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400% SLOTS DEPOSIT BONUS

Last Updated: December 30, 2023

Written by Jean Prince

If you want to quadruple your casino deposit, then you should play with a 400% slots deposit bonus.

With a 400% casino deposit bonus, make a deposit of £100 and you will receive an extra £400 giving you £500 to play casino games with.

Below we have listed the best casinos offering a 400% deposit bonus. The casinos listed all adhere to UK gambling laws and regulations so are completely safe for you to play at.

We have also listed the specific terms and conditions of each bonus so that you can ensure to pick the casino offering you the best value.

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5.0 rating
Get a :
100% Deposit Bonus up to £100 + 50 Bonus Spins on Big Bass Bonanza
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep £20. Max bonus bet £5. 1st Dep offer is 100% up to £100 + 50 Bonus spins on Big Bass Bonanza. Spins expire after 10 days, funds after 30 days. Bonus funds separate to Cash. Wager Req of 30x Deposit + Bonus apply. Terms Apply. BeGambleAware.org.
4.8 rating
Get :
100% up to £200 + 30 Bonus Spins on Book of Dead
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware
T&Cs Apply
New customers only

18+. New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply. BeGambleAware.org.
4.8 rating
Get a :
Deposit £10 Get 50 Book of Dead Free Spins (No Wagering Requirements)
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+ Only. 50 Deposit Free Spins on Book of Dead. Min. deposit is £10. New players only. Game: Book of Dead. Spin Value: £0.10. OJO’s Rewards and Game Play policy applies. T&C's Apply
4.8 rating
Get a :
100% Deposit Bonus up to £100
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

#AD New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit, 50% up to £200 on 2nd deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C’s apply
4.8 rating
Get :
100% up to £300 + 25 Extra Spins on Starburst
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware
T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep £20. 100% Matched Deposit bonus up to £300. Spins expire after 21 days of being issued. Bonus funds separate to Cash. Zero Wagering Requirements. Terms Apply. BeGambleAware.org.

PLAY WITH A 400% SLOTS DEPOSIT BONUS

A slot bonus offered by a casino will usually give you a small addition to your deposit in the form of free spins or a 100% match bonus.

The casinos listed on this page will quadruple your initial deposit giving your bankroll a huge boost to play slots for.

TERMS AND CONDITIONS OF A 400% CASINO DEPOSIT BONUS

400% casino deposit bonuses

Bonus terms and conditions should always be checked as many bonuses come with strict requirements.

Some bonuses can only be used on certain slots whilst others have wagering requirements. 

WHY CHOOSE A 400% BONUS?

  • You will quadruple your original deposit
  • Allows you to play a greater number of slot games
  • Gives you a large bankroll without risking much of your own money

OTHER SIMILAR BONUSES

The 400% slots deposit offer is rare to come by today. So just in case you don’t find any with decent wagering requirements, we can recommend to try a 300% slots deposit bonus instead. But don’t like high wagering put you off, our page will help you to beat high wagering requirements.

There is also the 200% slots deposit bonus as well as free spins no wager bonuses.

CONTRIBUTORS

Jean Prince

Greetings, I’m Jean Prince

Jean Prince, also known as ‘The Hawk’ in our newsroom is the editor in chief at SlotsHawk.com. He always keeps a hawk eye on the slots market and never lets anything important slip out of his sight.

Editor in Chief since 2020