Best Online Casino Bonuses

Best Casino promotions & spin offers 2021

Best Casino Bonuses Online

Free spins, bonus cash, free play – where do you begin? With hundreds of welcome offers available at top UK casinos, we've handpicked our selection of the most generous online casino bonuses and fairest terms and conditions to help make your decision easier. Get the most out of your first deposit by choosing the newest and best online casino promotions available in 2021.

Related categories: Casino Cashback | High Roller Casino BonusesFree Spins Offers

Best Casino Bonuses Online
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However, we only recommend brands that we believe are safe, fair and trustworthy. The commission we receive does not affect the impartiality of our content.
1

Sun Vegas

73%
73%

100% Deposit
Match up to £300

Over 18s and new players only.

Sun Vegas is the newest online casino from the same company that bought you the fantastic Sun Bingo, offering a mobile friendly design and a name you can trust. Enjoy live casino games and hundreds of slots with a generous 100% match welcome bonus up to £300! 

Terms & Conditions: 100% bonus up to £300 on your first deposit · New Customers Only · Min Deposit £10 · 50x WR ·  Offer must be accepted within 72 hours. Bonus Valid for 30 Days · Max bet restrictions apply · Bonus can't be withdrawn. Bonus can only be spent on Slot Games · Skrill/Moneybookers and Neteller are not valid for this promo · Real money balance can always be withdrawn.

  • Min Deposit: -
  • Launched: 2018
2

888casino

82%
82%

Up to £100
Match Bonus

Over 18s and new players only.

888Casino has been dominating the online casino industry since 1997 and shows no signs of slowing down. Sign up today and be treated to £88, no deposit required. Plus, claim a 100% welcome bonus up to £100 and play the huge range of casino games including 888’s exclusive Millionaire Genie progressive jackpot.

Terms & Conditions: New players only • £20 min deposit • 100% up to £100 Bonus • Bonus wins are capped at £500 • To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days • Wagering req. vary by game • This offer may not be combined with any other offer • Deposit balance is available for withdrawal at any time. T&Cs apply.

  • Min Deposit: £20
  • Launched: 1997
3

Casoola

82%
82%

100% Bonus +
200 Free Spins

Over 18s and new players only.

Casoola is bringing online casinos into the 30th century! With a futuristic theme and over 1300 games, there's plenty of reason to check out your next favourite casino. Sign up and deposit for a huge 100% bonus up to £300 and 200 free spins on Reactoonz!

Terms and Conditions: 18+ Full T&C's Apply New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on preselected games will be credited instantly + then 20 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms.

  • Min Deposit: £10
  • Launched: 2020

Duelz Casino are offering a particularly eye-catching welcome bonus to new players, receive a 100% bonus of up to £100, as well as 100 free spins on Book of Dead on your first deposit. They also have other promotions up for grabs, including the Mega Moolah Jackpot, one of the biggest online jackpots in the world, and the opportunity to get 10% cashback every week

Terms & Conditions: 18+ new players only. Minimum deposit: £20. Maximum £100 bonus. Max bet with an active bonus: £2. Wagering requirement 100% match bonus: 30 times sum of deposit + bonus. Max redeemable from welcome bonus: £500. 100 Free Spins are given out 20 per day on Book of Dead for 5 days in a row, log in each day is required. Max Free Spins winnings: £100. Winnings from Free Spins are credited as bonus money with a wagering requirement of 45 times. Free Spins expire after 3 days. Full T&C's apply.

  • Min Deposit: £20
  • Launched: 2021
5

Play Magical Casino

80%
80%

150 Free Spins
+ £150 Bonus

Over 18s and new players only.

New to the market, Play Magical adds a sprinkle of magic to your gameplay! Hosting a huge selection of the best slot games, why not see if Play Magical is going to be your new favourite site. And with a huge welcome bonus of £150 welcome bonus and 150 free spins you'll be spoilt.

