Best Slot Sites In The UK- Top 20 Online Slots in 2020

Slots is said to be one of the most popular games played on an online casino in the UK. This is mostly because it is an easy to learn game with stunning graphics. Due to the high number of slot sites in the UK, players have a difficult time finding the right one. Not to worry, our team has taken care of that for you. We have made a list of both established and new slot sites with the latest slot games and mouth watering bonuses you can imagine. Browse through them and you’ll definitely find a good site to play slots online.

Listed below are online casinos where you can play slots online:

  • Ladbrokes
  • Playzee
  • Bcasino
  • Campeon UK
  • Play OJO
  • MrQ
  • 777
  • All British Casino
  • BetRegal
  • 32Red
  • Cosmic Spins
  • Aspers
  • LeoVegas
  • Betfair Casino
  • Live Roulette
  • Jackpot Village
  • Coral
  • The Sun Vegas
  • Unibet
  • 888 Casino

Why Online Slots Are The Real Deal?

No Complications

Slot games have very little to no ambiguity compared to other online casino games. You need no skill or strategy to excel in it, just tap spin and you’re in. However, its simplicity doesn’t mean its not engaging; lively animations, superb bonuses and entertaining themes guarantee you a fun time.


No matter your level of experience and pocket size, there is a slot game for you. If you also wish to play for free, you can do so with free demo games.


Slot games have an assortment of games that rival even classics like blackjack and roulette. Slot games are made by virtually every software developer, meaning that there is surely a game suited for everyone’s taste.

Steps To Follow When Playing Slots Online

Whatever be your reason for playing slots online, whether for money or fun, this is how to get started.

  1. Study The Paytable

This give you an idea of how much you stand to earn based on the amount you bet, as well as your maximum and minimum stake options.

  1. Determine Your Stakes

Coins are used in lots of slot games for betting and attached to them are real currency values. Players are allowed in some sites to determine what value the coins should have while others automatically set it themselves.

  1. Choose Your Paylines

Multiple paylines are features of most slot games and the more lines you bet on, the more chances you have of winning.

  1. Hit spin

The moment you are satisfied with your wager, then hit spin and you are all set. If you win, your casino account will be credited.

Different Variations Of Online Slots

Let us look at the three major groups of slot games:

Classic Slots

UK’s best slot sites have a lot of slot games that have been designed to play like classic slot machines. These games usually have 1 to 5 paylines and promise to take you back memory lane.

Video Slots

Most slot games come in this format. They have become very popular due to their combination of HD graphics, fun symbols, lively pop culture themes and vibrant animations. They also feature multiple paylines and some provide up to a thousand ways to land a win.

Progressive Jackpot Slots

These give you the chance to play for mega prizes. They increase with each new wager and can grow into millions. Those who play for the jackpot will be required to make the maximum bet. Players with modest budgets also have good chances of winning big with progressive jackpot slots.

Real Money Slots For You

If your desire shifts from playing for fun to playing for money, then you’ll have to deposit real money to be well positioned to win. However, you don’t have to break the bank to play online slots. Slot games can be as low as 1p per spin and at the same time can run into hundreds for those going for the big kill.

Free Slot Games

Free slot games help you play slots online even without any deposit. It also comes in handy for beginners trying to get acquainted with slot games. A good number of UK slot sites have this feature, but be rest assured that you won’t really win money playing free slot games.

New Slot Sites

New slot games are released monthly. Meaning that players don’t have to keep circling around the same slot game more than necessary. New slot sites are usually exciting to visit, not only because they have the latest games, but also because they feature exciting bonuses, leaderboards and fresh designs.

Popular Slots Software Providers

We have compiled a list of the top industry slot software providers:


With a market moving game series like The Age of the Gods, Playtech has remained among the best online slot software companies. The company won the EGR Slots Provider of the Year back in 2013 and there has been no stopping their award collection. More of their slot games include Superman, Gladiator, Goblin’s Cave, White King, Ugga Bugga and Jackpot Giant.


This ranks among the top casino software developers and the proof of this is their high quality slot games collection. Some of their slot game titles include Gonzo’s Quest, Jack and the Beanstalk and Starburst. In 2016 at the EGR Awards, NetEnt received the gong for Innovation in Slot Provision. In 2019 at the GGA’s London awards,  Jumanji slot was awarded the Casino Product of the Year.


This was awarded the EGR Innovation in Slot Provision back in 2011 and also the iGaming Software Supplier in 2018 at the International Gaming Awards. Its popular titles include Jurassic Park, Hot Ink and Thunderstruck.

Enjoy Mobile Slots

Slot games make perfect mobile companions and that is why it is important to find top quality mobile casino sites that offer engaging slot games.

Designed For Mobile

Previously made using Flash, online slots are now created using HTML5 by top developers. These developers now design slot games specifically for  mobile devices.

