Casinos With 400% First Deposit Bonus

A 400% casino bonus is one of those things we all love – a good deposit bonus – for some people the whole reason of joining a new casino, to claim the amazing deposit bonuses on offer.

On this page you're going to be learning about one of the most popular and best UK casino bonuses that doesn't have high or restrictive wagering requirements – a nice big, juicy first deposit bonus worth 400%!

What is a 400% Casino Bonus?

You may be thinking ‘what the hell is a 1st deposit bonus of 400%' if you're quite a new player. Well, it's actually quite simple.

A welcome bonus like this is applied when you make a first deposit into your account. Whatever the amount is, the online casino will match that amount by 400% into what's known as your ‘bonus balance.'

Your bonus balance is a balance of money that's separate to your actual deposit money – a pile specially for casino bonuses. UK players have to have a separate balance for bonuses due to UK gambling regulations.

So, say you deposit £100 for your first deposit into an online casino of your choice with this bonus offer. The casino would add an extra £400 into your bonus balance, ready for you to play with! You can see why we think this could be the best UK casino bonus.

Why do casinos offer a deposit bonus like this?

The industry is fiercely competitive, new casinos are appearing pretty much every day. To stay competitive casinos, have to offer enticing promotions and bonuses to new players. That's why offers like this are really common – if you go to any new casino, you'll probably see a first deposit ‘goodies' somewhere.

What other bonuses are there?

There's absolutely tonnes of bonuses offered by casinos – Big money when you deposit, extra goodies and loads of free spins.

The bonuses offered by casinos and the terms and conditions that they are subject to are commonly determined by the tight regulations behind the type of games offered and the market that they're offered too. Some of the markets out there are really tightly regulated with a tonne of competition!

How to Claim Your 400% Deposit Bonus – UK Players.

Once you find yourself a casino with this bonus, it's incredibly easy to claim and get rolling with it – just a few easy steps and you're all set – It isn't hard!

Click the link for the welcome bonus of the casino of your choice- you can find plenty of them on our list of trusted casinos, and you can even do all of this on your mobile!

Find a link or promotional bonus code for the bonus – you'll find loads on Casino Sites. Be sure to check to see if any t&cs/wagering requirements apply.

Deposit however much you want – as long as it meets the minimum deposit requirements to claim the offer (in this case, it'll be a £10 minimum deposit) – and your bonus money will be added to your account.

Then you're all ready to go and start playing on your favourite games!

If all of this talk about a nice 400% deposit bonus being added to your balance when you deposit has got you craving and raring to go, you don't need to look any further than the casinos mentioned on this site – they've all got great bonuses and have been personally vetted by the casino maestros here at Casino Sites!



I've been invovled in the casino industry since the early 2000's. Having worked at various casino operators over the years I wanted to start my own porrtal to help others find the best places to play.

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