Most Popular Online Casinos

When it comes to playing at an online casino there are thousands out there to choose from. Naturally, some casinos are more popular than others. The reasons for some of the casinos being more popular vary. Ultimately though, it all comes from having a trusted reputation and positive relationships with the casino players. There are a wide selection of games available on the popular casinos and they will often have online sports betting too.

Popular Casinos

Karamba Casino
Karamba Casino Review
UKGC License
Variety of Games
Mobile Friendly
100% Up To £50
100 Free Spins
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement applies 35x. Offer valid for 72hr. 100 spins includes 3 deposit.

Read full terms here CLAIM BONUS
9.1/10
Trust Range Rating 9.1 out of 10 Bonuses 8.7/10 Cash Out Policy 9.1/10 Game Selection 9.2/10 User Experience 9.2/10 Mobile Support 9.1/10 Customer Service 9.1/10
CLAIM BONUSRead Review
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement applies 35x. Offer valid for 72hr. 100 spins includes 3 deposit.

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Jazzy Spins Logo
Jazzy Spins Casino Review
No Withdrawal Limit
PayPal Available
VIP Club
100% Up To £25
60 Free Spins
T&C's apply »

First-time depositors only (+18). Valid until further notice. Min Deposit: £10. Max Games Bonus: £25. To withdraw games bonus & related wins, wager x40 the amount of your bonus. 3x 20Spins (FS). Spins are credited over period of 3 days with 20 Spins each. FS are valid on specific game for 7 days. FS wins cap: 3x £2. FS wins are granted in games bonus after all FS are used and must be wagered x40. Games Bonus wins cap: £100 + the initial bonus amount. Wagering req. vary by game. UK only - deposit balance is available for withdrawal at any time. General withdrawal restrictions & full T&Cs apply.

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8.8/10
Trust Range Rating 8.8 out of 10 Bonuses 9.5/10 Cash Out Policy 9.5/10 Game Selection 8/10 User Experience 7/10 Mobile Support 9/10 Customer Service 10/10
CLAIM BONUSRead Review
T&C's apply »

First-time depositors only (+18). Valid until further notice. Min Deposit: £10. Max Games Bonus: £25. To withdraw games bonus & related wins, wager x40 the amount of your bonus. 3x 20Spins (FS). Spins are credited over period of 3 days with 20 Spins each. FS are valid on specific game for 7 days. FS wins cap: 3x £2. FS wins are granted in games bonus after all FS are used and must be wagered x40. Games Bonus wins cap: £100 + the initial bonus amount. Wagering req. vary by game. UK only - deposit balance is available for withdrawal at any time. General withdrawal restrictions & full T&Cs apply.

Read full terms here. CLAIM BONUS
CasinoLuck Casino Review
Secure
Promotions
VIP Club
100% Up To £50
50 Free Spins
T&C's apply »

Terms and Conditions applies. New players only. 18+. Min deposit £20. Wagering requirement apply 35x. Offer valid for 72hr. See full terms on casinoluck.com

Read full terms here CLAIM BONUS
5.2/10
Trust Range Rating 5.2 out of 10 Bonuses 6/10 Cash Out Policy 3.5/10 Game Selection 7/10 User Experience 5/10 Mobile Support 4/10 Customer Service 5.5/10
CLAIM BONUSRead Review
T&C's apply »

Terms and Conditions applies. New players only. 18+. Min deposit £20. Wagering requirement apply 35x. Offer valid for 72hr. See full terms on casinoluck.com

Read full terms here CLAIM BONUS

Longevity

Some of the more popular online casinos have been around longer than others and have had the chance to establish themselves in the industry. Online casinos date back to 1996 and have grown in popularity ever since. Having traditional casino brands like Grosnevor and Genesis can help to attract customers. Having brands which resonate with players can help with the trust of the casino. It is a fair assumption that if a casino has been licenced for a long time then they will be a fair casino join. 

Bonus Offers

Another factor which determines a popular online casino comes from the offers which they promote to new and existing customers. Pretty much every casino has an enticing welcome offer of some sort. This sign up bonus could be a number of things, the most common being some free spins after a player deposits for the first time. These are a great way for casinos to give something back to players to help entice them to create an account. In addition to this, many casinos offer loyalty bonuses to customers once they have been with them for a certain amount of time. These loyalty bonuses are fairly similar to the sign up offers. Generally, a sign up offer will be more rewarding as it is a one time offer. Casinos that offer the best bonuses tend to be very popular in the gambling world.

Trust

This is without doubt the most important factor in a popular online casino. Trust is absolutely key when it comes to earning popularity. When a player signs up to a casino, they know that they are handing over their own personal details in order to pass the verification process. This should not come as a surprise to someone as it is common knowledge that the casino must verify who you are in order to stop underage gambling. However, people should only hand their information over if they know that they are gambling with a trusted site. If you’re unsure about whether they can trust a casino then it is best to check to see if they have been licenced by the UKGC. You will be able to check this on the UKGC website. Once you’ve established that a casino holds their licence then you can be confident that they are a trusted site to use. For the record, every single casino that is on the CasinoRange website will be licenced by the UKGC and be safe to play. 

Popular Casinos

Karamba Casino
Karamba Casino Review
UKGC License
Variety of Games
Mobile Friendly
100% Up To £50
100 Free Spins
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement applies 35x. Offer valid for 72hr. 100 spins includes 3 deposit.