Terms & Conditions: First 3 Deposits only. Min deposit £10 1st and 2nd deposit, min £20 3rd. Max cumulative bonus £150 and 150 spins. Bonus match amount varies per deposit. Spins awarded on one of four chosen games. 50x wagering on Deposit + Bonus, 50x on bonus spins. 10x max bonus conversion or £5,000, whichever is lower. £5 max bonus stake. Full T&Cs Apply.

  • Min Deposit: £20
  • Launched: 2019
6

PlayOJO

93%
93%

Up to 50 Wager
Free Spins

Over 18s and new players only.

Join the UK’s fairest casino and enjoy zero wagering requirements and uncapped bonus winnings. PlayOJO is offering up to 50 free spins on Book of Dead on your first deposit with all winnings paid in real cash. With cashback on every spin, a dedicated loyalty plan and an exclusive reward wheel, PlayOJO is heaving with casino bonuses.

Terms & Conditions: 1 free spin credited for every £1 deposit. Up to 50 free spins valued at £0.10 each on Book of Dead. Min. deposit £10. First time depositors only. Rewards and game play policy applies.

  • Min Deposit: £10
  • Launched: 2017
7

Voodoo Dreams Casino

78%
78%

£50 Bonus +
50 Free Spins

Over 18s and new players only.

After taking Germany by storm, Voodoo Dreams has finally launched in the UK. The welcome offer includes a 100% first deposit bonus up to £50 and 50 free spins on Book of the Dead. With an attractive VIP scheme too, you won't need voodoo magic to make you sign up and start playing!

Terms & Conditions: 18+ new players only. Maximum bonus: £50. Minimum deposit: £20. Max bet with active bonus: £2. Wagering requirement 100% match bonus: 30 times sum of deposit + bonus. Winnings from Free Spins come as cash. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus.

  • Min Deposit: £10
  • Launched: 2016
8

bgo Casino

78%
78%

Spin the Wheel
Win 500 Free Spins!

Over 18s and new players only.

bgo is one of Blueprint's biggest and most popular casino sites. Sign up to bgo casino and deposit £10 to win up to 500 free spins by spinning the Mega Wheel!

Terms & Conditions: 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. Full T&Cs apply.

  • Min Deposit: £10
  • Launched: 2012
9

Casino Gods

80%
80%

Up to £300 Bonus
+ 300 Free Spins

Over 18s and new players only.

With a welcome offer this generous you'd be crazy to miss this. Treat yourself like a god and claim this welcome bonus of up to £300 and 300 free spins! 

Terms & Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 30 Spins on pre-selected games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms -  www.begambleaware.org

  • Min Deposit: -
  • Launched: 2019
10

Casino Cruise

87%
87%

£1,000 Welcome
Bonus + 200 Spins

Over 18s and new players only.

Casino Cruise offers an exceptional experience with their amazing design, weekly promotions and hundreds of games. The game is owned by Genesis Global Limited and, as the name probably says, it has a cruise theme.

The website is mobile-friendly and offers a great selection of Netent games. To begin, there's a variety of promotions waiting for you which is why newbies like Casino Cruise so much. Even if you're a seasoned user, Casino Cruise offers promotional offers every single week –what more could anyone ask for?

Terms and Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on Starburst games will be credited instantly + then 20 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org

  • Min Deposit: £20
  • Launched: 2014
11

Vegas Hero

89%
89%

£200 Cash Bonus 
+ 50 Free Spins!

Over 18s and new players only.

Vegas Hero is a bold online casino with a fresh red, white and black colours scheme and a £1000 welcome package! Newcomers can claim a 100% bonus worth up to £200 on their first deposit, plus get 50 free spins on top slots. There is also a 50% bonus available on your second deposit worth up to £200, then 25% bonuses on your third and fourth deposits, both worth an extra £300 each!

Terms & Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 10 Spins on pre-selected games will be credited instantly + then 10 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms. www.begambleaware.org

  • Min Deposit: £10
  • Launched: 2017
12

Spela Casino

82%
82%

100% up to £200
Plus 100 Spins

Over 18s and new players only.

