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

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
2

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
3

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
4

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
5

Rizk Casino

82%
82%

100% Bonus on
First Deposit

Over 18s and new players only.

Is this site worth the Rizk? We think it is. Rizk Casino from Gaming Innovation Group has a super design and features and even more super welcome offer! Your first deposit has a 100% match bonus up to £50, giving you up to £100 to play with. Also, your first deposit comes with 50 free spins, which is quite the generous welcome! 

Terms & Conditions: Minimum deposit is £10, deposits via Skrill (Moneybookers) or Neteller are excluded from this offer. You can place a maximum bonus bet of £5 per spin when you have the bonus active. New customers only. Game weighting and full terms and conditions apply, see below.

  • Min Deposit: £10
  • Launched: 2016
6

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
7

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
8

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
9

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
10

Fun Casino

76%
76%

100% bonus
up to £123

Over 18s and new players only.

Fun Casino is offering all new players a 100% match bonus up to £123 when they make their first deposit. Join to gain access to hundreds of casino games including Big Time Gaming Megaways™ titles like Who Wants To Be a Millionaire and Starquest.

Terms & Conditions: New players only. Maximum bonus is £123. Max bet with bonus is £5. No max cash out. Wagering is 50x. Skrill & Neteller excluded. Eligibility is restricted for suspected abuse. Cashback is cash, so no wagering. Cashback applies to deposit where no bonus is included. Full T&Cs apply.

  • Min Deposit: £10
  • Launched: 2017
11

PlayUK

82%
82%

100% bonus +
100 free spins

Over 18s and new players only.

PlayUK is a Nektan casino which offers a wide variety of online games, and a generous bonus: for a minimum deposit of £10, new players are rewarded with a 100% bonus up to £100, and 100 free spins on Starburst.   

Terms & Conditions: New players only, 100% Match on 1st Deposit, Min dep £10, max bonus £100 & 100 spins on Starburst, 40x wagering (dep + bonus), 40x wagering on spins, 4x conversion. Full T's & C's Apply.

  • Min Deposit: £10
  • Launched: 2018
12

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
13

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
14

Conquestador Casino

87%
87%

Get 200 Free Spins
+ 100% Bonus

Over 18s and new players only.

Conquestador offers a unique monthly adventure quests where users can earn cash bonuses. With strong branding and excellent welcome bonuses, Conquestador is a great place to play a large variety of popular slots, live dealer games and video poker. New players can claim a 100% bonus up to £100 and 200 free spins when they deposit £20 or more.

Terms & Conditions: 18+. New UK players only. 70 day expiry. Deposits between £20 - £100 matched with 100% Bonus Offer. 40x cash wagering of Bonus amount (30 day expiry from activation). Max bet 20% of Bonus value up to £10. Wagering on table games prohibited. 20 spins for Book of Dead credited upon £20 min deposit (must be activated separately) and then 20 per day until 200 are delivered. Game weighting and full terms apply.

  • Min Deposit: £20
  • Launched: 2018
15

RoyalBet

78%
78%

Up to £200 Bonus
+ 50 Free Spins

Over 18s and new players only.

RoyalBet's welcome bonus offers a generous 100% bonus up to £200, meaning new players can deposit £200 and play with £400 when they deposit using the code RB200! That's not all though, as first time depositors are also treated to 50 free spins on Book of Dead. This bonus gives slots fans looking for a new casino to play on a lot to start with.

Terms & Conditions: First Deposit Only. Min. deposit: £10, max. Bonus £200. Game: Book of Dead, Spin Value: £0.1, Max Free Spins: 50. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Free Spins must be used before deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos.

  • Min Deposit: £10
  • Launched: 2020
16

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
17

Mansion Casino

87%
87%

100% Match Bonus
Up to £500 Cash

Over 18s and new players only.

Join one of the UK’s biggest online casino sites to claim an exclusive welcome bonus of up to £200 on your first deposit. Take your pick of over 400 casino games including Playtech’s exclusive Age of the Gods series and a huge variety of your favourite live table games where buy-ins start from just 50p.

Terms & Conditions:  New customers only. Min deposit £20 max bonus amount £500. First deposit: 100% up to £200. Second deposit: 50% up to £300. Wagering 40x for each bonus. Game weighting applies. Cashback: 5% cashback on first and all other deposits during week 1, 10% cashback on all additional deposits taking place in week 2 only.   Bonus betting limits: slots - $/£/€5 all other games – 10% of the bonus amount.

  • Min Deposit: £10
  • Launched: 2004
18

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
19

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
20

Cheeky Win

82%
82%

Up to £200
or 50 Free Spins

Over 18s and new players only.

Cheeky Win has an impressive welcome package of up to £200 cashback on your first deposit or 50 free spins on three popular slot games. Live casino fans can enjoy over 30 table games from NetEnt and Evolution’s high-quality studios including blackjack, three card poker and speed baccarat.

