Casino Welcome Bonus: What UK Players Actually Get in 2026

A casino welcome bonus is the first offer a licensed UK operator puts in front of a new depositor, and in 2026 the numbers behind those offers have shifted noticeably. Deposit matches still dominate, free spins remain the cheapest hook, and wagering requirements have tightened since the 2023 stake and bonus rules landed. This guide breaks down what the headline figure really means, how operators qualify to advertise it, and where the value sits across the brands UK players actually recognise.

Every offer on this page is measured against the same yardstick: what a player can realistically withdraw after meeting the stated conditions. That means reading beyond the percentage, past the cap, and into the small print where contribution rates, game exclusions, and time limits decide whether a bonus pays out or expires. The brands covered here hold a UK Gambling Commission licence or operate under an alternative regime, and each is labelled accordingly.

What a Casino Welcome Bonus Actually Delivers

How do deposit match percentages translate into real pounds?

A 100% match on a £20 deposit returns £20 in bonus funds, giving you £40 to play with before any winnings are converted. A 200% offer sounds twice as generous but usually caps at £50, so the effective return on a £100 deposit is 50%, not 200%. The percentage is marketing; the cap is the number that matters.

Across the UK market in 2026, the typical structure sits at 100% up to £100 or 50% up to £200. Grosvenor Casinos runs a deposit-match model tied to its physical venues, while Betfred casino and Coral casino both hold to the classic 100% match with a £25 to £50 ceiling. Sky Bet casino and Paddy Power casino lean on free-spin packages instead of cash matching, which changes the maths entirely.

The table shows why a headline number tells you almost nothing on its own. PlayOJO casino is the outlier that has built its brand on removing wagering requirements altogether, advertising a money-back style first-deposit deal rather than a multiplier. MrQ casino and Rainbow Riches Casino follow a similar no-wagering route on selected offers, which for a £20 depositor is often worth more than a 100% match with 35x attached.

Which bonus formats dominate the UK market in 2026?

Deposit match remains the single most common casino welcome bonus format among UK-licensed operators, appearing on roughly two-thirds of advertised first-deposit offers. Free-spin bundles take most of the remainder, and pure no-deposit offers have shrunk since operators tightened affordability checks. Cashback-style deals are growing fastest, now visible at Betfair casino, Kwiff, and several bingo-led brands.

The shift matters because each format carries a different risk profile for the player. A 200-spin package on a single Pragmatic Play slot such as Big Bass Bonanza restricts where you can play and often caps winnings at £100. A deposit match at 888 Casino or Unibet casino gives you range across NetEnt, Evolution, and Microgaming titles, but locks your cash behind a multiplier until the wagering completes.

• Deposit match: highest flexibility, longest clearing time, usually 30x to 40x.
• Free spins: lowest entry cost, narrow game selection, winnings capped in most cases.
• No deposit: rare in 2026, strict KYC before withdrawal, high wagering attached.
• Cashback: refund on net losses, often paid as cash with 1x turnover or none.

William Hill casino and Ladbrokes casino still run percentage matches as their primary hook, while Gala Bingo and Double Bubble Bingo push spin bundles because their audience skews toward slot play. PartyCasino and BetMGM casino, both backed by larger international groups, split the difference with tiered packages that reward deposits two and three as well as the first.

What wagering requirements look like on paper in 2026?

A 35x wagering requirement on a £50 bonus means £1,750 must be staked before the balance converts to withdrawable cash. At an average slot return-to-player of 96%, the expected cost of clearing that requirement is roughly £70, which exceeds the bonus itself on anything under a £70 grant. This is the arithmetic most advertised offers do not put in bold type.

The UK Gambling Commission's 2023 guidance on bonus terms pushed operators to publish clearer contribution tables, and by 2026 most licensed sites display them before deposit. Slots normally count 100%, blackjack and roulette often count 10% to 20%, and live dealer tables from Evolution frequently count 0% on welcome offers. Reading that table is the difference between a usable bonus and a decorative one.

Two patterns stand out from that table. No-wagering offers cluster at brands that also run bingo and casual slots, where session length matters more than deposit size. Traditional sportsbook-led operators such as bet365 casino and Sky Bet casino attach lighter multipliers but cap spin winnings tightly, which suits their cross-sell model. Neither structure is inherently better; the right choice depends on how much you deposit and which games you actually play.

