Online Casino 400% Deposit Bonus Codes 2024

All trustworthy online casinos that gladly welcome players from the United Kingdom provide them with a perfect assortment of all sorts of bonuses. Statistics show that gamblers always look for casinos with larger and the most attractive bonus offers. Hence, our gambling experts have thoroughly studied this issue. As a result, in this post, we are going to shed light on a 400% deposit bonus and its main features. 

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400% Bonus
2024 June, 18
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🔥Hot Bonus This Week

100% up to £100 + 50 Free Spins on Rainbow Riches
Minimum deposit: 10 £

Wagering requirements: 35x

Promo code: No code needed

Best 400% First Time Deposit Bonuses Available

400% up to €/$/£4,000 + 100 Free Spins on Wolf Gold
Minimum deposit: 20 $/€/£

Wagering requirements: 50x

Promo code: No code needed

400% up to $4,000 + 100 Free Spins
Minimum deposit: 25 $/€/£

Wagering requirements: 35x

Promo code: No code needed

Get 500% + 50% Cash Back
Minimum deposit: 25 $

Wagering requirements: 45x

Promo code:

400% up to £/€/$800
Minimum deposit: 25 $/€/£

Wagering requirements: 50x

Promo code: No code needed

Get 400% Bonus
Minimum deposit: 25 $

Wagering requirements: 50x

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400% up to $8,000
Minimum deposit: No Deposit

Wagering requirements: 40x

Promo code: No code needed

400% up to $500
Minimum deposit: No Deposit

Wagering requirements: 50x

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400% up to $1,000
Minimum deposit: 25 $/€/£

Wagering requirements: 45x

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400% up to €/£2,000
Minimum deposit: 20 €

Wagering requirements: 50x

Promo code:

Get 410% Bitcoin Bonus
Minimum deposit: 25 $

Wagering requirements: 35x

Promo code: No code needed

What Is a 400% Deposit Bonus?

In a considerable number of online casinos, a 400% deposit bonus is an exceptionally generous offer intended to increase your initial deposit. If you deposit a certain amount, typically denoted as a percentage of your deposit, the casino will grant you an extra amount equal to four times your initial deposit. For example, if you deposit £50, you will get an extra £200 in bonus funds, totaling £250 to play with. While this bonus provides substantial gameplay potential, you should always review its T&C. High percentages like 400% might come with higher wagering requirements or restrictions on games eligible for wagering. 

Why Use a 400% Casino Bonus?

Using a 400% casino bonus in virtual casinos can significantly boost your overall gaming experience. Such a huge bonus offers a remarkable increase to your initial deposit, giving you sufficient funds to explore various games and strategies. It's a perfect chance for those players who wish to extend their playtime and increase their chances to win good money. Moreover, this bonus can serve as a risk-free testing ground for trying out new slot or table games. Consequently, a 400% deposit bonus can be a thrilling gateway to extended entertainment and possible rewards.

How We Review Casino Sites With 400% Bonus Offers

When evaluating the finest casino sites featuring 400% bonus offers, we adhere to a thorough assessment process that prioritizes fairness and player benefits: 

  1. Clear T&C. We analyze bonus terms and conditions to ensure clarity and fairness in wagering requirements and playthrough rules.
  2. Country restrictions. We investigate any country-specific restrictions imposed on players' eligibility for claiming the 400% bonus.
  3. Withdrawal limits. We determine whether the casino enforces withdrawal limits on winnings from the 400% bonus because it is a vital issue for player convenience.
  4. Free bonus use. We verify that players can freely utilize the 400% bonus on a broad range of games without excessive limitations.
  5. Loyalty/VIP programs. We explore whether the casino extends extra rewards beyond the 400% bonus, such as loyalty programs or VIP perks.

How to Claim a 400% Deposit Bonus

Claiming a 400% deposit bonus at an online casino is almost effortless. Please, follow these steps to make the most of this generous offer:

  1. Pick a reputable casino that offers a 400% deposit bonus. Look for reliable platforms with positive player reviews.
  2. Sign up on the casino`s site. Provide accurate info to ensure smooth transactions.
  3. Some casinos require identity verification before granting bonuses. Follow the instructions to verify your identity.
  4. Log in to your account and switch to the Deposit/Banking section.
  5. Choose the 400% deposit bonus from the list of available promos. 
  6. Enter the deposit sum. The bonus will be calculated based on this sum.
  7. Verify your deposit and bonus selection. Complete the transaction.
  8. The bonus funds will be added to your account instantly.

Benefits of Casinos With 400% Bonus Package

Virtual gambling platforms offering a 400% bonus package provide punters with plenty of benefits. Let us enumerate the most common ones: 

  • Enlarged playing power. A 400-percent casino bonus offers four times your initial deposit, which significantly increases your bankroll.
  • Boosted entertainment: The 400% deposit bonus elevates the overall entertainment value, as players can enjoy a prolonged gaming adventure without constantly worrying about their balance.
  • Bigger winning chances. With more funds to wager, your chances of hitting the pot or activating more bonus features in games are considerably boosted.
  • Risk-free testing. Such a great bonus provides perfect opportunities for trying new games or betting styles without worrying about quick funds reduction.
  • Larger possible winnings. While meeting wagering requirements, gamblers have the chance to build huge winnings that can be withdrawn after completing the bonus conditions.

