Best Slots Bonuses

On our First Deposit Offers page you will find some of the UK’s best slots and casino sites that offer new players a generous first deposit bonus. We have some huge first deposit promotions, which include big amounts of bonus funds and bonus spins, and with minimum deposits as little as £1, we are sure we have an offer for every type of player.

First deposit bonuses are a great way to give your funds a boost when you are trying a slots or casino site out for the first time, but make sure you read and fully understand those pesky terms and conditions as you will need to strictly follow them to get the most out of the bonus. But do not worry as we include all the important terms and conditions in the offer descriptions on this page so you will know exactly what you get, how to get it and what you need to meet the offers T&Cs before making a decision.

With so many amazing first deposit offers from so many great sites, how are you going to decide which bonus to choose?

Casino BonusSummary 
Fun Casino OnlineFun Casino£998 Bonus Funds + 111 Spins*

*New players only, max bet £5, 11 fun spins for registration (max withdrawal is 100). 50% up to £499 bonus +100 fun spins on 1st deposit, 50% up to £499 bonus on 2nd deposit. No max cashout on deposit offers. 18+ Gamblin can e addictive, play responsibly. T&Cs apply.

The best games, great graphics & design, top class customer service, and amazing offers!Play
Casino Calzone OnlineCasino CalzoneHoly Calzone!

Roll up, roll up! Take a spin on the Holy Calzone! Earn Cal's Cash by playing slots & use your Cal's Cash on spins of the wheel!

Casino Calzone is a fun, quirky new online casino. Casino Calzone has an excellent mobile casino.Play
Casino Cruise CasinoCasino Cruise100% up to £200 + 200 Bonus Spins*

*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. Minimum £5 wager to activate 200 Spins. 20 Spins on Starburst will be credited per day for 10 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.

Great games, amazing welcome offers and life changing competitions, this site is very exciting!Play
Casinoland OnlineCasinolandUp to £800 Bonus*

*New customers only. Opt-in required. 1st deposit bonus 100% up to £200. 2nd deposit bonus 50% up to £200, 3rd deposit bonus 25% up to £200, 4th deposit bonus 25% up to £200. 40x wagering, 30 days to complete wagering, game weighting and game restrictions apply. Max Bet with bonus funds £5. Neteller/Skrill deposits excluded, cash balance can be withdrawn at any time. Full bonus terms.

Casinoland is a well-established, popular online casino. Casinoland offers a fully compatible mobile casino.Play
Karamba CasinoKaramba CasinoUp to £200 Deposit Bonus + 100 Spins*

*Terms and Conditions apply. New players only. 18+. Min deposit £10. Wagering requirementapply 35x. Offer valid for 72hr. 100 spins includes 3 deposit. See full terms here.

Their modern interface is perfect for all slot players. Easy to flick between desktop and your mobile. Play
Mr Green CasinoMr Green Casino100% up to £100 on 1st Deposit + Up to 200 Bonus Spins*

*T&Cs apply. New players only. 18+. 35x wagering applies to Bonus Cash and Bonus Spins. Deposit of £20+ unlocks a 100% Match Bonus up to £100 in Bonus Cash, subsequent wager of £20+ on slots unlocks 100 Bonus spins & 5 days of 20 Bonus spins. Bonus Spin Games: Starburst, Asgardian Stones, Gonzo's Quest, Finns & the Swirly Spin, Aloha or Fruit Spin.

Mr Green is one of the coolest & fun casino’s around. Mr Green delivers on any device! You must try it on your mobile!Play
666 Casino Online666 Casino100% up to £666 + 66 Bonus Spins

*18+. New players only. One bonus offer per player. Minimum deposit of £20, Max bonus bet £5 Bonus offer must be used within 30 days & bonus spins within 10 days, otherwise any unused shall be removed. Bonus spins are valid on the Guns'n Roses game only. Bonus funds are 100% of your first deposit up to £666 and 50% of your second deposit & third deposit up to £666 Bonus funds are separate to Cash funds, & are subject to 35 x wagering the total of bonus, cash & bonus spins. Terms Apply.

666 Casino has a fun, feisty attitude. To access 666 mobile you just have to load up the casino homepage.Play
Island Jackpots CasinoIsland Jackpots CasinoDeposit £10 Get 25 Bonus Spins!*

*First-time depositors only (UK exc NI 18+). Min Deposit: £10. Max Offer: 25 Free Spins on Sharknado. Free Spins Winnings will be capped at £2.50 and credited to your real money balance. Promo code: PLAY25. Valid until further notice. Withdrawal restrictions and full Ts&Cs apply.

Huge jackpots that you can track with the ‘Jackpot Tracker’.Play
bCasino OnlinebCasinoUp to £1200 Bonus Funds + 100 Bonus Spins*

*New players only. £20 deposit minimums. Bonus split over first 3 deposits: 1st - 100% bonus up to £500 + 50 free spins; 2nd - 50% bonus up to £200; 3rd - 125% bonus up to £500 + 50 free spins. BONUS: 30X wagering deposit + bonus. £5000 max winnings. FREE SPINS: Book of the Dead only. Winnings given as bonus funds. 25X wagering. £100 max winnings. Full Welcome Package Terms below.

Play at one of the coolest new casinos in the UK, complete with a British theme! A great responsive site with everything a mobile player could want!Play
Casiplay Casino OnlineCasiplay Casino100% up to £900 + 120 Extra Spins*

*Max bet limitations per spin apply. 35x wagering requirements apply (i.e the bonus x35). Higher wagering requirements may be applied depending on the games played. 18+. T&C apply.

With over 600 amazing online slots, you'll never be stuck for something to play!Play
GoPro Casino OnlineGoPro CasinoUp to £100 Welcome Bonus + 100 Spins*

*Terms and Conditions apply. New players only. 18+. Min Deposit £20. Spins split over three days, 35x wagering applies to spins.

Blast off with the Go Pro Casino.Play
Unibet Casino OnlineUnibet CasinoDeposit £10 – Get a £40 Casino Bonus*

*18+. New Customers Only. Minimum Deposit £10. 35x wagering requirement apply. Bonus will expire 30 days after opt-in. Further T&Cs Apply.

Unibet is one of the big guns when it comes to wagering. Play

Slots and casino welcome packages can be huge, with a serious amount of free spins on signup and bonus funds available, split across your registration, 1st, 2nd, 3rd, and even 4th and 5th deposits. If you know that you will be making multiple deposits on a UK slots or casino website then you should definitely consider taking one of the amazing welcome packages available below.

We not only bring you the best welcome packages in this list, but we also give you the full breakdown of each aspect of the offer package so that you know exactly what you are getting. As with all slots and casino welcome offers, there will be requirements and conditions set that you must adhere to so make sure you read the full terms and conditions before committing to an offer. Slots and Casinos are constantly launching new welcome package offers so make sure you check back often to find the best new offers.

Now all you need to do is decide which of the fantastic welcome packages is the perfect one for you.