Licensing, KYC and AML: What It Takes to Offer a Bonus

Why does a UKGC licence matter before you claim anything?

An operator cannot legally advertise a casino welcome bonus in Great Britain without a licence from the UK Gambling Commission, and that licence carries conditions on how offers are presented, timed, and funded. Since April 2022, bonus funds must be clearly separated from cash balances, and terms must be available before a player opts in. A site offering a headline match without visible licence details is not operating within the rules.

The licence also determines where your money sits. UKGC-licensed operators must hold customer funds in segregated accounts, either in a designated trust or through an insurance-backed arrangement, so a company failure does not wipe out your balance. Brands like Ladbrokes casino, Coral casino, and William Hill casino publish their licence numbers openly; offshore operators serving UK players under Curaçao or Anjouan licences do not carry the same safeguard.

Practical check: scroll to the footer, find the licence number, and confirm it against the Commission's public register. Takes two minutes. Saves a lot of regret later.

What KYC checks must a player complete before withdrawing bonus winnings?

Know Your Customer verification is mandatory for every UK-licensed casino before a first withdrawal, and the checks have become faster but stricter since the Money Laundering Regulations were tightened. Expect to provide photo ID, proof of address dated within three months, and sometimes a source-of-funds declaration if your deposit pattern looks unusual relative to your stated income.

Most operators now run automated document checks that clear standard cases within minutes, with manual review taking 24 to 72 hours in busier periods. Bet365 casino and bet365 casino brands generally complete verification during registration for players using a UK driving licence, while smaller operators such as MrQ casino and QuinnBet may request additional evidence before releasing bonus-derived funds. Delays here are the most common reason a welcome offer feels slower than advertised.

Conclusion: a casino that lets you claim a bonus and withdraw without asking who you are is not being helpful, it is being non-compliant. Complete KYC early, before you play, and the welcome offer stops being a waiting game.

How do AML obligations shape the offers you see advertised?

Anti-money-laundering rules require UK operators to monitor deposits, flag unusual patterns, and report suspicious activity to the National Crime Agency, which directly influences how generous a welcome bonus can be. A 500% match would attract exactly the deposit behaviour regulators watch most closely, so caps exist partly as a compliance decision rather than a marketing one. The £100 to £200 ceiling common across the market reflects that balance.

Operators must also run enhanced due diligence on players whose deposits cross defined thresholds, which in practice means a player funding an account with several thousand pounds in a short window will be asked to justify it before any bonus winnings are released. This is why brands such as Unibet casino, 32Red casino, and Betway publish separate responsible-gambling and AML policies, and why some accounts are restricted after a large first deposit even when the offer terms were met.

Conclusion: AML compliance is the reason your welcome bonus has a cap, a wagering requirement, and a verification step. These are not obstacles added after the fact; they are the conditions under which the operator is permitted to offer you anything at all.

Comparing the Top UK Operators on Bonus Value

Which major brands offer the strongest first-deposit terms?

Sorting UK operators by headline value alone produces a misleading ranking, because the strongest offer depends on deposit size, preferred games, and how quickly you want funds unlocked. For a £20 to £50 first deposit, no-wagering brands deliver the best expected return. For £100 and above, a capped percentage match with reasonable contribution rates usually wins, provided the cap is at least equal to the deposit.

Bet365 casino, William Hill casino, and Ladbrokes casino all run tiered welcome packages where the first deposit sets the tone and subsequent deposits unlock additional spins or match value. Sky Bet casino and Paddy Power casino keep offers deliberately light because their acquisition runs through sports. Gala Casino, Grosvenor Casinos, and Genting Casino tie parts of their offer to physical venues, which changes the value calculation for players who already visit.

Two entries deserve a closer look. Paddy Power casino's 1x wagering on spin winnings is effectively no wagering, which is rare for a major high-street brand. Betfred casino's daily spin drops turn a one-off welcome into a multi-day package, extending value well past the initial deposit. Neither is the largest headline figure, but both hold up better under real play.

How do bingo and slots-led brands differ from traditional casinos?

Bingo-led operators structure their welcome offers around spin packages and room tickets rather than cash matching, because their audience deposits less per session and plays shorter rounds. Gala Bingo, Foxy Bingo, Double Bubble Bingo, and Heart Bingo all run offers in the 50 to 200 spin range, typically with no wagering on winnings or a light 1x turnover. The trade-off is a narrower game selection tied to specific providers.

