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400% Deposit Bonus UK

400% Deposit Bonus

If you are looking for a 400% deposit bonus at casino sites, then you are in the right place. We conducted a detailed analysis of the current gambling market to pick the most reputable casinos in the UK that not only offer these promo deals but also comply with all requirements related to security, UI convenience, ability to play on the go, and more. To get information about the platforms with these online casino bonus offers, we registered on their sites, claimed promo rewards, and tested their functionality.

In case we faced slight issues related to bonus description, we always contacted official representatives to figure everything out firsthand. So you can be sure that each online platform on our list that comes with a 400 percent welcome offer is safe and comfortable for playing at. Along with the promo, below, you can learn about the key features of casinos to use them fully. Keep reading to discover all reputable platforms with a 400% casino bonus in the UK.

List of All 400% Casino Bonus Offers

1
Golden Lion Casino
9.8 /10
Bonus
400% + 100 FS Bonus!
  • £20 Minimum Deposit
  • Sports & Casino Sections
  • With No GamStop
2
Mr Sloty Casino
9.4 /10
Bonus
400% Up to €2000
  • 400% On First Deposit
  • Not on Gamstop
  • €20 Min. Deposit
3
Captain Marlin Casino
9.8 /10
Bonus
Get Up to 475% Upon Sign Up
  • €40 Min. Deposit
  • Casino & Sportsbook
  • Not Using GamStop
4
Fruity Chance Casino
9.8 /10
Bonus
600% Welcome Pack
  • 40 EUR Minimum Deposit
  • Not Linked to Gamstop
  • Credit Cards Are Accepted
5
Magic Win Casino
9.8 /10
Bonus
Deposit £20 & Get 100 FS
  • 400% Deal on Top-Up
  • £20 Min. Deposit
  • 50x Wagering Req.
6
Win Diggers Casino
10 /10
Bonus
450% Sign Up Package
  • €40 Min. Deposit
  • No Gamstop Scheme
  • Good Choice for Winning
7
WG Casino
9.4 /10
Bonus
200% on Sign Up
  • €100 Min. Deposit
  • Latest Games
  • Not on Gamstop
8
Twister Wins Casino
9.8 /10
Bonus
525% Welcome Package
  • Easy Sign Up
  • €40-50 Min. Deposit
  • Not Affected by GamStop
9
Candy Land Casino
9.2 /10
Bonus
400% Welcome Bonus
  • 25 EUR Min. Deposit
  • Live Chat
  • Cashback Promo
10
New Vegas Casino
9 /10
Bonus
400% on 1st Deposit
  • Rival-Powered Casino
  • £25 Min. Deposit
  • Not Restricted by GamStop

About Our Contributors

Dear punters! My name is Jack Reeve. I'm a UK-based journalist focused on sports and gambling events. Currently, I'm investigating the influence of the UKGC and Gamstop scheme on problem gamblers. That's why I've decided to cooperate with this online gambling portal to understand the flaws of the scheme and things that punters don't like about new laws. As my works are cited by famous newspapers like EuropeanGaming.eu, Business Matters and MarketWatch, you may notice that I'm not the last author in this industry. Hopefully, the readers of CasinoGap.org will notice the value that I bring to the articles and tell me more ideas or their concerns via e-mail or contact form.