Spela Casino is the home to the best online slot games and live casino tables. Sign up and claim a huge 100% welcome bonus and 100 free spins when you deposit £10. Join thousands of other players at the live tables and start the fun.

Terms & Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on Starburst games will be credited instantly + then 20 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org

  • Min Deposit: -
  • Launched: 2018
13

Spinit

84%
84%

200 Free Spins
on First Deposit

Over 18s and new players only.

SPiNiT casino boasts a strong collection of over 1300 slot games from top software providers such as Microgaming, Red Tiger, NetEnt and Play’n Go available around the clock, making it one of the best sites for slots. Join SPiNiT today and make your first deposit to get 200 free spins and up to £200 in bonuses. 

Terms and Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 20 Spins on Starburst will be credited per day for 9 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org

  • Min Deposit: £10
  • Launched: 2016
14

Sloty Casino

87%
87%

Up to 500 Spins
on Starburst

Over 18s and new players only.

Sloty Casino is a slots specialist with a massive selection of slot games to suit all players. You will find all the latest video slots here from the industry’s top developers. On arrival at the site players are introduced to a homepage among the clouds where you can see a logo with wings and the tagline ‘City of Slots’!

First time depositors can claim a 100% welcome bonus worth up to £300 at Sloty Casino, plus enjoy 300 free spins paid out at 30 freebies per day for 10 days. Other top promos include bonus free spins every week and happy hours. For those looking for more than slots, you’ll also find live dealer games, exciting roulette tables and progressives.

Terms and Conditions: 18+ Full T&C's Apply. New players Only. £10 min deposit. £5 max bet using bonus. 40 x wagering applies. Bonus valid for 14 days. 30 Spins on pre-selected games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Skrill + Neteller excluded. Always refer to Bonus Terms - www.begambleaware.org

  • Min Deposit: 10%
  • Launched: 2017
15

NY Spins

76%
76%

100% Bonus +
50 Free Spins

Over 18s and new players only.

Now available in the UK, new players depositing at NY Spins for the first time can take advantage of a 100% deposit match up to £50. This gives new players up to £100 to play with for only depositing £50, plus 50 free spins on Book of Dead that come with no wagering requirements!

If you continue to play you can collect points that allow you to unlock bonuses, such as free spins and bonus funds.

Terms & Conditions: 18+ new players only. Maximum bonus: £50. Minimum deposit: £20. Max bet with active bonus: £2. Wagering requirement 100% match bonus: 30 times sum of deposit + bonus. Free Spins winnings come as cash. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus.

  • Min Deposit: £20
  • Launched: 2017
16

Lottomart

73%
73%

Deposit £10 +
Play with £20

Over 18s and new players only.

Lottomart's mobile app is a fresh and unique way to enjoy slot games on the go. With a wide variety of scratchcards and lotto betting too, there's plenty to enjoy here. New users can take advantage of Lottomarts welcome pack, where a £10 deposit will get you 100 free spins worth £20.

Terms & Conditions: New players only. Deposit £10 and buy the welcome bundle to recieve 100 Free Spins = 25x @ 20p Lara Croft Temples and Tombs free spins. 50x @ 20p Queen of the Crystal Rays free spins. 25x @ 20p Jungle Jim and the Lost Sphinx free spins. No wagering requirements. Full T&Cs apply.

  • Min Deposit: £10
  • Launched: 2017
17

Karamba Casino

91%
91%

100 Spins + up
to £50 Bonus

Over 18s and new players only.

With a huge 100 free spins and up to £50 bonus up for grabs this is one of the biggest and best casino bonuses available on the market. And as Karamba is one of the favourite online casinos , with everything from casino to slots available - there's no mistake that this is the best offer around!

Terms & Conditions: 18+, Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirement apply 35x. Offer valid for 72hr. 100 spins includes 3 deposit. Full terms and conditions apply.

  • Min Deposit: £10
  • Launched: 2005