Slots-first brands such as JackpotJoy, Rainbow Riches Casino, and Monopoly Casino sit between the two models, offering modest deposit matches alongside spin bundles. Their terms tend to be shorter, with 7 to 14 day expiry windows rather than the 30 days common at full-service casinos. Providers featured across these sites include IGT, Pragmatic Play, and Games Global, with Hacksaw titles appearing more frequently since 2024.

The practical difference shows up in session behaviour. A bingo player depositing £10 twice a week gets more from a recurring spin drop than from a £100 match they never clear. A slots player depositing £100 once benefits from the opposite structure. Match the offer to your deposit pattern rather than the other way around.

Which operators attach the tightest restrictions to their offers?

Restrictions cluster around three areas: game exclusions, maximum bet limits during wagering, and withdrawal caps on bonus-derived winnings. Live casino tables from Evolution are excluded from most welcome offers entirely, and jackpot slots are commonly carved out as well. Maximum bet during wagering is typically set at £2 to £5 per spin, with breaches voiding the bonus outright.

Withdrawal caps are the restriction most often missed. A 200-spin offer at Sky Vegas casino or Virgin Games might cap total winnings at £100 regardless of what the spins return, and that cap applies before wagering even begins. Operators including 888 Casino, Casumo casino, and BetVictor publish these limits in the terms, but they sit below the fold of most promotional pages.

• Maximum bet during wagering: usually £2 to £5 per spin.
• Game weighting: slots 100%, table games 0% to 20%, live dealer often 0%.
• Winning caps on free spins: commonly £50 to £200.
• Expiry windows: 7 days at aggressive brands, 30 days at most major casinos.
• Country and payment exclusions: e-wallet deposits sometimes disqualify the offer.

Conclusion: read the restriction list before the offer page. An operator that hides a £100 win cap three clicks deep is telling you exactly how much the bonus is worth to them, which is usually close to what it will be worth to you.

Payment Methods, Deposits and Bonus Eligibility

Which deposit methods qualify for a welcome bonus in 2026?

Debit cards remain the default qualifying deposit method across UK-licensed casinos, and since the April 2020 credit card ban no UK operator can accept credit card deposits for gambling at all. Visa and Mastercard debit transactions clear instantly in almost every case, and both count toward welcome bonus eligibility at brands including bet365 casino, Ladbrokes casino, and Grosvenor Casinos without exception.

Electronic wallets introduce variability. Skrill and Neteller deposits are excluded from welcome offers at a significant share of UK operators, including several run by larger international groups, because those methods historically carried higher chargeback and fraud rates. PayPal is treated differently: it is accepted for bonus eligibility at most UK-facing sites, including Coral casino, Betfred casino, and Gala Casino, thanks to its own merchant screening requirements.

Bank transfer and open-banking deposits via Trustly or similar providers qualify at nearly every licensed site, though processing times run from a few minutes to one working day. Prepaid options such as Paysafecard are accepted at some operators but often excluded from bonus eligibility, and the exclusion is usually stated only in the payment terms rather than the offer terms.

Do minimum deposit amounts affect the bonus you receive?

Almost every UK welcome offer sets a minimum deposit of £10, and that threshold has been stable since 2022. Depositing less than the stated minimum means no bonus is triggered at all, and the funds simply sit as cash in your account. A few operators, including MrQ casino and QuinnBet, run offers at £10, while Grosvenor Casinos and Genting Casino occasionally set higher minimums tied to their venue-linked promotions.

The minimum also interacts with the match percentage in a way worth calculating. At 50% up to £200, a £10 deposit returns £5 in bonus, while a £200 deposit returns the full £200. The percentage does not scale down gracefully for small depositors, which is why low-stake players consistently get better raw value from free-spin offers than from percentage matches.

The table makes the crossover visible. Below £50, spin-based offers compete well because their value does not depend on deposit size. Above £100, percentage matches pull ahead unless the cap is low. At £200, the 50% match finally overtakes a capped 100% deal, which is the point where reading the cap stops being optional.

How fast do bonus funds and winnings reach your account?

Bonus credit itself is usually instant, applied the moment a qualifying deposit clears, but the timeline that matters is withdrawal. Once wagering completes, funds convert to a cash balance, and standard withdrawal processing runs from instant for PayPal and debit card to three working days for bank transfer. First withdrawals always include the KYC step described earlier, which can add 24 to 72 hours.

