Last updated: 17/03/2026
Relevance verified: 26/04/2026

1. Introduction and Acceptance of Terms

These Terms & Conditions govern your use of the Onyx Casino platform, operated by Onyx Gaming Ltd, whose registered address is The Coach House, Headgate, Colchester, United Kingdom. By registering an account, accessing any part of the website at onyx-casino-uk.com, or placing any wager, you confirm that you have read, understood, and agreed to be bound by these Terms in their entirety.

If you do not accept these Terms, you must not use this website or any of its services. Onyx Gaming Ltd reserves the right to amend these Terms at any time. Any changes will be communicated via the website, and your continued use of the platform following publication of amendments constitutes acceptance of the revised Terms.

These Terms are governed by and construed in accordance with the laws of England and Wales.

2. Licensing and Regulatory Information

Onyx Casino is operated under licence number 64666. The platform complies with all applicable requirements set out under the Gambling Act 2005 and any associated regulations issued by the relevant licensing authority.

If you have concerns about the conduct of Onyx Casino, you may raise a formal complaint with the relevant regulatory body. Contact details for the licensing authority are available on the Licence Information page at onyx-casino-uk.com/license-information/.

Onyx Gaming Ltd is committed to operating a fair, transparent, and socially responsible gambling service. All games offered on the platform are regularly tested for fairness and randomness by independent auditing bodies.

3. Eligibility and Account Registration

3.1 Age Requirement

You must be at least 18 years of age to register an account and use the services provided by Onyx Casino. It is a criminal offence for anyone under the age of 18 to gamble. We actively enforce age verification and take all reasonable steps to prevent underage gambling.

Prior to permitting any withdrawals or, in some cases, prior to permitting continued gameplay, we will request verification of your age and identity in accordance with our Know Your Customer (KYC) procedures. Failure to provide satisfactory documentation will result in account suspension.

3.2 One Account Per Person

Each customer is permitted to hold only one registered account with Onyx Casino. Opening multiple accounts constitutes a breach of these Terms and may result in the closure of all associated accounts, along with the forfeiture of any bonus funds or pending withdrawals.

3.3 Accurate Registration Information

When registering, you must provide accurate, complete, and up-to-date information, including your full legal name, date of birth, home address, and a valid email address. Any material change to this information must be communicated to us promptly via [email protected] or by calling +447458159505.

3.4 Prohibited Territories

This platform is intended for use by residents of the United Kingdom only. Access from jurisdictions where online gambling is prohibited or not regulated is not permitted. The use of VPN software or other technical means to circumvent geographical restrictions is strictly prohibited and will result in account termination.

4. Account Verification (KYC)

In accordance with our obligations under the UK’s Anti-Money Laundering (AML) regulations and the requirements of our operating licence, all customers are required to complete identity verification before withdrawals are processed.

You may be asked to provide one or more of the following:

  • A government-issued photo ID (passport, driving licence, or national identity card)
  • Proof of address issued within the last three months (utility bill, bank statement, or council tax letter)
  • Proof of payment method (screenshot or photograph of the card or e-wallet used)
  • Source of funds documentation where required by our AML procedures

We reserve the right to request enhanced due diligence documentation at any point in the customer relationship. Account access may be restricted until verification is complete.

5. Deposits and Payments

5.1 Accepted Payment Methods

Onyx Casino currently accepts the following deposit methods: Visa, Mastercard, Apple Pay, Google Pay, Bitcoin (BTC), Tether (USDT), and Ethereum (ETH).

All fiat transactions are processed in GBP. Cryptocurrency deposits are converted at the prevailing exchange rate at the time the transaction is confirmed on the relevant blockchain.

5.2 Minimum and Maximum Deposits

Minimum and maximum deposit limits vary by payment method and may be subject to change. Current limits are displayed during the deposit process within your account dashboard.

5.3 Deposit Processing

Fiat deposits made via Visa, Mastercard, Apple Pay, and Google Pay are credited to your account immediately upon confirmation from the payment provider. Cryptocurrency deposits are credited following the required number of network confirmations, which varies by asset.

Onyx Casino does not charge fees on deposits, though your payment provider may apply their own charges.

5.4 Third-Party Payments

You may only deposit funds from payment methods registered in your own name. Deposits from third-party accounts, including those of family members, are not permitted. Any such deposit may be reversed, and the account may be suspended pending investigation.