Drawbacks of Casinos With 400% Bonus

Alongside numerous pros, casinos with 400% bonus proposals have certain cons. These are: 

  • Wagering requirements. Such generous bonuses often come with higher wagering requirements, which make it difficult to fulfill before withdrawing winnings.
  • High minimum deposits. To activate the 400% bonus, a higher minimum deposit might be required, which discourages gamblers with small budgets.
  • Game restrictions. Some casinos limit the games where you can use this bonus type. 
  • Withdrawal limits. Casinos might impose maximum withdrawal limits on bonus winnings, restricting your ability to cash out large sums.
  • Complex terms. Complicated T&C can confuse players, which can potentially lead to misunderstandings about bonus usage and withdrawal criteria.
  • Exclusion from other promos. Some casinos exclude 400% bonus users from other promos and, therefore, limit their participation in other current rewards.

How to Choose a 400 Bonus Casino

Selecting the right 400 bonus online casino requires careful consideration. We have prepared some tips for you on how to do it in the best way. 

  1. Reputation. Start by researching a reputable casino known for its fairness, reliability, and positive reviews.
  2. Licensing. Verify the casino's licensing from reputable authorities. 
  3. Bonus terms. Read the T&C of the 400% bonus casino attentively. Focus on wagering requirements, validity period, and game restrictions.
  4. Bonus comparison. Compare the 400% bonuses offered by different casinos, considering the terms, overall reputation, and the casino's alignment with your gambling preferences.
  5. Payment methods. Check out if the casino supports convenient payment options for deposits/withdrawals.
  6. Game selection. Check out whether a chosen gambling platform provides a wide range of games you want to play. These can be slots, live games, scratchcards, keno, or table games.

Different Types of 400% Bonuses

There are several types of a 400 percent bonus in the most trusted virtual gambling platforms. We have prepared summaries for each of them. Please, find them below. 

400% First Deposit Bonus

A 400% first deposit bonus in trendy UK casinos is an appealing offer where players receive four times the amount of their initial deposit as bonus funds. For instance, if you deposit £100, you'll receive an extra £400 in bonus cash. 

400 Welcome Bonus Casino

A 400 casino welcome bonus is the same as a welcome bonus. The only difference is in its name. It is a generous promotion that multiplies your initial deposit by four. This bonus enhances your gaming experience, enabling you to explore a variety of games and increasing your overall chances to hit the pot and win big. 

400 Match Bonus Casino

A 400% match bonus in trustworthy virtual gambling and betting platforms is one of the most exciting promotions where the casino matches your initial deposit by four times its value. This bonus type can extend your playing time, increase your bankroll, and enhance your winning chances. 

400 No Deposit Bonus

A 400% no deposit bonus is a remarkable deal that grants you bonus funds equal to four times the bonus amount without spending your cash on a deposit. For instance, receiving a £10 no deposit bonus would provide you with an extra £40 to play with. 

400% Deposit Bonus Slots & Other Games

Any 400% match bonus casino provides punters with an attractive opportunity to experience a wide range of slots and other trendy games with a considerable boost to your initial deposit. Below, you will find some examples of the most popular games in gambling platforms which offer this bonus type. 


This game type is represented by hundreds of titles with immersive themes and captivating features. Game examples: 

  • Book of Dead. Venture into ancient Egypt, joining explorer Rich Wilde in a quest for riches and free spins with expanding symbols.
  • Gonzo's Quest. Join the adventure with Gonzo and find cascading symbols and increasing multipliers in search of hidden treasures.
  • Mega Moolah. Enter the world of progressive jackpots with this safari-themed slot filled with remarkable rewards and bonus rounds.

Table games

Casinos with a 400% first deposit bonus provide a good assortment of traditional table games improved by realistic graphics and smooth gameplay. Examples:

  • Baccarat. Enjoy the elegance of the game so much popularized by James Bond.
  • Blackjack. Test your luck in various blackjack variants and beat the dealer without exceeding 21.
  • Roulette. Predict where the ball will land in such popular games as French or European roulette.

Wagering Requirements for 400% Bonuses

Wagering requirements for a 400% casino bonus in the UK let you know how many times you should wager the bonus sum before being allowed to withdraw your winnings. For example, if you get a £200 bonus with a 30x wagering requirement, you will need to place bets totaling £6,000 before you can withdraw. Therefore, it is important to understand these requirements because they vary between casinos and can significantly impact your gaming strategy. Additionally, some games contribute differently to fulfilling these requirements. So, you should always review the T&C of the specific casino to understand the wagering requirements connected with their 400% bonus offer. 

400% Casino Bonuses FAQ

If you have any specific questions, please message us.

How to find casinos with a 400% first deposit bonus UK?

To find casinos in the UK offering a 400% first deposit bonus, you should look for established casinos with positive player reviews and a track record of fairness. Visit their Promotions/Bonuses to check out any available 400% deposit bonus offers. 

Is a 400% casino bonus available for all UK players?

While many UK online casinos offer 400% casino bonuses, availability can vary. Some bonuses might be restricted to new players, specific games, or regions. Therefore, UK players should review the T&C section of each casino to determine eligibility and any possible restrictions tied to the 400% bonus offer before signing up.

What is the minimum deposit to get a 400% bonus?

The minimum deposit required to gain a 400% bonus varies among UK casinos. Generally, it ranges from £10 to £20. Conversely, you must remember that some casinos might have special requirements for a minimum deposit to activate this bonus type. 

Can I get a 400% welcome bonus and keep my winnings?

Yes, you can get a 400% welcome bonus and keep your winnings. Keep in mind that your ability to withdraw winnings entirely depends on whether you fulfill the casino`s wagering requirements. It means that you must fully meet such requirements by wagering the bonus amount a specified number of times. Only after that will you be allowed to withdraw.

Written by: Oliver Taylor