How to Complain About an Online Casino

What to do when a casino will not pay, closes your account, or voids your winnings. Written from ten years inside the industry.

I have spent over a decade in the gambling industry and I have seen disputes from both sides. Most complaints I read fall into one of two categories: the player broke a rule they did not know existed, or the casino is genuinely stalling. Telling the difference matters, because the approach is completely different depending on which one you are dealing with.

This guide covers what to do, in order, and what to realistically expect. It applies to offshore casinos, which is what most Australian and US players use.

Before You Complain: Check Whether You Actually Have a Case

This is not me defending casinos. It is practical advice, because complaining about something covered in the terms wastes weeks and gets your case rejected by mediators.

The most common reasons winnings get voided legitimately:

• Maximum bet exceeded during bonus play. Nearly every casino caps your bet at $5 or $10 per spin while a bonus is active. Exceed it once and all winnings from that point are void. This is the single biggest cause of disputes.
• Excluded game played with bonus funds. Roulette bets on red or black are banned at most RTG casinos with an active bonus. Progressive jackpots are often excluded. Table games frequently contribute nothing to wagering.
• Payment name mismatch. You deposited with a partner's card and tried to withdraw to your own account. This is anti-money-laundering compliance and no casino will make an exception.
• Duplicate account. One account per person, household, IP and payment method. Second accounts get closed and winnings voided.
• Free bonus cashout cap. You won $900 from a free chip with a $180 cap. The casino pays $180 and removes the rest. This is stated in the terms.
• Consecutive free bonuses. Claiming two free bonuses without a real deposit between them voids winnings at almost every operator.

Read the bonus terms and your bet history before you escalate. If one of the above applies, you will not win the dispute regardless of where you take it.

Step 1: Gather Evidence Before You Say Anything

Do this first, before you send a single message. Once a dispute starts, access to your account can be restricted and you will lose the ability to collect what you need.

Screenshot and save:

• Your account balance and transaction history
• The withdrawal request showing date, amount and status
• Full bet history covering the disputed session
• Every live chat transcript. Most chat systems offer an email transcript option at the end of a session. Use it every time.
• All emails between you and the casino
• The terms and conditions page as it appears today. Terms change and you want a dated record of what you agreed to.
• The specific bonus terms for the promotion you claimed
• Deposit confirmations from your bank or crypto wallet

Save everything to a folder with dates in the filenames. If your case goes to a mediator, they will ask for exactly this, and cases with organised evidence get resolved faster.

Step 2: Use the Casino's Own Complaints Process

Every mediator I know of requires this step before accepting a case. Skipping it gets you rejected.

Start with live chat. Be specific and unemotional. State the facts: the amount, the date, the withdrawal reference, what you were told previously. Ask for a written explanation of why the payment has not been made. Ask for a timeframe. Get the agent's name.

If live chat cannot resolve it, escalate by email. Most casinos have a dedicated address for complaints or disputes, often listed in the terms and conditions under a Complaints heading. Send a clear written summary with your evidence attached.

Keep your tone factual. Abusive language gives the casino grounds to suspend your account under their terms of service, and it makes mediators less inclined to advocate for you. I have seen genuinely valid cases collapse because the player lost their temper in writing.

Give them a reasonable window to respond. Seven to fourteen days is fair. If they respond with a substantive explanation you disagree with, or if they go silent, move to step three.

Step 3: Escalate to an Independent Mediator

This is where most disputes get resolved. These services are free to players and they work because casinos care about their public ratings.

Submit to us as well

If your dispute involves a casino listed on CasinoGuides.pro, tell me directly. I take player feedback seriously and it directly influences ratings and rankings on this site. Where I can, I will contact the operator on your behalf. If a pattern emerges across multiple players, that casino gets flagged or removed from our rankings entirely.

I have no leverage comparable to a regulator, but affiliate sites collectively do have influence with operators who depend on us for traffic. It is worth using.

Step 4: Contact the Licensing Authority

How useful this step is depends entirely on which licence the casino holds.

Curacao Gaming Authority

Most offshore casinos serving Australian and US players hold a Curacao licence. Historically Curacao offered close to no player protection. This changed with the new Curacao Gaming Authority regime, which requires operators to have a formal complaints procedure and allows players to escalate to the regulator after exhausting the casino's internal process.

Set your expectations moderately. The Curacao regime is newer and less established than European regulators, response times are slow, and outcomes are inconsistent. But it is no longer nothing, and a documented complaint on file matters if a pattern develops against an operator.

