The first thing to know about signing up at 55Bet is the size of the welcome offer: a 100% casino bonus up to €100, with a wagering requirement of 35x. Sports bettors get their own deal, a 100% bonus up to €200. Both sit behind a registration form that takes a few minutes, and the bonus money only becomes withdrawable once you have played through it. A page about the brand, siriussydney.com.au, is one of several places where Australian readers come across the 55Bet name before they decide whether to open an account.
Registration runs on the operator’s mobile-optimised website, in English or Arabic, and there is no app to download for iOS or Android. The licence behind the site is a Curaçao licence held by Novatech Solutions N.V., and it was not issued in Australia. Below is the order that keeps the first deposit clean: account, bonus, payment method, limits, then the documents you will need before any withdrawal.
What stands out at 55Bet before you register
The welcome offer is split by product, which suits anyone who wants both a casino account and a sportsbook under one login. The casino side pays 100% up to €100. The sports side pays 100% up to €200. A single wagering figure, 35x, covers the bonus according to the operator, and the bonus terms decide whether that multiplier applies to the bonus alone or to deposit plus bonus, so read them before you opt in.
Payment methods are where the sign-up decision gets practical. Visa, Mastercard, Skrill, Neteller, Paysafecard, Bitcoin, AstroPay, Zimpler, Revolut, MuchBetter, Jeton, bank transfer and Litecoin are all listed. One restriction matters at the very start: depositors using Skrill or Neteller cannot claim the welcome bonus. If either e-wallet is your usual method, choose a different one for the first deposit or accept that the welcome offer is closed to you.
Our preference for a first deposit is a method that keeps the bonus open and the record simple, which in practice means avoiding those two e-wallets until the bonus is claimed. Withdrawal limits are high at €10,000 a day, and that figure is worth knowing before you deposit rather than after a win. The site carries around 4,000 games from providers including NetEnt, Playtech, Evolution Gaming, Nolimit City and Pragmatic-adjacent studios such as Big Time Gaming and Relax Gaming, so the first deposit has plenty to sit against. Customer support runs a live chat that is open before registration as well as after, which helps if a step below stalls.
How to sign up and make your first deposit, step by step
The sequence below follows the order the operator’s own flow implies. Keep the bonus terms open in a second tab while you work through it.
- Open the 55Bet site on your phone or desktop and start the registration form. Fill in your name, date of birth, address and email exactly as they appear on your ID, because mismatches surface again at verification.
- Choose your currency and confirm you are 18 or over. Set a password you do not use elsewhere.
- Log in and go to the cashier. Pick a deposit method other than Skrill or Neteller if you want the welcome bonus.
- Enter the amount. The minimum deposit is not stated in the brand information we hold, so check the cashier screen or ask live chat for the exact figure before you commit.
- Enter the bonus code if the cashier asks for one. The brand information does not name a code, so confirm the current one in the promotion terms or with support rather than guessing.
- Set your deposit limit and any other limits you want in the account settings before you play, not after a losing session.
Strengths and weaknesses that affect a first deposit
Two things work in your favour at this stage. Live chat is available before you register, so a question about the bonus code or minimum deposit can be answered without an account. And the range of payment methods, thirteen in total including crypto, means most players find something familiar for the first deposit.
- Live chat before and after registration, described as fast and professional in the operator’s own summary.
- High withdrawal limits of €10,000 a day, which matters once bonus play turns into a balance you want to take out.
- Crypto-friendly, with Bitcoin and Litecoin among the methods.
- No app needed: the mobile-optimised site covers registration and cashier on a phone.
The catches are specific and worth weighing before you deposit.
- Skrill and Neteller depositors cannot claim the welcome bonus.
- Possible withdrawal fees, so a first withdrawal may not arrive at the full amount you requested.
- Limited responsible gaming options, which is why the limits step above belongs at the start rather than later.
- No dedicated app for iOS or Android.
What to read in the bonus terms before you deposit
The 35x figure is the one that decides how much play the bonus needs. A hypothetical €100 deposit matched at 100% gives €100 in bonus money; at 35x on the bonus alone that is €3,500 of wagering, and at 35x on deposit plus bonus it is €7,000. Which of the two applies is set in the terms, not in the headline.
- Whether the 35x applies to the bonus alone or to deposit plus bonus.
- Which games count towards wagering, and at what percentage, since slots and live casino tables rarely count the same.
- The time limit for meeting the requirement.
- The maximum bet allowed while a bonus is active.
- The current bonus code, if one is required at deposit.
- The rule excluding Skrill and Neteller deposits from the welcome offer.
Common questions about the 55Bet sign-up
Can I claim both the casino and the sports welcome offer?
The brand information lists them as separate offers, one at 100% up to €100 for the casino and one at 100% up to €200 for sports. Whether a single account can hold both at once is a question for the promotion terms or live chat. Ask before you deposit, because the answer changes how much you put in first.
What do I need to verify before my first withdrawal?
The operator asks for identity documents case by case, and the brand information does not list which ones. Standard practice is a photo ID and proof of address, but confirm the exact list with support so nothing delays the payout. Verification is worth starting early, ideally right after registration.
Is there a 55Bet app for my phone?
No. The site is mobile-optimised and works in a phone browser, and there are no apps for iOS or Android. Registration, the cashier and the games all run through the browser version, so bookmark the site rather than searching an app store.
The verdict on registering and depositing at 55Bet
For a first deposit, siriussydney.com.au is straightforward if you pick the right payment method and read the 35x terms before opting in. The split welcome offer, the live chat that is open before registration and the €10,000 daily withdrawal limit are real advantages. The Skrill and Neteller exclusion, possible withdrawal fees and thin responsible gambling tools are the reasons to slow down at the cashier rather than rush the bonus. The site operates under a Curaçao licence held by Novatech Solutions N.V., and that licence was not issued in Australia.
Our advice is to set your deposit limit in the same session you register, before any bonus is active. Gambling is for adults only, 18+, and a bonus is no reason to deposit more than you planned. If gambling stops being fun, free and confidential support services in Australia can help, and play only with money you can afford to lose.
This text draws on what the operator states about 55Bet, including its own summary of strengths and weaknesses, and on no independent testing; we made no deposit or withdrawal ourselves. It was last updated in November 2026. Where this text and the operator’s terms differ, the terms apply.