Web Page Or Native App?

It will be very difficult to find an online casino without a mobile website. This feature lets users play slots online through their mobile phone browser. However, top casinos also have apps created to work mainly on mobile devices which provides even higher quality gaming experience.

Free Casino Bonuses For Slots

Here we shall consider the various bonuses available to online slot players.

Matched Deposit Bonus

Sites that offer this bonus will top up your initial deposit according to the percentage match they have designed. They are more flexible than free spins because they let you play additional games like blackjack and roulette, instead of restricting you to only online slots. They range from 50% to 200%.

Free Spins

To remain longer in the game, one strategy to utilize is free spins. This will help increase your slots bankroll. This is usually awarded to new players after their first deposit. The number of free spins differ from one site to the other. Some offer 20 spins while others can go as high as 200.

No Deposit Free Spins

This lets you have a feel of the game with zero deposit. After signing up and verifying your account, you can go ahead to claim this reward. The spins, though not many, can help you win real money playing slots online. There are usually between 10 to 20 no deposit free spins.

Regular Promotions

As long as slot games are concerned, everyone is entitled to bonuses, both old and new players. Promotions like reload bonuses, VIP bonuses and happy hour free spins are designed to keep existing players coming back.

Terms And Conditions For Bonuses

Everyone loves bonuses even though they aren’t without conditions. Here’s what to look out for before grabbing a bonus offer.

Game Restrictions

Some online slot games are not permitted to have free spin bonuses. They are usually reserved for particular titles or for the newest slot games in the market.

Wagering Requirements

This usually involves wagering whatever you win from your free spins. This will be done for a certain amount of time before your winnings can be released to you. Requirements vary across slot casinos.

Wagering Contributions

Certain games are cooperative with your wagering requirements while others are not so enthusiastic. Some slot game bets can yield 100% to settle your wagering requirements, while others can only give out a meager 10%. An example of this are table games, which is sometimes excluded.

Time Limits

There’s always an expiration date attached to slot bonuses and wagering requirements. Failure to use them early will result in forfeiture. Some slot sites have their bonuses set to expire after 30 days, some within a few days.

Max Win Limits

If you plan on using your free spins bonus to land the jackpot, it will be wise to come up with another plan. Even if you eventually hit the jackpot, you may only see a fraction of your winnings to withdraw.

In-game Slot Bonuses

These bonuses are designed to help you boost your gameplay.

Sticky Wilds

These fasten to the reels for a specific number of spins to give you a boost to win on the next turn.


These usually unlock features like mini-games, free spins and bonus rounds at its appearance on a reel.


The symbols are highly sought-after because they aid winnings. They more of them you have, the more your chances of winning.


Wild symbols help you by replacing other symbols to hit a winning combination.

Stacked Wilds

They can cover entire reels by stacking up on each other just for you to have some wins.

Expanding Wilds

They create more winning chances by expanding to replace other symbols across the reels.

The Return To Player (RTP) Feature

This is very important in online slot games. It is a set percentage which an online slot game must use to calculate payouts after a given gameplay period. For instance, say the RTP of an online slot is 90%, your payout will be around 90p for a wager of £1. The RTP comes already configured by software developers. The UKGC is the body that ensures there’s no foul play in the use of RTP and that each game’s RTP is up to date and accurate.

Slot Variance

For a particular slot, variance has to do with the size and frequency of its wins. A game with low variance will pay out small amounts frequently. As for high variance, the slot will provide more chances for big wins but its payout will be less frequent.

Online Slot Site Selection

Take the following factors seriously when comparing online slot sites.

Games Library

If you have a favourite already, check if it’s available on the online slot site before signing up. If you have none yet, feel free to go through the selection to check if you’ll like the available online slot games.

Bonus Terms

Don’t opt-in before understanding the bonus conditions. Some bonuses look very appealing because of their many free spins but in the end, a smaller bonus would be more beneficial.

Banking Options

Top UK online slot sites have various banking options that will make your deposits and withdrawals easy. However, be informed that not all support pay by phone bill payments and Paysafecard deposits.

Mobile Compatibility

If you enjoy playing slots online through your mobile device, then make sure the online slot site is mobile friendly. Most of UK’s top online slot sites have apps that you can download if you don’t want to make use of your mobile web browser.

Withdrawal Terms

Terms are not only written for bonuses. The withdrawal of your winnings could be affected too, so do well to check your payment options. Don’t settle for an online slot site without first comparing its processing time, minimum withdrawal limits and withdrawal banking options with others.

Customer Support

You may end up not having to contact the customer service, but just ensure it is operational. Find out what time it’s available and the best way to pass across and receive information from it. Most UK online slot sites have a 24/7 customer service and can be reached through email, live chat and telephone.