Operators publish their own withdrawal speed claims, and the variance is real. bet365 casino and Betfair casino consistently process e-wallet withdrawals within a few hours, while some smaller brands take the full stated window every time. Progressive jackpot wins follow a separate track entirely, often requiring manual verification and provider confirmation before release, which can stretch to several weeks regardless of the operator.

Conclusion: if withdrawal speed matters to you, check the operator's stated processing times before depositing, not after. The welcome bonus is the hook; the payout timeline is what you will remember six months from now.

Responsible Gambling, Affordability and Bonus Behaviour

What affordability checks apply before or during a welcome offer?

UK operators must carry out affordability assessments when a player's deposit behaviour crosses risk thresholds, and since the Gambling Act review concluded in 2023 these checks have moved earlier in the journey. In practice, a player depositing more than a set amount within a month, or showing rapid deposit patterns, will be prompted for income information before further deposits are accepted. The thresholds are set by each operator within Commission guidance, not published uniformly.

These checks are not triggered by the bonus itself. They are triggered by the deposits you make while chasing it, which is precisely why a large welcome offer can lead to an account restriction faster than a modest one. Brands including Unibet casino, Betway, and 888 Casino publish their affordability approach openly, and the pattern across all three is consistent: deposit volume drives the review, not win or loss history.

Players who would rather avoid the interruption can set deposit limits at registration, before any offer is claimed. Doing so does not disqualify you from the welcome bonus at any major UK operator, and it removes the surprise of a mid-session affordability prompt.

How do welcome offers interact with self-exclusion schemes?

GAMSTOP is the national self-exclusion register covering every UKGC-licensed operator, and registering blocks you from opening new accounts or claiming any welcome bonus across all participating sites for the period you select. Options run for six months, one year, or five years, and once set, the exclusion cannot be lifted early. Every brand listed in this article that holds a UK licence participates in the scheme.

Operators also run their own in-house exclusion tools alongside GAMSTOP, typically offering shorter cool-off periods of 24 hours to six weeks. These sit inside the account settings and apply to that brand only. For a player who has claimed a welcome offer and wants to stop, in-house exclusion takes effect immediately, whereas GAMSTOP registration can take up to 24 hours to propagate across all licensee systems.

Conclusion: self-exclusion and welcome bonuses are mutually exclusive by design. If you have registered with GAMSTOP, no licensed UK operator can legally offer you a first-deposit bonus, and any site that does is not operating under UK jurisdiction.

Which tools help you track bonus spend in real time?

Every UK-licensed casino must display a running balance of deposits, losses, and session time in the account area, and most now show bonus-specific progress as well. Wagering trackers that show how much of a requirement has been cleared are standard at bet365 casino, William Hill casino, Ladbrokes casino, and Coral casino, removing the guesswork from multipliers that run into the thousands of pounds.

Deposit limit tools, loss limits, and reality checks can all be configured before a welcome offer is claimed. Reality checks interrupt play at a set interval with a pop-up showing net position for the session, and timeout settings lock the account for 24 hours to six weeks. These are not optional extras under the Commission's licence conditions; they are conditions of holding the licence at all.

Used together, these tools turn a welcome bonus from an open-ended chase into a bounded activity with a defined cost. Set the limits first, then claim the offer. The order matters more than most players expect.

Provider Coverage, Game Weighting and Where Value Hides

Which game providers determine how quickly a bonus clears?

The provider behind a slot affects both its return-to-player and its volatility, and both feed directly into how fast a wagering requirement clears. NetEnt titles such as Starburst sit at 96.09% RTP with low volatility, producing steady small wins that grind through wagering predictably. Pragmatic Play's high-volatility releases do the opposite: long dry spells punctuated by large hits, which either finishes the requirement quickly or empties the balance before it lands.

Evolution dominates the live casino category and is excluded from most welcome offers entirely, which matters if live blackjack or roulette is your default. Microgaming and Games Global back-catalogue titles count at full rate but often carry lower RTP than newer releases, so a bonus cleared on legacy slots costs more in expected terms than the same wagering cleared on a 96.5% RTP Hacksaw release.

Evolution's blackjack at 99.5% RTP looks like the efficient way to clear wagering, and at 10% contribution it sometimes is, but at 0% contribution it contributes nothing at all. Check the contribution table before choosing your clearing game. The mathematically obvious choice and the permitted choice are rarely the same table.

