then, it is on to fact-checking and detailed editing to ensure accuracy. The latest new casino listed on OLBG was Slots Temple, which has been very well received by our users, with lots of positive comments coming in, with their unique free tournaments. Please do take a look at the full Slots Temple Review and see for yourself why it has been climbing our rankings.

Can I have Two or More Online Casino Accounts at the Same Time?

For fast action, Sit & Go tournaments are ideal, and for larger prize pools, multi-table tournaments make more sense. The more flexible betting limits of non GamStop gambling sites give you more control over your budget. Mobile gambling is getting more and more popular, and that’s definitely something newer brands recognise. The best new UK casinos allow you to do everything from signing up, to claiming promos, and making deposits and withdrawals from the mobile site.

Book of Monsters by Pragmatic Play is a fresh take on the book of- slot genre, combining a fun fantasy theme with cluster pays, progressive bonus rounds, and more. Harrison Score has been a content writer at FTD Digital for almost 10 years and the Head of WDW Bingo since 2018.

Unlike most veteran operators, newer online casinos tend to use software from multiple suppliers. Some even go as far as teaming up with twenty or more developers. This is a big plus, as it ensures customers enjoy an enormous variety of designs, themes and settings that would be impossible if the casino worked with a single provider.

Best Non-GamStop Casinos 2025 – New Sites not on GamStop UK

Every contributor on the OLBG team brings something more than just industry experience — they bring firsthand knowledge as real players. Explore our guide to the best live dealer casinos, reviewed and rated by our team. We advise players to enjoy the benefits of new platforms that pass our stringent safety checks—but always keep a few tried-and-tested favourites as backups. It’s mobile-first, instant-pay, and brings something truly different with its unique “duel” features, wrapped in a medieval theme.

Many sites now feature unique formats such as Super Andar Bahar, Bac Bo Live, and Golden Wealth Baccarat, which cater to evolving tastes beyond the standard slots and roulette. BetMGM Casino offers 2,500+ casino games including live dealer games and plenty of exclusive slots. This means that as long as you have a stable internet connection, you can enjoy your favourite casino games online anytime, anywhere. While simple card and dice games are still enormously fun, why stop there?

New users at Lucky Mister Casino can score a monumental 500% bonus + 500 FS on their first deposit. Quite a deal, but the high minimum deposit of £40 is a potential ick. Still, Lucky Mister supports flexible payment methods like BTC, ETH, and Visa, and has no limits or fees, which evens things out nicely. The casino also has a Curacao license and reliable support, making it suitable for UK players.

Peruse our list and luxuriate in these fabulous gambling palaces. If you want to learn more about these casinos and how they compare to slot sites, read the rest of the article below. Many of the newer UK online casinos are starting to get a great reputation for having big bonuses and a massive game selection. Some of the most popular trusted casino options include BetMGM Casino, Bally Casino, Dream Vegas, and Rainbow Riches Casino. Lots of new online casinos have a very impressive range of hundreds of slot games for you to try, including progressive jackpot slots, exclusives, and Megaways games. A few of our favourites are Dream Vegas, Jackpot Joy, and BetMGM Casino.

If you are looking for new slots with a classy discowin casino touch, Indigo Magic games are a solid option. Having a big publisher is the key for new game suppliers to get their games to a wider audience. New casinos are also benefiting from this, as they only have to sign up with one publisher to get games from a dozen developers. Released in March 2025, Book of Monsters offers a modern twist to the classy book slot category. The new slot is available with an RTP of 96.05% and 5,000x win potential. Every review page has a big green ‘PLAY HERE’ button that takes you straight to the casino.