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How to Determine the Best Refer-a-Friend Casino Bonuses

Whether you’re a new casino player or an existing one, we bet you love bonuses. Who doesn’t love rewards, after all? However, did you know that you can get extra funds for referring friends and family members to your favourite online casinos?

Today, we’re going to tell you all about refer-a-friend bonuses. We’ll cover what they are, how they work, and most importantly, how to find the best ones out there. Finding top-notch offers can be challenging when thousands of online casinos exist, and most have referral promotions.

That’s why we’re here to help you. After reading our article, you’ll be a pro. Don’t forget to check out the rest of our site for more tips and tricks from Gemma Heathcote, superlenny.com author and casino expert.

What Are Refer-a-Friend Bonuses?

First, let’s start with the basics: what’s a referral offer? These promotions reward existing players for getting other people to sign up at the casino. In many cases, the new customer also receives a bonus.

Why would an online casino offer a refer-a-friend bonus? Well, it’s an excellent way for these sites to gain new players. When you hear about a product or service from a friend and then decide to try it out, it’s called word-of-mouth marketing.

As the expert financial website, Investopedia, points out, word-of-mouth marketing is free for the company. Plus, most people tend to trust reviews from people they know over anything the company claims about its product.

That’s why so many online casinos ask loyal players to recommend the site to people they know. They include a bonus offer as an extra incentive.

How Do Referral Offers Work?

The casino will send you a customised link when you claim a referral offer. After copying it, you’ll send it out to the people you think would be interested in registering with the site.

If someone creates an account through your link and makes a first deposit that meets the minimum requirement, you’ll receive a bonus from the casino. Typically, you’ll need to meet wagering requirements before you can withdraw these funds.

How to Find Top-Notch Refer-a-Friend Bonuses

We’ve explained what refer-a-friend bonuses are now, but how do you find the best ones? There are a few different aspects you need to look for when looking for referral deals at casinos:

  • Low Wagering Requirements: The lower this obligation is, the faster you’ll be able to withdraw your bonus.
  • Reasonable Minimum Deposit: If a refer-a-friend bonus has a high minimum deposit requirement, players may have difficulties finding someone willing to register with your link.
  • Lucrative Payout: The best offers will make it worth your while with a significant bonus.
  • Unlimited Use: Top-notch refer-a-friend bonuses let players claim the offer as many times as they want.

Wagering Requirements

Wagering requirements are an obligation players must meet before they can withdraw any promotion funds. Until then, the reward is “locked.” Casinos may revoke the money if players attempt to withdraw their referral bonus or any winnings beforehand.

How Do Wagering Requirements Work?

Wagering requirements require each player to bet a certain amount before withdrawing. It’s calculated by taking the bonus amount and multiplying it by a specific number provided by the casino.

Typically, casinos list wagering requirements as “#x” under the bonus terms. For example, let’s say a refer-a-friend promotion for £200 per referral has a 30x obligation. To unlock the offer, you need to bet 30 times £200, or £6,000. Then, you can withdraw any winnings you earned during this process.

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What Are Wagering Contributions?

Although we’ve explained how wagering requirements work already, we also need to mention wagering contributions. Online casinos limit how much of your wager goes towards meeting the obligation.

We’ll use the wagering contributions from Casumo, a UK online casino, as an example:


Slots 100%
All Poker Tables (including live), Video Poker, Baccarat, Roulette, and Blackjack 10%
Live Casino and RNG Wheel-Variant Games 50%
All Other Games 100%

A £10 wager on a slot game would take £10 off your wagering requirement. On the other hand, a £10 bet on a video poker title would only take off one dollar.

We recommend placing bets on categories with a 100% contribution. In this case, that would be slots. That way, you meet the wagering requirements quicker and have less risk of losing your bonus to bad luck.

Minimum Deposit

Most referral bonuses will have a minimum deposit requirement. When your friend funds their new account, they need to deposit at least that much for you to get your reward.

Look for promotions with the lowest possible minimum deposit. The best refer-a-friend bonuses only require at least £10 to £20. The higher the requirement, the more challenging it is to find someone interested in signing up.

Maximum Payout

Of course, the main factor we recommend considering is how large the refer-a-friend offer is. The more money you get from the casino, the better. Remember that high wagering requirements can make bonuses less profitable, though.

You should also keep an eye out for offers that incentivise using a specific payment method. Many online casinos give players extra funds when their referee deposits with crypto. Some of the best referral promotions will also reward your friend. For example, it may give them a slightly larger welcome package.

Maximum Amount of Referrals

Look at the terms and conditions to determine how often you can use a refer-a-friend offer. The top promotions let you redeem this deal as many times as you want.

If you can’t find an offer with unlimited claims, search for one that lets you use it more than once. This way, you can invite multiple people to register to increase your overall reward.

Examples of Referral Offers

Below, we’ll take a look at three real refer-a-friend promotions and list their pros and cons:

1.    Unibet Referral Bonus


  • Players can make up to £150 in total
  • You can invite up to three friends to maximise your bonus
  • Only a 1x wagering requirement on your bonus
  • No maximum deposit amount


  • You receive £30 for your first friend, £50 for the second, and £70 for the third
  • The referee must wager £500 on sports or £1,000 on casino games

2.    Casino 2020 Refer-a-Friend Offer


  • You receive a 50% deposit match of up to £100
  • Minimum deposit of £10
  • Players can refer six friends per month


  • 40x wagering requirement
  • Maximum win of £50 on deposit bonus

3.    Bonus Boss Referral Bonus


  • Minimum deposit of £10


  • You only receive a £5 bonus
  • 40x wagering requirements
  • £50 maximum withdrawal


There you have it! That’s everything you need to know about finding the best refer-a-friend casino bonuses. Now you’re an expert at spotting top-notch referral promotions. All that’s left is to get out there and spot those deals!


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