Bonus abuse in betting: what bookmakers' terms forbid and what they don't

How bookmakers' terms define bonus abuse

Most bookmakers have a general clause that lets them withdraw a bonus if they believe it was “abused”, followed by examples. The wording differs, but the same items appear again and again:

• Multiple accounts. More than one account per person, and often only one bonus per household, address, IP address, device or payment method.
• False or borrowed identity. Registering with someone else's details, or letting someone else use your account.
• Collusion. Several customers coordinating bets to share out a promotion.
• “Low-risk” or opposite bets. Betting on all outcomes of a market at the same bookmaker to clear a wagering requirement without real risk.
• “Irregular betting patterns”. A vague catch-all that some terms use for anything the bookmaker considers bonus hunting.

Terms also usually say the bookmaker may decide on its own whether a breach happened. That discretion has limits: within the EU, standard terms in consumer contracts must be transparent, and a term that lets a business keep a customer's money at will can be challenged as unfair under the Unfair Contract Terms Directive. How far that helps in a specific case is a matter for the courts or a consumer adviser, not for this guide.

What is generally allowed

A bonus is an offer you accept. Using it the way the terms describe is not abuse, even if you do it carefully and calculate every step:

• Claiming a welcome offer once, as yourself, with your own verified account and your own payment method.
• Choosing the odds and markets that make the offer worth most to you, within the minimum odds and eligible markets.
• Working out the expected value first and skipping offers that cost more than they bring. The guide to “risk-free bets” shows how.
• Having accounts at many different bookmakers. That is ordinary; how many make sense is covered in how many bookmaker accounts you need.

A bookmaker can still stop sending you offers or limit your stakes even when you broke no rule. That is a business decision, not a finding of abuse; see how bookmaker limits work.

What is not allowed: multiple accounts and other identities

These are clear breaches at practically every bookmaker, and some are also offences:

• A second account for yourself, under a variation of your name, another email address or another address.
• Accounts in someone else's name, including family members or friends who “lend” you their identity, and betting through another person's account. Licensed bookmakers must know who their customer is; using another identity defeats their anti-money-laundering and player-protection checks and can be fraud.
• Someone else's payment card or e-wallet. Payments must come from accounts in the account holder's own name.
• Hiding your location with a VPN to claim an offer from another country, or to get around a licence restriction.
• Agreeing with other customers to place opposite bets so that one of you always collects the bonus.

We never recommend any of these. If friends or family are interested in what you do, the honest route is for them to open their own accounts, in their own name, and make their own decisions.

The grey area: covering bets at another bookmaker

Converting a free bet or a bonus with a cover bet at a different bookmaker is the core of free-bet conversion. Whether a bookmaker's terms allow it depends on the wording:

• Many terms only forbid opposite bets at the same bookmaker (or within the same group of brands, which may share data).
• Some terms forbid “hedging” or “matched betting” in general, wherever the second bet is placed.
• Some exclude bets at short odds or on certain markets from wagering, which is a different matter: those bets simply don't count.

So the honest answer is: read the terms of the specific offer. If they forbid covering, a bookmaker that notices can apply its bonus-abuse clause even though each bet on its own was ordinary.

Consequences of a breach

What happens depends on the terms and on how serious the bookmaker thinks the breach was. Typical measures, from mild to severe:

• The bonus and any winnings from it are removed from the balance.
• The account is excluded from future promotions.
• Pending bets are voided, and winnings since the bonus was credited are withheld.
• The account is closed. Deposits that were not used are usually returned, often after identity checks.
• In cases of identity fraud or payment fraud, a report to the authorities.

If you think a bookmaker applied its terms wrongly, use its complaints procedure first, in writing, and keep copies. Then contact the regulator that licensed it, or an alternative dispute resolution body if the licence names one. In Slovakia the gambling regulator ÚRHH supervises licensed operators; in Austria, consumer advice centres such as the Arbeiterkammer can help with consumer contract disputes. The guide tax and legality has more on the legal framework.

Households and shared devices

Many bookmakers limit welcome offers to one per household, address, device or IP address, not only one per person. Two adults living together can usually each have an account in their own name, but the terms may allow only one of them to claim the welcome bonus. Shared laptops, phones and home Wi-Fi are exactly how bookmakers link accounts, so an innocent second account in the same flat can trigger a review. Read that clause before a partner or flatmate signs up for the same offer, and never place bets for each other.

How to protect yourself

• Read and save the terms of each offer at the time you opt in. Terms change; a screenshot or PDF with the date helps in a dispute.
• One account per bookmaker, in your own name, with payment methods in your own name.
• Verify early. Upload your documents before the first withdrawal, not after a big win; see bookmaker ID verification.
• Keep your own records of deposits, bets, bonuses and withdrawals. The ArbVantage tracking page logs bets and bonus wagering per bookmaker.
• Answer document requests promptly and politely. A withdrawal that stalls is often a check, not a confiscation; see bookmaker withdrawals.

Bonus terms differ between bookmakers; always check the terms and conditions.

Frequently asked questions

Is matched betting bonus abuse?

Not automatically. Using a bonus once, as yourself, within its terms is not abuse. But some bookmakers' terms forbid covering a bonus bet with an opposite bet, sometimes even at another bookmaker. Whether a specific offer allows it depends on its terms, so read them first.

Can a bookmaker keep my winnings?

If its terms allow it and you breached them, it can usually remove the bonus and the winnings from it. Deposits that were not used are normally returned. If you think the terms were applied wrongly, complain in writing, then go to the regulator or a dispute resolution body.

What applies to people in the same household?

Each adult can usually have their own account in their own name, but many offers are limited to one per household, address, device or IP address. Read that clause before a second person in the household claims the same offer, and never bet for each other.

Can I use a friend's account if mine is limited?

No. Betting through someone else's account or in someone else's name breaks every bookmaker's terms and can be fraud. It can lead to the winnings being withheld and the accounts being closed.

Sources

• Council Directive 93/13/EEC on unfair terms in consumer contracts (EUR-Lex)
• Directive 2005/29/EC on unfair commercial practices (EUR-Lex)
• UK Competition and Markets Authority: online gambling case on promotion terms
• Act No. 30/2019 Coll. on gambling, Slovakia (Slov-Lex)
• Úrad pre reguláciu hazardných hier (ÚRHH), Slovakia

Betting involves risk: odds change, bets get voided, bonuses get withdrawn and accounts get limited. Only bet money you can afford to lose. Our responsible gambling page lists free help.

Not betting, legal or tax advice. 18+. As of October 2026. See our disclaimer.