Do jackpot slots count toward welcome bonus wagering?

Progressive jackpot slots are excluded from wagering requirements at a majority of UK-licensed casinos, and the exclusion is standard rather than unusual. The reasoning is straightforward: a jackpot hit can exceed the entire bonus budget in a single spin, which distorts the operator's expected cost model. Brands including bet365 casino, 888 Casino, and Grosvenor Casinos list jackpot titles as non-contributing in their terms.

Some operators allow jackpot play but exclude jackpot winnings from the bonus balance, meaning the prize is paid as cash while the base-game spins still count toward wagering. This is a better arrangement for the player and appears at Sky Bet casino, Paddy Power casino, and several bingo-led brands where jackpot games are central to the catalogue.

Conclusion: if jackpot slots are your reason for playing, confirm the exclusion before depositing. A welcome bonus that cannot be cleared on the games you actually want is not a welcome bonus, it is an obstacle with a percentage attached.

Where does the real expected value sit for a typical UK depositor?

Expected value on a welcome bonus is the bonus amount multiplied by one minus the house edge across the wagering requirement, minus any cap on winnings. For a £50 bonus at 35x with slots at 96% RTP, the wagering is £1,750 and the expected cost is roughly £70, producing negative expected value before any cap. The offer pays out only when variance runs in your favour or the multiplier is low enough to survive the arithmetic.

That is why no-wagering offers hold their value so consistently. A £20 spin package with no multiplier attached has an expected value close to its face value minus normal play variance, which for a 96% RTP slot is about 4% of turnover. The same £20 in bonus funds at 35x carries an expected value below zero for most depositors, and the difference compounds across multiple offers over a year.

Practical ranking for a £50 depositor in 2026: no-wagering spins first, low-multiplier deposit matches second, high-multiplier matches last. The headline percentage moves in the opposite direction to what actually reaches your balance, which is the single most useful thing to understand about any casino welcome bonus.

FAQ: Casino Welcome Bonus Questions Answered

What is a casino welcome bonus in the UK?

A casino welcome bonus is a first-deposit offer from a UK-licensed operator, most often a percentage match up to a cap, a bundle of free spins, or a no-wagering money-back deal. It is available once per player per site, requires a minimum deposit usually set at £10, and carries wagering requirements before any winnings become withdrawable cash.

How much wagering does a typical welcome bonus require?

Most UK welcome bonuses in 2026 carry wagering between 20x and 40x the bonus amount or spin winnings. A £50 bonus at 35x requires £1,750 in total stakes before withdrawal. No-wagering brands such as PlayOJO casino, MrQ casino, and Betfred casino remove the multiplier entirely, which makes their offers smaller on paper and stronger in practice.

Can I claim more than one welcome bonus?

You can claim one welcome offer per operator, but nothing stops you registering at several licensed sites. Each requires separate KYC verification, and operators cross-check identity details, so duplicate accounts under the same name or address will be closed and any bonus winnings voided. Most players hold three to five active accounts across different brands without issue.

Do I need to verify my identity before using a welcome bonus?

You can usually claim and play with a bonus before full verification completes, but no withdrawal will be processed until identity, address, and age checks are passed. UK-licensed operators are legally required to complete these checks before releasing funds, and most automate them within minutes when you supply a passport or UK driving licence at registration.

What happens if I do not meet the wagering requirement in time?

Unfinished wagering at the expiry date forfeits the bonus and any winnings derived from it; the original deposit typically remains as cash. Expiry windows run from 7 days at aggressive brands to 30 days at most major casinos. Track progress in your account dashboard, and if the deadline is unreachable, stop playing rather than chasing a requirement that costs more than it returns.

Are welcome bonuses available on mobile?

Every UK-licensed operator offers identical welcome terms on mobile and desktop, either through a browser or a dedicated app. Deposit methods, wagering requirements, and game weighting do not change between platforms. Some brands run app-exclusive spin drops, but these are additions to the standard offer rather than replacements for it.

Which is better, a deposit match or free spins?

For deposits under £50, free spins with no or low wagering usually deliver higher expected value because their worth does not scale with deposit size. For deposits of £100 or more, a 100% match with a cap at or above your deposit amount wins, provided contribution rates are 100% on the slots you play. Match the structure to your deposit, not the other way around.

How do I know an operator is legitimate before I deposit?

