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400% First Deposit Bonus UK Casinos
The bigger the bonus, the more you can play. So if you’re looking for a 400% first deposit bonus, you’ve come to the right page. We’ve rounded up a whole bunch of platforms that are capable of giving such generous rewards.
We’ve made this ranking, so you don’t have to waste time looking for the platform you want. All of the gambling brands in it accept players from the UK. So if you are registered on the Gamstop register, you can still play casinos from our ranking!
We rank top platforms with high protection of customer data, with legal licenses and certificates. All games are certified by the vendors, which means their maths, RTP is 100% honest.
➡️ 400% Bonus Casinos List
Updated: March 2023
Tested and licensed by independent gambling auditors to ensure their fairness and security:
• iTech Labs
Team experts pick on the 400 Casino Bonuses UK. Then, they research the gambling brands on their own: checking sites’ performance, customer support, quality and RTP of gaming products. We also carefully look for the T&C of advertised welcome bonuses.
Thus, the gambling brands with the high marks and nice website features make our ranking.
Operate under an international license and are not subject to local law.
Set limits only at the request of players.
TOP 5 Casinos With 400% Deposit Offer
We have selected dozens of platforms with a 400 casino bonus. But we want to draw your attention to the best websites to test first. So check them out, play some demos and decide whether or not you should stay with them.
The platform has been up and running since September 2021. You can play casino products, lotteries, bet on sport games, esports. The minimum deposit is €40. Here you can earn a 400% welcome bonus and no dep prizes for registration (cash and free spins).
An even bigger reward is available here – a 450% bonus on your first 3 deposits! The platform has been running since 2021 and offers many Egyptian-themed games. It hosts games created by more then 80 providers. The min deposit to activate the prize is €40.
Admiral Shark Casino
Here you will find more than 1000 gaming products from Playtech, NetEnt, Quickspin and other manufacturers. A deposit of €50 is required to activate your bonus.
Captain Marlin Casino
Another new brand launched in 2021. The brand specializes in slots, tables and live games. The newbie kit is divided into 3 deposits. The maximum you can get is €3,000. To activate the reward, you should to deposit 20 euros.
Black Magic Casino
The brand was launched in August 2021. The welcome bonus is 400% up to £1,000. The minimum deposit is £25. That platform operates following a Curacao licence and offers nearly 1,000 casino games.
Other cool bonuses to 400% Casino Promos
If this 400% casino bonus doesn’t meet your expectations in any way, you may check out the platform with other bonuses.
Check out these pages for ratings of quality platforms:
Without a doubt, the 400% deposit bonus is an offer for improving the gambling pastime Thanks to the increased cash and free spins, you can play more games or make bigger bets. Both improve your odds on winning!
In addition, platforms with these bonuses have several other benefits:
Operators operate independently of UK legislation.
Thanks to an international license, the platforms are well protected.
The games are available in Europe and the United Kingdom.
The platforms are not connected to Gamstop.
Thousands of quality games from well-known manufacturers.
Sites provide easy registration using the email address or social media accounts.
Minuses of Brands With 400% Deposit Match
Attractive casinos with 400% deposit slots bonuses have disadvantages:
Some have significant wagers that are difficult to play.
In addition, prizes can be sticky, meaning they cannot be withdrawn from your account. You can use them inside the casino.
A limited set of payment systems.
Because the platforms operate under an international license and are not subject to a local regulator, legal issues can be strained.
Fast Answers to Questions
Tell me, what’s a 400% casino bonus?
It’s a welcome bonus that you get for 1 or more initial deposits. That is, if you deposit €100, you get €400. So the sum at your disposal is 500 euros. Pay attention to the maximum amount of winnings from the bonus that you can withdraw from the site. That and other parameters can be found in the description.
If I reside in the UK, can I get a 400% casino bonus?
We’ve gathered online casinos that offer rewards to all UK players. These international brands provide services to all residents of the country with no restrictions. Thanks to GamStop’s no-registration scheme, you can play on these websites even if you are banned from other platforms.
Tips to find sites with a 400% match?
The easiest way to find a site with a generous bonus is to check our ranking. We select the best platforms with the highest quality user experience.
How to claim a 400% bonus several times?
You cannot claim multiple bonuses on the same gambling platform. But it is possible to register on several websites and get 1 bonus from each of them.
What’s the minimum sum to get a 400% bonus?
The minimum deposit depends on the conditions of the gaming platform. For example, some ask for £20, while others inflate the minimum to £50.
Can players keep winnings when they earn a 400% bonus?
It depends on the requirements specified in the promotion. If you can meet the conditions and you still have winnings on your balance – then you can safely withdraw it to your card or wallet.