Terms & Conditions: First deposit only. Min deposit £10. Max 50 bonus spins on selected slots only. 2x conversion. 20x wagering. 20% cashback on losses up to £200 for 48 hours from first deposit. T&Cs apply.

  • Min Deposit: £10
  • Launched: 2017
21

Novibet Casino

87%
87%

£150 Casino Bonus
100% Match

Over 18s and new players only.

Join Novibet today and deposit to double your cash with a 100% welcome bonus to play your favourite casino games. Choose from popular slots like Starburst or Bonanza as well as live dealer table games and progressive jackpots including Microgaming’s famous Mega Moolah.  

Terms & Conditions: 18+ | KYC verified | New UK customers only | Min deposit £10 | Deposit a maximum of £150 to receive 100% bonus | Min 35x wagering (on deposit + bonus) on selected games | Live casino games are excluded from this offer | Game restrictions apply | Neteller and Skrill payment methods are excluded from this offer | FS Valid for 30 days | T&Cs apply | General Promotions Terms Apply

  • Min Deposit: £10
  • Launched: 2010
22

Slot Planet

76%
76%

100% Bonus
Up to £222

Over 18s and new players only.

After launching in 2007, Slot Planet has stood the test of time. The attractive welcome offer favours the number 2, with 100% bonus funds up to £222 available and 22 free spins for your first deposit too. Check out this out-of-this-world casino!

Terms & Conditions: 18+. New players only. Min deposit £20. Bonus spins valid on Starburst only. Bonus funds are 100% up to £222 and separate to Cash funds. 35x (bonus only) wagering requirements. Only bonus funds count towards wagering requirement. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days, otherwise any unused shall be removed. Terms Apply. BeGambleAware.org

  • Min Deposit: £20
  • Launched: 2007
23

Playzee Casino

89%
89%

100% Bonus 
+ 100 Free Spins

Over 18s and new players only.

Go wild for this offer at Playzee and enjoy any one of hundreds of slot games and casino games. Among the top slot sites, with Playzee you can enjoy a wide range of games on offer and spin more than ever with 100 free spins and 100% bonus, up to £300 when you sign up.

Terms & Conditions: 18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org

  • Min Deposit: £20
  • Launched: 2018
24

Crazy King Casino

67%
67%

Win Up To
500 Free Spins

Over 18s and new players only.

Crazy King Casino gives new players the chance to spin the Mega Reel to win up to 500 free spins on NetEnt’s popular slot game – Starburst! Join today and you can claim double cash during your first month, plus get treated to weekly bonuses including the opportunity to win a free pizza every Sunday!

Terms & Conditions: New players only, min deposit £10, £8 max win per 10 spins, max bonus conversion £250, 65x wagering requirements and full T&Cs apply.

  • Min Deposit: £10
  • Launched: 2018
25

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
26

Yako Casino

73%
73%

22 Free Spins
After Registration

Over 18s and new players only.

Sign up to Yako Casino to claim 22 no deposit spins. Go on to deposit £10 or more to get up to £222 bonus cash to spend on hundreds of popular casino games including progressive jackpots, live casino dealers and your favourite slot games like Gangster Paradise and Mega Joker.

Terms & Conditions: Min. deposit £10. Wager requirements are 40x bonus. Max. £100 withdrawal for registered players who have not yet made a deposit. Bonus funds max. bet is £5. Bonus is excluded for payments made with Skrill/Neteller. Further T&Cs apply.

  • Min Deposit: £10
  • Launched: 2017
27

Casino.com

82%
82%

100% Match Bonus
+ 180 Free Spins

Over 18s and new players only.

Casino.com is home to huge slot games, massive progressive jackpots and ample promotions. Join today and get 20 free no deposit spins plus, make your first deposit to double your cash and get a further 180 spins! You can find exclusive Playtech slot games including The Dark Knight Rises, Age of the Gods and Grease.

Terms & Conditions: New customers. Spins: 20 on registration, 180 after deposit, winnings given as bonus funds, 20x wagering. Spins and bonus wagering on age of the gods games only. Welcome bonus: £20 min deposit, max bonus £100, wagering 40x. Game weights apply. Betting limits - slots: £5 all other games: 10% of bonus amount.

  • Min Deposit: £15
  • Launched: 2007
28

BetVictor Casino

78%
78%

Wager £10
Get £70 Bonus

Over 18s and new players only.

Join BetVictor today and wager £10 to claim a £90 casino bonus. With over 700 casino games, you can choose from jackpot favourites like Mega Moolah and Hall of Gods or if table games are your thing, BetVictor has a great live selection including roulette, poker and blackjack.

Terms & Conditions: New Customers only. Deposit and wager £10 within 7 days of opening new account. £90 bonus = 1 x £15 bonus, 2 x £20 bonus and 1x £25 bonus (for selected games, up to 60x wagering applicable) + 1 x £10 Price It Up Free Bet. Bonuses expire 3 days after crediting. Credit and Debit cards only. Geographical Restrictions and T&Cs Apply.

  • Min Deposit: £10
  • Launched: 2011