Check the UK Gambling Commission licence number in the site footer and confirm it against the Commission's public register, which lists every licensed operator and any enforcement history. Licensed brands including bet365 casino, William Hill casino, Ladbrokes casino, Coral casino, and Grosvenor Casinos display licence details prominently. Offshore operators serving UK players under Curaçao or Anjouan licences do not appear on that register.

Take the licence check seriously before the offer looks tempting. A welcome bonus is only worth claiming from an operator that is accountable to a regulator, holds your funds in segregated accounts, and can be held to the terms it advertises.

Play Responsibly

You must be 18 or over to gamble legally in Great Britain, and every operator named on this page verifies age during registration. Gambling involves real financial risk and is not a source of income. Set deposit limits before you claim any offer, and never chase losses with additional deposits.

If gambling is causing you harm, contact GamCare on 0808 8020 133, free and available 24 hours a day, 7 days a week. The national helpline provides confidential support and can direct you to local services. Self-exclusion across all UK-licensed operators is available through GAMSTOP, with exclusion periods of six months, one year, or five years that cannot be lifted once set.

Support is also available from the National Gambling Helpline and through Gamban, a blocking tool accepted by every UKGC licensee as part of its responsible gambling framework. Take the

check seriously rather than treating it as a formality, because the moment gambling stops being entertainment is the moment the welcome bonus stops mattering entirely.

National self-exclusion through GAMSTOP covers every operator licensed by the UK Gambling Commission, and registering takes roughly five minutes online. Once active, the block applies across all participating sites simultaneously, preventing new account openings and bonus claims for the full exclusion period. Pair it with deposit limits at individual operators if you prefer a softer boundary.

Final Thoughts on Choosing a Welcome Bonus

What should you check before claiming any offer?

Four things decide whether a welcome bonus is worth your money: the wagering multiplier, the cap on winnings, the contribution rate on your preferred games, and the expiry window. Read all four before depositing, not after. An offer with 35x wagering, a £100 win cap, 10% table contribution, and a 7-day deadline is a worse deal than a modest 20x offer with none of those restrictions, regardless of the headline percentage.

Cross-check those terms against the operator's licence status and payment methods at the same time. A bonus that excludes your usual deposit method or your preferred provider is not a bonus, it is a constraint. bet365 casino, William Hill casino, Ladbrokes casino, Coral casino, Paddy Power casino, Betfred casino, and Grosvenor Casinos all publish complete terms before opt-in, which is the standard every licensed operator is held to.

Which structure suits different player profiles?

Low-stake depositors who put in £10 to £30 per session get the most from no-wagering spin packages at brands like PlayOJO casino, MrQ casino, and Betfred casino. Mid-range depositors at £50 to £100 do better with 100% matches capped at or above their deposit, provided slot contribution is 100%. High-volume depositors above £200 should prioritise the cap size over the percentage, since a 50% match to £200 returns more than a 100% match capped at £100.

Bingo and casual slots players are better served by recurring spin drops than by one-off matches, because their deposit pattern is frequent and small rather than rare and large. Live casino specialists will find most welcome offers exclude their preferred games entirely, and for that profile a cashback offer with no game restrictions is the only structure that delivers consistent value.

How should you approach multiple offers across a year?

Claiming welcome offers across several licensed operators is standard practice and entirely within the rules, provided each account is registered in your own name and passes independent KYC. Most experienced players hold three to five accounts and rotate deposit activity, which keeps them eligible for reload offers and loyalty rewards after the initial welcome package is cleared. Spreading deposits also keeps affordability thresholds from clustering at a single operator.

Track what you have claimed, what wagering remains active, and when each offer expires. A simple spreadsheet with operator, deposit date, bonus amount, wagering remaining, and expiry date prevents the most common failure mode: forgetting an active requirement and losing the balance to a deadline. The arithmetic is not complicated, but it does require you to write things down.

The operators covered in this guide, from bet365 casino and William Hill casino through to MrQ casino, PlayOJO casino, Grosvenor Casinos, and Gala Casino, each publish their current terms on the offer page itself. Check them there, at the moment you are deciding, rather than relying on a summary from any third party including this one.

A casino welcome bonus is a marketing tool with regulated terms, and understanding those terms is what separates a player who extracts value from one who merely chases a percentage. Read the multiplier, check the cap, confirm your games contribute, verify the licence, and only then deposit.