Malta Gaming Authority

mga.org.mt is a genuine regulator with real enforcement powers. If a casino holds an MGA licence, use this route. They investigate properly and can fine or revoke licences.

UK Gambling Commission

Relevant only if you are a UK player at a UKGC-licensed casino, which excludes most operators discussed on this site. The UKGC does not resolve individual disputes directly but requires licensees to use an approved ADR provider such as eCOGRA or IBAS.

US state regulators

If you are playing at a casino licensed in New Jersey, Pennsylvania, Michigan, West Virginia, Connecticut, Delaware or Rhode Island, you have a real regulator. Contact the state gaming commission directly. These bodies have enforcement authority and casinos respond to them promptly.

If you are playing at an offshore casino from a US state, no US regulator will assist. That is the trade-off of offshore play and it is worth understanding before you deposit. Our US casino rankings cover the legal position by state in detail.

eCOGRA

ecogra.org is an independent testing and dispute resolution body. Only relevant if the casino displays eCOGRA certification. Check the footer of the casino site.

Step 5: Make It Public

If mediation and licensing routes fail, public pressure is the remaining tool. Used correctly it works more often than people expect.

• Trustpilot. Write a factual review on the casino's verified profile. Stick to facts, dates and amounts. Casinos monitor these and respond publicly. Note that some profiles are unclaimed, meaning the casino may never see your review, so check whether the profile is verified first.
• Casino forums. Casinomeister and similar communities. Some casinos have representatives who monitor these and resolve issues to protect their reputation.
• Reddit. r/onlinegambling and country-specific gambling subreddits. Documented cases with screenshots occasionally reach operators.

Write factually in every case. Calling something a scam without evidence gets your post removed and undermines your credibility. A dated timeline with amounts and screenshots is what gets attention.

What Not To Do

Realistic Expectations

Being straight with you about outcomes.

Cases that usually get resolved: approved withdrawals that were not paid, verification delays with no explanation, account closures without stated reason, support failing to respond over an extended period, and technical errors during gameplay with clear evidence.

Cases that usually do not: anything involving a max bet rule breach, excluded games played with bonus funds, cashout caps applied as written, payment name mismatches, duplicate accounts, and disputes where the terms clearly cover the casino's action.

Timeframes: the casino's internal process takes one to three weeks. Mediation adds two to eight weeks. Licensing authority routes can run several months with no guarantee of outcome. Total resolution time for a contested case is commonly two to four months.

The uncomfortable reality of offshore gambling is that if an operator simply refuses to pay and does not care about its public rating, your options are limited. This is the risk you accept when playing outside a regulated jurisdiction, and it is the reason payout reliability carries the heaviest weight in our casino rating methodology.

Before depositing anywhere, check the rating and the cons section in our reviews. Both our Australian casino rankings and US casino rankings flag weekly payout limits, documented complaint patterns and licensing gaps for every operator we list. Casinos rated below 7.5 have something specific I found worth flagging during testing.

How to Avoid Ever Needing This Guide

Most disputes are preventable. From reviewing dozens of cases, these are the habits that keep you out of trouble:

• Complete verification on day one. The majority of withdrawal delays are KYC processing, not the casino stalling. Submit documents when you register.
• Play without bonuses if you want clean withdrawals. No wagering, no max bet rules, no cashout caps, no grounds for a dispute. Our no deposit bonus guide covers the specific terms that cause the most problems.
• Read the max bet rule before your first spin with any bonus active. This single rule accounts for more voided winnings than everything else combined.
• Use your own payment methods only. Never a partner's card, never a family member's account.
• Check the weekly cashout limit before you play at stakes that could produce a large win. A $3,000 weekly cap on a $20,000 win means seven weeks of waiting, and that is the casino operating normally rather than stalling.
• Save chat transcripts every session. Costs nothing and is invaluable if something goes wrong later.
• Check the casino's complaint history before depositing. AskGamblers and Casino Guru both publish resolution rates. A casino with many unresolved complaints will not treat yours differently.

Getting Help With a Casino On This Site

If you have a dispute with any casino listed on CasinoGuides.pro, contact me. Send the casino name, dates, amounts and what has happened so far. I will help where I can, including contacting the operator directly.

This also matters for the site itself. Player reports directly influence our ratings, and a pattern of unresolved complaints will get a casino flagged as not recommended or removed from our rankings entirely. That system only works if players tell me when something goes wrong. You can read more about who I am and why I built this site if you want to know who you are writing to.