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400% SLOTS DEPOSIT BONUS

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 £200 + 100 Bonus Spins on Super Stars
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. New players only. Min deposit £10. Bonus funds are 100% up to £200. Bonus funds are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days. Spins credited after third deposit. Affordability checks apply. Terms Apply.
5.0 rating
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50% Deposit Bonus up to £50 + 40 Bonus Spins on Starburst
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. New players only. Min deposit £20. Bonus funds are 50% up to £50. Bonus funds are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days.. Affordability checks apply. Terms Apply.
4.8 rating
Get a :
100% Deposit Bonus up to £300 + 100 Bonus Spins on Starburst
18+. Min deposit £20. New players only. T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

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.
4.8 rating
Get a:
100% Deposit Bonus up to £100 + 100 Bonus Spins
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. One bonus offer per player. Min deposit £10. Max bonus bet £5. Bonus funds must be used within 30 days & bonus spins within 10 days. Spins valid on Starburst only. Bonus funds separate to Cash funds and subject to 35x wagering
Get a:
100% Deposit Bonus up to £100 + 10% Cashback
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction

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