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Best Slot Sites UK | Discover the Best Slot Websites of 2023

By Guy Evans on

TopRatedCasinos.co.uk is dedicated to helping customers find the best place to play online. Your safety and well-being is a priority, which is why all of our expert casino reviews are 100% honest and unbiased, and we highlight the key terms and conditions of every casino bonus we advertise. Whilst we accept commission from the casinos on our list of recommendations, and this may affect where they’re positioned on our lists, we only recommend casinos that we truly believe are safe and fair.

TopRatedCasinos.co.uk is dedicated to helping customers find the best place to play online. Your safety and well-being is a priority, which is why all of our expert casino reviews are 100% honest and unbiased, and we highlight the key terms and conditions of every casino bonus we advertise. Whilst we accept commission from the casinos on our list of recommendations, and this may affect where they’re positioned on our lists, we only recommend casinos that we truly believe are safe and fair.

Creative themes, varied mechanics, and bonus bonanzas — at the best slot sites, there’s no shortage of entertainment at the reels.

Here at TopRatedCasinos we’ve broken down the broad and frankly overflowing world of online slots and where to play them, so that you can cut through the noise and head straight to the action. It’s simple: read through this guide, find your ideal slot site, and start spinning.

Top UK Casinos for Online Slots - December 2023

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icon Expert Reviews
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Rank Online Casino Casino Rating Sign-up Bonus Payout speed Key features Sign Up Review Terms & Conditions More information Slots
1

50 Free Spins Upon Deposit No Wagering

Payout Speed
Instant - 6 days
1000
  • Huge Choice of Games
  • Live Dealer Tables
  • Great VIP Club Perks
Claim Bonus
James Langley
"MagicRed knocks it out the park when it comes to flexible payment methods, including my favourite e-wallet service: AstroPay."
James Langley
18+. New Players Only. Terms and Conditions Apply. Available only on Big Bass Bonanza game. Min. Deposit £10. Offer valid for 24 hrs. No wagering required. See full terms
18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • Bank Transfer Logo
  • MasterCard Logo
  • Visa Debit Logo
  • PayPal Logo
  • Trustly Logo in green
  • skrill logo
  • Astropay Logo
  • Paysafecard logo
Payout Rate
Payout Rate
98%
Software providers
  • Hacksaw Gaming
  • Amaya
  • Evolution Gaming
  • iSoftBet
  • Microgaming
  • NetEnt
  • NextGen Gaming
  • Nolimit City
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
2

100% up to £100 + 10% Cashback

Payout Speed
Instant - 5 days
1600
  • Excellent Live Casino
  • Perfect for Both High and Low Limit Games
  • 400+ Casino Games
Claim Bonus
Marcus Lawrence
"All British Casino's lifetime 10% cashback offer is fantastic, and I fully recommend it to players looking for great value."
Marcus Lawrence
#AD New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Click here for full T&Cs
18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • Bank Transfer Logo
  • MasterCard Logo
  • Visa Debit Logo
  • skrill logo
  • Paysafecard logo
  • Neteller Logo
  • boku logo
  • Trustly Logo in green
Payout Rate
Payout Rate
97.5%
Software providers
  • PlayPearls
  • Slingo Originals
  • 1x2 Gaming
  • Amatic
  • Bally
  • Barcrest
  • BetGames.tv
  • Big Time Gaming
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
3

100% up to £100 Bonus

Payout Speed
Instant - 5 days
700
  • Brand New Casino
  • Over 700 Games
  • Full PayPal Offering
Claim Bonus
Alice Soule
"One of my favourite casino site designs, Hyper Casino looks unique while still providing all the best games."
Alice Soule
New players only. Min deposit £10. Wagering 45x bonus., max bet £5 with bonus funds. Live casino play excluded with bonus. 100% up to £100 bonus on 1st deposit. Welcome bonus excluded for players depositing with skrill or neteller. No max cash out on deposit offers. Eligibility is restricted for suspected abuse. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • Bank Transfer Logo
  • MasterCard Logo
  • Visa Debit Logo
  • skrill logo
  • Paysafecard logo
  • Neteller Logo
  • ecopayz logo
  • Trustly Logo in green
Payout Rate
Payout Rate
96.5%
Software providers
  • Just For The Win
  • SG Digital
  • High 5 Games
  • Amatic
  • Barcrest
  • Big Time Gaming
  • Blueprint
  • Elk Studios
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
4