6. Withdrawals

6.1 Processing Times

Withdrawal requests are typically reviewed within 24 hours of submission. Once approved, funds are transferred to your nominated payment method. Estimated transfer times are as follows:

  • Visa / Mastercard: 1 to 3 business days
  • Apple Pay / Google Pay: 1 to 2 business days
  • Bitcoin, Ethereum, USDT: typically within 24 hours following approval, subject to network conditions

6.2 Withdrawal Conditions

All withdrawals are subject to successful completion of our KYC process. You may only withdraw to a payment method that was used to make a deposit into your account. Withdrawal requests cannot be submitted if there are pending bonus wagering requirements on your account balance.

We reserve the right to conduct additional security checks before processing any withdrawal. During this period, the withdrawal request will be placed on hold. We will contact you at the email address registered to your account if further information is required.

6.3 Withdrawal Limits

Minimum and maximum withdrawal limits apply and are shown within your account. Where required, we may apply enhanced limits in line with our responsible gambling obligations or AML procedures.

7. Bonuses and Promotions

7.1 General Bonus Conditions

All bonuses and promotional offers are subject to specific terms, which are published alongside each individual offer. These Terms form a general framework and should be read in conjunction with any offer-specific terms.

7.2 Welcome Bonus

New players who register at onyx-casino-uk.com and make their first qualifying deposit may be eligible for a welcome bonus. Full details, including the minimum deposit required, the bonus percentage, any free spins awarded, and applicable wagering requirements, are displayed on the Bonuses page.

Bonus funds and any winnings from free spins are typically subject to wagering requirements. Until these requirements are met, bonus funds cannot be withdrawn. Wagering requirements must be completed within the validity period specified for each offer. If the validity period expires before the requirements are met, any remaining bonus funds and associated winnings will be forfeited.

7.3 No Deposit Bonuses and Free Spins

Where a no deposit bonus or free spin promotion is offered, any winnings derived from such offers may be subject to a maximum withdrawal cap. This cap will be stated in the specific terms of the offer.

7.4 Bonus Eligibility

Bonuses are available to UK residents who are 18 years of age or older. Bonuses are available per household, per IP address, and per device. We reserve the right to withdraw or amend any bonus offer at any time without prior notice where we have reasonable grounds to do so, including evidence of fraud or bonus abuse.

7.5 Abuse of Bonus Offers

Any attempt to exploit bonuses through irregular playing patterns, coordinated wagering, or other methods designed to circumvent wagering requirements constitutes bonus abuse. Where we identify such activity, we reserve the right to void bonuses and associated winnings, and to close the relevant account.

8. Games and Software

8.1 Game Availability

Onyx Casino offers a range of casino games including online slots, live dealer games, table games, and instant-win products. The game portfolio may vary over time, and certain games may be unavailable in specific circumstances, including maintenance periods or at the request of the game provider.

8.2 Game Rules

Each game has its own set of rules and paytable, which can be accessed within the game interface. You are responsible for familiarising yourself with the rules of any game before playing.

8.3 Random Number Generation

All non-live games on the platform use certified Random Number Generator (RNG) technology to ensure that outcomes are unpredictable and fair. RNG certification details are available upon request.

8.4 Malfunction Voids Play

In the event of a game malfunction, software error, or technical failure that affects the outcome of a wager, we reserve the right to void all bets placed during the affected period. No liability will be accepted for losses arising from technical faults outside our reasonable control. Where a malfunction results in an incorrect credit or win display, we are not obligated to honour the erroneous amount.

9. Responsible Gambling

Onyx Gaming Ltd takes its duty of care obligations seriously and is committed to promoting safe and responsible gambling for all customers.

9.1 Responsible Gambling Tools

The following player protection tools are available in your account settings:

Deposit Limits: You may set daily, weekly, or monthly deposit limits at any time. Requests to reduce a limit take effect immediately. Requests to increase a limit are subject to a 24-hour cooling-off period.

Reality Checks: You may configure on-screen notifications that alert you to the amount of time you have spent playing during a session.

Session Time Limits: You may set a maximum session duration, after which you will be automatically logged out.

Self-Exclusion: You may request to be excluded from all gambling services for a minimum period of six months. Self-exclusion requests are processed promptly. Once applied, self-exclusion cannot be reversed before the agreed period ends.

Cooling-Off Periods: Short-term breaks of between one day and six weeks can be applied to your account without permanent closure.

9.2 GAMSTOP

Onyx Casino participates in the GAMSTOP national self-exclusion scheme, which allows players to self-exclude from all UK-licensed online gambling operators simultaneously. You can register with GAMSTOP at www.gamstop.co.uk.

