Top Rated Online Casino Sites 2023

This is the place to find the very best Online Casinos in the United Kingdom. Our team of experts have reviewed over 25 Online Casinos and awarded the most impressive and enjoyable ones our official Slots Starz rating. Choose your casino below and click ‘Play Now’.
All the offers advertised below are subject to the casinos own Terms and Conditions and are available only to those who are 18+

100% up to 500£
20 Free Spins
  • 0-24 hour withdrawal timeframe
  • Live chat available
  • Mobile friendly design
18+. New players only. Min deposit £10. £8 max win per 10 spins. Max bonus equal to lifetime deposits (up to £250). 65x wagering requirements and Full T&C’s apply. Play Responsibly.
up to 100%
no Deposit Bonus
  • Supports mobile and desktop devices
  • Secured with SSL encryption
  • Proven fair by independent auditors
18+. Offer only applies to new players. Min. deposit: 15£. Winnings won with games that require deposit, have to be wagered 35x. Bonuses that require deposit, have to be wagered 35x. Full terms apply.
100% up to 50£
10 Free Spins
  • Completely instant-play
  • Live gaming available
  • Live chat support
18+. UK only. Win up to 500 Free Spins from Mega Wheel on 1st deposit. 24-hour expiry. Max bet £2.50, max spins win £8 per 10 spins, max Bonus win £150, selected games & 65x wagering on winnings. No Neteller/Skrill.

Exclusive VIP Live Casino Offers:

up to 100%
no Deposit Bonus
  • Home to leading providers
  • Live chat is open 24/7
  • Mobile friendly games
18+. New eligible UK players only. Select Casino offer on sign-up and deposit. 4 deposits of £10, £20, £50, £100 matched with a bonus cash offer of same value (14 day expiry). 35x real money cash wagering (within 30 days) on eligible games before bonus cash is credited. Spins credited upon deposits; under £50 =10 Spins, £50 or over =25 Spins; on Book of Dead only (3 day expiry, winnings paid in cash). Play Responsibly.

Top Rated Online Slots:

100% up to 100£
20 Free Spins
  • 0-24 hour withdrawal timeframe
  • High withdrawal limits
  • Mobile friendly
18+. New Customers Only. Minimum deposit £10. 35x wagering requirement apply. Bonus will expire 30 days after opt-in. Further T&Cs apply.
100% up to 200£
no Deposit Bonus
  • Large collection of games
  • Live chat support available 24/7
  • SSL-encrypted
18+. Minimum deposit of £10 (Skrill, Neteller & pre-paid cards excluded) to claim offer. The first 10 spins will be credited upon the first deposit. Login is required during the following four days to claim the remaining 40 spins (10 spins each day). Use claimed spins within 7 days. Spins not played within seven days will be forfeited. 45x wagering on spins winnings within 7 days and £1000 max cashout. £5 max bet during bonus wagering. Game weighting and T&C apply.

How we Rank

To feature on Slots Starz, we review each casino as thoroughly as possible, making sure we only include the very best Online Casinos. They need to earn their stars by showing they’re one of the very best places for UK players to play.

In order to achieve a Slots Starz rating we judge them on several topics, where we have a thorough checklist with questions like:

☆ Bonuses/Promotions

Are their bonuses competitive, engaging and easy to claim? Do they offer a Welcome Bonus/Welcome Package for new players? Do they keep existing members happy with regular promotions? Is it easy to understand their bonuses with clear terms and conditions? Do they reward their loyal players? Plus a through examination of all the promotions on offer.

☆ Software/Games

Do they have sleek and fast graphics? Is the gameplay good? Does it have fast loading times? Is it easy to navigate the site? Is it mobile/tablet compatible? Do they have a varied selection of games? Do they have multiple variations of the same games – e.g. European, American, 3D roulette etc? Do they have table games, slot and live games? and many more

☆ Cashier

Is there a good selection of banking methods? Is the site secure? Is it easy to deposit funds? Are withdrawals processed quickly? Start to finish, is it an easy and quick process?

☆ Customer Support

Do they have an easy to use Help section? Do they have easy to find contact information? Is the information clear, including hours of operation, country codes etc? Do they offer a variety of customer support methods – e.g. Email, Phone, Chat, Mail? Are they quick to respond? Do they offer good service? Are they polite? Are they knowledgeable?

☆ Overall

Before we give an online casino a Slots Starz rating we’ll answer all the above questions and more, and we’ll need to get a big YES to all of them to issue our Slots Starz approval. Of course all casinos will also need to be mobile and tablet compatible and be UK regulated to meet specific standards for fairness, safety and security. Read our reviews for more info on each of the Slots Starz Casinos.