100% up to £100 + 50 Free Spins

Payout Speed
1 - 7 days
1317
  • 1,500+ Games
  • Fast & Free Payouts
  • Daily Bonus Spins Reward
Claim Bonus
Marcus Lawrence
"Daily bonuses can be a bit hit and miss, but for my money Play Frank offers some of the best in the UK online casino space."
Marcus Lawrence
New players only. Min deposit £20. Bonuses to a max of £100 + 50 spins. Wagering bonus 35x. Wagering bonus spins 35x. The winnings must be wagered within 21 days. Bonus T&Cs apply 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • MuchBetter Logo
  • Bank Transfer Logo
  • Visa Debit Logo
  • MasterCard Logo
  • PayPal Logo
  • Paysafecard logo
  • skrill logo
  • Giropay Logo
Payout Rate
Payout Rate
95.3%
Software providers
  • Blueprint
  • Evolution Gaming
  • Eyecon
  • iSoftBet
  • Microgaming
  • NetEnt
  • Play'n GO
  • Pragmatic Play
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
5

100% up to £200 + 100 Spins

Payout Speed
Instant - 6 days
900
  • Huge Slot Selection
  • Full Neteller & Skrill Support
  • Super Fast Withdrawals
Claim Bonus
Marcus Lawrence
"I'm a big fan of Luckster's instant payments made directly to and from bank accounts. Huge for fast withdrawal-hungry users."
Marcus Lawrence
Applies only to new depositing players. Minimum deposit £10. Wagering requirement x35. Offer valid for 24hr. Free spins included 3 deposits. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • MasterCard Debit Logo
  • visa debit logo
  • PayPal Logo
  • Paysafecard logo
  • skrill logo
  • Neteller Logo
  • Astropay Logo
  • Trustly Logo in green
Payout Rate
Payout Rate
97%
Software providers
  • Aspire Global
  • Slingo Originals
  • Skywind
  • Evolution Gaming
  • iSoftBet
  • Microgaming
  • NetEnt
  • NYX Gaming
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
6

up to £200 + 100 Bonus Spins

Payout Speed
1 - 5 days
400
  • Exclusive VIP Benefits
  • Tons of Slot Games
  • Private VIP Tournaments
Claim Bonus
First Deposit: 100% up to £50 + 20 Spins on Starburst *Min. Deposit £10 Second Deposit: 50% up to £75 *Min. Deposit £20 Third Deposit: 50% up to £75 *Min. Deposit £20 After first deposit made, customers will get + 20 Spin for the next 4 days 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • Mobile Billing Logo
  • Visa Debit Logo
  • MasterCard Logo
  • PayPal Logo
  • Paysafecard logo
  • skrill logo
  • Neteller Logo
  • Bancontact Logo
Payout Rate
Payout Rate
99.7%
Software providers
  • Tom Horn
  • SG Digital
  • Williams Interactive
  • 1x2 Gaming
  • Betsoft
  • Big Time Gaming
  • Blueprint
  • Core Gaming
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
7

up to £200 Bonus + 100 Free Spins

Payout Speed
Instant - 6 days
984
  • Brilliant Live Casino
  • Instant Withdrawals Available
  • Live Chat Support
Claim Bonus
James Langley
"I'm always up for some free play, and Spin Rio's sizeable welcome bonus works a treat — 100% up to £200 and 100 free spins."
James Langley
Terms and Conditions Apply. New Players only. 18+. Min First Deposit £10. Min Second and Third deposit: 20. Wagering requirement apply 35x. Offer valid for 72hr. Spins expire after 24hr. 100 spins includes 3 deposits. 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • PayPal Logo
  • Paysafecard logo
  • skrill logo
  • Astropay Logo
  • astropay card logo
  • Trustly Logo in green
Payout Rate
Payout Rate
97%
Software providers
  • Bally
  • Big Time Gaming
  • Blueprint
  • Evolution Gaming
  • Microgaming
  • NetEnt
  • Play'n GO
  • Playtech
Features
  • Casino Casino
  • Bingo Bingo
  • Sport Sport
  • Poker Poker
8

100% up to £50 + 50 Free Spins

Payout Speed
Instant - 5 days
571
  • Brand New Casino
  • Modern Design
  • Innovative Game Modes
Claim Bonus
Robbie Evans headshot
"I really like VoodooDreams' neon design, and the spell casting rewards system's regular bonuses are a real treat."
Robbie Evans
18+ new players only. Maximum £50 bonus. Minimum deposit: £20. Deposit Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match deposit bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money without wagering requirement. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Deposit Bonus expires after 30 days if wagering requirement has not been met. Free Spins expire after 3 days. One bonus allowed per person, address, device, IP. www.begambleaware.org For full bonus terms and conditions, please read below. Responsible Gaming 18+ Please Gamble Responsibly. Click 'Claim Bonus' to view the full terms and conditions.
Payment Methods
  • MasterCard Logo
  • Visa Debit Logo
  • PayPal Logo
  • Trustly Logo in green
  • skrill logo
  • Paysafecard logo
  • Neteller Logo