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2026 ranking

Best welcome bonuses

These are the largest welcome offers among the sites we review, ranked by headline size. But the biggest number isn't always the best deal — the wagering requirement is a key part of its value, so read on before you claim.

Ranked using our review methodology. Contains affiliate links · 18+ · Gamble responsibly.

  1. 131Bet logo

    31Bet

    4.4

    Sports and casino with separate welcome and accumulator offers.

    Sports: 100% up to €1,000Licence: MGA (operator-listed)Visa, Mastercard
  2. 2Roobet logo

    Roobet

    4.1

    Crypto and cash betting, casino Originals and VIP rewards.

    Up to $1,000 bonusLicence: CuraçaoBitcoin, Ethereum
  3. 31win logo

    1win

    4.1

    Sportsbook and casino with separate promotional sections.

    500% up to $1,000Licence: CuraçaoVisa, Mastercard
  4. 4Rainbet logo

    Rainbet

    4

    Casino Originals, live tables and a sports and esports book.

    Up to $1,000 bonusLicence: CuraçaoBitcoin, Ethereum
  5. 5Betfury logo

    Betfury

    4

    Casino and sportsbook with BFG-linked rewards and missions.

    Up to $1,000 bonusLicence: CuraçaoBitcoin, Ethereum
  6. 6Thunderpick logo

    Thunderpick

    4

    Crypto betting focused on esports, with sports and casino.

    Advertised: 100% up to €600Licence: CuraçaoBitcoin, Ethereum
  7. 7Cosmobet logo

    Cosmobet

    4.6

    Casino, live dealer games, sports and virtual sports.

    150% up to $500 + 50 free spinsLicence: CuraçaoVisa, Mastercard
  8. 8S

    Sportsbet.io

    3.2

    Crypto sports betting and casino with Clubhouse rewards.

    100% up to 300 USDT on sports or casinoLicence: Curaçao 1668/JAZCrypto, USDT

Why the biggest bonus isn't always the best

A huge headline bonus can hide punishing terms. A $500 bonus at x40 wagering can cost more effort — and money — to clear than a $150 bonus at x20. What matters is the wagering requirement, whether it applies to the bonus only or deposit + bonus, and the time limit.

Before claiming any offer, run it through our bonus wagering calculator to estimate the qualifying turnover required under the offer's terms.

How to compare offers properly

Check three things on every bonus: the wagering multiplier, what it applies to, and game weighting (slots usually count 100%, table games far less). A modest bonus with fair terms beats a giant one you can never clear. Each review summarises the available bonus terms; check the operator's current terms before claiming.

Frequently asked questions

What is the best betting welcome bonus?

The biggest offers are ranked above by size, but the best value depends on the wagering requirement. Use our bonus calculator to compare the real cost of clearing each one before you decide.

What does a wagering requirement mean?

It specifies how much you must stake in qualifying bets before bonus-related winnings can be withdrawn. A 30x requirement on a $100 bonus means $3,000 in qualifying stakes. Some offers apply the multiplier to the deposit plus bonus; game contribution rates and other terms also matter.

Should I always take the biggest bonus?

No. A large bonus with high wagering or short time limits can be worse than a smaller, fairer one. Always weigh the headline figure against the terms.

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