If a licensed bookmaker will not pay out, there is a defined escalation path: raise a formal complaint with the operator and obtain their final response, then take the dispute to their independent alternative dispute resolution (ADR) service — IBAS in the UK, or the operator’s named ADR provider elsewhere — and separately report any suspected licence breach to the regulator. Keep every message, screenshot, and bet reference throughout. The ADR is the step that actually rules on whether you should be paid.

First, understand why payment was withheld

Refusals and delays cluster around a few causes. Knowing which one you are facing tells you how strong your position is.

Reason givenWhat it meansHow strong is your case
KYC / identity checkStandard verification before payoutLegitimate; comply promptly and it should clear
Source-of-funds checkRequired for larger sums under AML rulesLegitimate; provide documents requested
Bonus terms breachWagering, max-stake, or max-win rule allegedly brokenDepends on whether the term was clear and fair
Palpable error (“palp”)Bet struck at an obviously wrong priceOperators can void, but must show a genuine error
Duplicate / linked accountsMultiple accounts or shared devicesDepends on evidence and the specific terms
Market settled incorrectlyWrong result appliedUsually correctable — push for a re-settle

A check applied consistently and up front is normal. A check produced only after you win, or a void with no clearly pre-stated term behind it, is exactly what a dispute service exists to examine.

The complaint ladder

Step 1 — Formal complaint to the operator. Do not rely on live chat. Submit a written complaint through the operator’s official complaints process, state clearly what you want (payment of a specific amount), and reference the bet. Licensed operators must have a complaints procedure and must issue a final response (sometimes called a deadlock letter) within a set period, commonly up to eight weeks.

Step 2 — Escalate to the ADR. Every licensed operator must be signed up to an independent Alternative Dispute Resolution provider. In the UK the best known is IBAS; other operators name their ADR in their terms or complaints page. The ADR reviews the evidence from both sides and issues a decision. It is free to you. This is the step that can actually order the operator to pay.

Step 3 — Report to the regulator. If you believe the operator has breached its licence — for example by using unfair terms, stalling verification abusively, or failing to follow its own complaints process — report it to the regulator (UKGC, MGA, etc.). Understand the distinction: the regulator polices the operator’s conduct and can sanction repeat offenders, but it generally does not recover individual balances. That job belongs to the ADR.

Build your evidence first

Your case is only as good as your records. Before and during a complaint, keep:

  • Screenshots of the bet slip, the settled bet, and the account balance
  • The exact odds, stake, market, and settlement time
  • All correspondence, including chat transcripts and emails
  • The full bonus terms if a promotion is involved
  • Dates of every verification request and every document you submitted

Send documents through official channels only, and never share more than the operator’s stated verification actually requires.

Realistic outcomes

Be clear-eyed about what usually happens:

SituationLikely outcome
Genuine KYC/source-of-funds hold, you complyPaid once checks clear, often within days to weeks
Correct bet settled wronglyUsually re-settled and paid after complaint
Void for a genuine palpable errorOften upheld; stake typically returned
Unfair or unclear bonus-term voidADR may rule in your favour
Unlicensed operator refusing to payLittle effective recourse — the core reason to avoid them

The hardest cases involve unlicensed sites, where none of this ladder applies because there is no regulator and no compulsory ADR. That is the single strongest argument for only ever betting with an operator whose licence you have verified.

What not to do

  • Do not keep re-depositing or chasing to “unlock” a withheld balance.
  • Do not abandon the paper trail — informal chat promises are hard to enforce.
  • Do not miss ADR deadlines; there are time limits after the operator’s final response.
  • Do not hand over documents an operator has no legitimate reason to demand.

A withheld payout is stressful, but for a licensed operator the process is defined and free to use. Work the ladder in order, keep your evidence tidy, and let the ADR rule on the merits.

18+. Betting carries risk and most bettors lose over time. Bet only what you can afford to lose. For free, confidential support visit BeGambleAware.org or call the National Gambling Helpline on 0808 8020 133.