| 📌 Number of Сasinos With 400% Bonus | 13+ |
| 🏆 Best 400% Bonus Casino | Rouge Casino |
| 🎯 Bonus | 400% |
| ✅ Accepting Gamstop Players? | Accept |
| 💂 Accepting UK Players? | Accept |
| ⌛ Withdrawal Times | 15 min – 3 days |
| 🔒 Safe and Legal | YES – Licences |
| 🎫 Licences | Malta Gaming License, Curaçao |
| 🎲 Accessible Games | Slots, Poker, Bingo, Roullete, Lottery |
| 🎰 Type Gambling Sites | Casino, Betting, Live Games |
Best of 400% Casino Bonus Offers
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.
The Best Gambling Platforms from Our List:
- Accept players from the United Kingdom.
- Do not block customers as they are not connected to Gamstop.
- 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.
Kaboom Slots
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).
Pyramid 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:
- 200% Deposit Bonus
- 300% Bonus
- 500% Bonus
Major Sides of Brands Having 400% Bonus
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.