9.3 Support Organisations

If you feel that gambling is negatively affecting your life, we encourage you to seek help. The following organisations provide free and confidential support:

  • BeGambleAware: www.begambleaware.org
  • Gambling Therapy: www.gamblingtherapy.org
  • GamCare: www.gamcare.org.uk
  • Gamblers Anonymous: www.gamblersanonymous.org.uk

9.4 Underage Access

Parents and guardians are encouraged to use parental control software to prevent underage access to gambling websites. Services such as Gamban and Net Nanny can be used to block gambling content.

10. Account Closure and Suspension

10.1 Closure by the Customer

You may request closure of your account at any time by contacting our support team at [email protected] or by calling +447458159505. Prior to closure, any outstanding balance will be returned to you via your nominated payment method, subject to verification requirements being met.

10.2 Suspension or Closure by Onyx Casino

We reserve the right to suspend or close any account, with or without prior notice, in the following circumstances:

  • Breach of these Terms and Conditions
  • Provision of false, misleading, or fraudulent registration information
  • Collusion, cheating, or use of software tools to gain an unfair advantage
  • Suspected money laundering or other financial crime
  • Requests from regulatory or law enforcement authorities
  • Activity inconsistent with normal player behaviour that cannot be satisfactorily explained

Where an account is closed due to a breach of these Terms, any bonus funds held in the account will be forfeited. Real-money balances will be returned to the customer following any required investigations, subject to applicable legal obligations.

11. Anti-Money Laundering

Onyx Gaming Ltd operates a comprehensive Anti-Money Laundering (AML) programme in compliance with the Proceeds of Crime Act 2002 and associated regulations. We are obligated to report any activity that raises suspicion of money laundering to the relevant authorities.

We may, at any point, request documentation to verify the source of funds deposited into your account. Failure to provide satisfactory documentation may result in the suspension of your account and withholding of funds pending investigation.

12. Privacy and Data Protection

Onyx Gaming Ltd processes your personal data in accordance with the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018. Full details of how we collect, use, and store your personal data are set out in our Privacy Policy, available at onyx-casino-uk.com/privacy-policy/.

13. Cookies

This website uses cookies to improve your browsing experience and to provide certain functionality. Our use of cookies is governed by our Cookie Policy, available at onyx-casino-uk.com/cookie-policy/.

14. Intellectual Property

All content on onyx-casino-uk.com, including but not limited to graphics, logos, text, software, and game content, is the property of Onyx Gaming Ltd or its licensors and is protected by applicable intellectual property laws. You may not reproduce, copy, distribute, or exploit any content from this website without our prior written consent.

15. Limitation of Liability

To the fullest extent permitted by law, Onyx Gaming Ltd shall not be liable for:

  • Any loss of profit, revenue, or anticipated savings
  • Any indirect, incidental, or consequential loss arising from your use of the platform
  • Losses arising from technical failures or interruptions outside our reasonable control
  • Any reliance placed on content or information displayed on the website

Nothing in these Terms shall exclude or limit our liability for death or personal injury caused by negligence, fraud, or any other liability that cannot be excluded by law.

16. Dispute Resolution

16.1 Customer Complaints

If you have a complaint about any aspect of our service, you should contact us in the first instance at [email protected] or by calling +447458159505. Our support team is available to assist you and will endeavour to resolve complaints promptly.

If your complaint is not resolved to your satisfaction at the initial stage, you may escalate it in writing to our complaints team at the address: The Coach House, Headgate, Colchester, United Kingdom. We aim to provide a final response to all formal complaints within eight weeks.

16.2 Alternative Dispute Resolution

If you remain dissatisfied following our final response, you have the right to refer your complaint to an independent Alternative Dispute Resolution (ADR) provider approved by the relevant licensing authority. Details of the applicable ADR provider are available on our Licence Information page at onyx-casino-uk.com/license-information/.

17. Miscellaneous

Severability: If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions will continue in full force and effect.

Entire Agreement: These Terms, together with our Privacy Policy, Cookie Policy, Responsible Gambling Policy, and any applicable bonus terms, constitute the entire agreement between you and Onyx Gaming Ltd with respect to the use of our services.

Waiver: Our failure to enforce any right under these Terms shall not constitute a waiver of that right.

Language: These Terms are written in English. In the event of any discrepancy between the English version and any translation, the English version shall prevail.

18. Contact Information

For all account-related queries, complaints, responsible gambling requests, or verification enquiries, please contact us using the following details:

Email: [email protected] Telephone: +447458159505 Postal Address: The Coach House, Headgate, Colchester, United Kingdom Website: onyx-casino-uk.com

Onyx Gaming Ltd is committed to responding to all enquiries within one business day.

18+ | Gambling can be addictive. Please play responsibly. BeGambleAware.org | GamblingTherapy.org

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