Read full terms here CLAIM BONUS
9.1/10
Trust Range Rating 9.1 out of 10 Bonuses 8.7/10 Cash Out Policy 9.1/10 Game Selection 9.2/10 User Experience 9.2/10 Mobile Support 9.1/10 Customer Service 9.1/10
CLAIM BONUSRead Review
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement applies 35x. Offer valid for 72hr. 100 spins includes 3 deposit.

Read full terms here CLAIM BONUS
Grosvenor Casino
Grosvenor Casino Review
Reputation
Low Wagering
Loyalty Program
Up To £400 Bonus on Classic Slots
T&C's apply »

100% buy in bonus. min £20 cash buy in to be eligible. Max bonus £400. offer only available on classic slot games. Max £2 stake. 20x wager requirements on total of buy in and bonus amount. Bonus is valid for 7 days. Keep it fun - set your deposit limit. t&cs apply.

Read full terms here CLAIM BONUS
9/10
Trust Range Rating 9 out of 10 Bonuses 8.9/10 Cash Out Policy 8.8/10 Game Selection 9/10 User Experience 9/10 Mobile Support 9/10 Customer Service 9.4/10
CLAIM BONUSRead Review
T&C's apply »

100% buy in bonus. min £20 cash buy in to be eligible. Max bonus £400. offer only available on classic slot games. Max £2 stake. 20x wager requirements on total of buy in and bonus amount. Bonus is valid for 7 days. Keep it fun - set your deposit limit. t&cs apply.

Read full terms here CLAIM BONUS
Griffon casino
Griffon Casino Review
Wide array of slots
Many banking methods
Mobile Compatibility
Up to 200 Bonus Spins
T&C's apply »

18+. Welcome bonus: new UK depositing players only. 200 spins require 3 deposits of min. ‎£20 each and are issued as follows: 50 on 1st deposit, 50 on 2nd deposit and 100 on 3rd deposit. Spins are issued on selected games. Winnings from spins are bonus with wagering requirements 35x. Spins expire after 24 hours. Bonus expires after 21 days. Play responsibly, www.begambleaware.org. T&Cs apply.
Bonuses that require deposit, have to be wagered 35x.

The “Welcome bonus” is the bonus won from the spins granted. Those are the terms & conditions:

Read full terms here CLAIM BONUS
9/10
Trust Range Rating 9 out of 10 Bonuses 9/10 Cash Out Policy 9/10 Game Selection 9/10 User Experience 9/10 Mobile Support 8.8/10 Customer Service 9/10
CLAIM BONUSRead Review
T&C's apply »

18+. Welcome bonus: new UK depositing players only. 200 spins require 3 deposits of min. ‎£20 each and are issued as follows: 50 on 1st deposit, 50 on 2nd deposit and 100 on 3rd deposit. Spins are issued on selected games. Winnings from spins are bonus with wagering requirements 35x. Spins expire after 24 hours. Bonus expires after 21 days. Play responsibly, www.begambleaware.org. T&Cs apply.
Bonuses that require deposit, have to be wagered 35x.

The “Welcome bonus” is the bonus won from the spins granted. Those are the terms & conditions:

Read full terms here CLAIM BONUS
Mayfair Casino London
Mayfair Casino Review
Welcome Bonus
Rewards
Game Selection
100% Up To £400
175 Free Spins
T&C's apply »

New customers only. First three deposit only. Min Deposit £ 10. max total bonus £ 400 and 175 spins.
30x bonus wagering (deposit + bonus), 30x spins wagering, 4x conversion. Selected slots only. T&Cs apply Over 18s only.

Read full terms here CLAIM BONUS
9/10
Trust Range Rating 9 out of 10 Bonuses 9.4/10 Cash Out Policy 8.6/10 Game Selection 9.4/10 User Experience 9.3/10 Mobile Support 8.7/10 Customer Service 8.7/10
CLAIM BONUSRead Review
T&C's apply »

New customers only. First three deposit only. Min Deposit £ 10. max total bonus £ 400 and 175 spins.
30x bonus wagering (deposit + bonus), 30x spins wagering, 4x conversion. Selected slots only. T&Cs apply Over 18s only.

Read full terms here CLAIM BONUS
Casiplay
Casiplay Casino Review
Software Providers
Intuitive Design
Bonuses
100% Up To £100
100 Free Spins
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit 20£. Welcome package split over 3 deposits 35x wagering applies to match up bonus. Offer valid for 1 week. 100 Spins split to 20 Spins a day for 5 days - 50x wagering applies to Spins. Full terms apply.

Read full terms here CLAIM BONUS
8.9/10
Trust Range Rating 8.9 out of 10 Bonuses 9.5/10 Cash Out Policy 7.8/10 Game Selection 9.3/10 User Experience 9.9/10 Mobile Support 8.3/10 Customer Service 8.8/10
CLAIM BONUSRead Review
T&C's apply »

Terms and Conditions apply. New players only. 18+. Min deposit 20£. Welcome package split over 3 deposits 35x wagering applies to match up bonus. Offer valid for 1 week. 100 Spins split to 20 Spins a day for 5 days - 50x wagering applies to Spins. Full terms apply.

Read full terms here CLAIM BONUS

Variety of Games

Competition within online casinos is so fierce that it is absolutely essential that each one has multiple games that their players can play. There are thousands of slot games getting released each year so ensuring the latest games are on site is crucial. The popular casinos do not get left behind in terms of game selection. They will all have the classic casino games such as roulette, blackjack and keno. Casinos like to have something that sets them apart from the competition though. In this regard, you have to really look at the variety of slot games. Slots are some of the most popular games available so having a good selection is vital for a casino to attract customers. There are plenty of slot games getting released each month so all the popular casinos ensure that they keep their game list updated by adding the new online slots to their site. 
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