150 Free Spins No Deposit: How UK Casinos Structure the Offer in 2026
A 150 free spins no deposit deal sounds like the loudest headline in online gambling, and it usually is. The catch sits in the fine print: wagering rules, game restrictions, win caps, and the licence behind the brand. This guide breaks down how the offer actually works for UK players in 2026.
Below, we compare real offers across more than 40 licensed operators, explain why a UK-licensed casino and an offshore site structure the same "150 free spins" differently, and show what happens to your balance once wagering starts. Numbers first, marketing language never.
What Does 150 Free Spins No Deposit Actually Mean?
No deposit free spins are awarded before you fund an account. You register, verify your identity, and the spins land in your balance, typically at a fixed stake of 10p per spin. That means 150 spins at 10p equals £15 of theoretical play value, before wagering and caps apply.
How many spins do you really get, and at what stake?
Most UK offers split the 150 spins into batches: 50 on day one, 50 on day two, 50 on day three. Stake size is fixed by the operator, usually 10p, sometimes 20p. A 150-spin pack at 20p gives £30 of spin value; at 10p it gives £15. The headline number rarely equals cash.
Practical example: MrQ gives 5 no wagering spins on registration, then batched offers after a £10 deposit. Gala Bingo runs 150 free spins promotions tied to a £10 spend rather than pure no-deposit. Pure no-deposit 150-spin packs are rare in the UK market and mostly appear as welcome bundles with a small deposit trigger.
What is the real value of 150 spins at 10p?
Do the arithmetic. 150 × £0.10 = £15 gross spin value. Average slot RTP in the UK is around 96%, so expected return before wagering is roughly £14.40. Apply a 35x wagering requirement on winnings and you must cycle £504 before withdrawing. Expected value drops sharply once you factor in variance.
| Component | Typical UK figure | Effect on player |
|---|---|---|
| Spin stake | 10p–20p | Fixes gross value at £15–£30 |
| Wagering requirement | 20x–40x | £300–£600 turnover on £15 wins |
| Max cashout cap | £50–£100 | Truncates jackpot wins |
| Expiry window | 7–30 days | Unused spins expire |
| Eligible games | 1–3 slots | Restricts choice |
Which games can you play the spins on?
Operators restrict spins to specific titles to control cost. Common partners include Big Bass Bonanza (Pragmatic Play), Starburst (NetEnt), and Fluffy Favourites (Eyecon). Progressive jackpot slots are almost always excluded, as are table games and live dealer titles from Evolution. Check the eligible games list before you register, not after.
Some brands widen the pool. PlayOJO and MrQ run no-wagering promotions where spins apply across a broader selection. Others lock you into one low-volatility title where maximum win potential sits around 500x stake. That difference matters more than the spin count itself.
Why Licensed UK Casinos Structure Bonuses Differently Than Offshore Sites
This is the part most comparison sites skip. A UK Gambling Commission licensed operator and a Curaçao-licensed casino can advertise the same "150 free spins no deposit" headline, yet the underlying economics, tax treatment, and risk provisioning differ substantially. Understanding that gap explains why UK offers look smaller on paper.
How does UK point-of-consumption tax shape bonus size?
Since 1 April 2015, remote gambling operators serving UK customers pay 15% point-of-consumption tax on gross gaming yield, with a £250,000 annual allowance for smaller operators. That tax hits revenue before bonuses are netted off in some accounting treatments, so a UK operator budgets bonus cost against a taxed base. Offshore operators licensed in Curaçao or Anjouan pay no equivalent UK duty.
The arithmetic consequence is straightforward. A UK casino offering £15 of theoretical spin value must recover that cost plus 15% tax plus licensing fees plus the Gambling Commission's annual levy. Offshore sites face none of those fixed costs, so they can inflate headline spin counts without the same margin pressure.
What compliance costs sit behind a UK welcome offer?
UK operators fund several obligations that offshore sites do not. The Gambling Commission's annual licence fee runs from £2,416 for a basic operating licence up to £36,051 for large-scale operators. Contribution to research, prevention and treatment sits at 0.1% of gross gambling yield for operators earning over £500,000 annually, collected quarterly.
Then there is affordability checking. Since 31 October 2025, operators must complete mandatory financial checks when a customer's cumulative deposits reach £1,000 in a rolling 30-day period, or £2,000 in 90 days. Every check costs operational time. Offshore operators serving UK players from outside the jurisdiction skip that entire workflow.
| Obligation | UKGC-licensed | Curaçao / offshore |
|---|---|---|
| Remote gaming duty | 15% of GGY | 0% to UK |
| Annual licence fee | Up to £36,051 | Circa $12,000–$40,000 lump |
| Research levy | 0.1% of GGY | Not applicable |
| Affordability checks | Mandatory at £1,000/30 days | Not required |
| Game RTP disclosure | Published per title | Often undisclosed |
| Self-exclusion integration | GamStop required | Voluntary only |
Do offshore casinos offer bigger no-deposit spin packs?
Often, yes. Brands like Mystake, Goldenbet, Donbet, Fat Pirate, NineWin, Rolletto and Velobet advertise 150, 200, even 500 free spins with no deposit, funded by lower overheads and no UK duty. Their wagering requirements frequently sit at 30x–50x, and win caps at £100 or lower, which quietly neutralises the headline advantage.
These operators are not illegal in their own jurisdictions. They hold licences from Curaçao eGaming, Anjouan, or Kahnawake, and they are not authorised to transact with UK customers under the Gambling Act 2005. Present them factually: offshore licence, different tax regime, no GamStop integration, no UK dispute resolution through IBAS.
Conclusion: a UK-licensed casino will always show a smaller spin count than an offshore competitor because the tax, levy, and compliance stack is real money. If headline size is your only criterion, you are comparing two different products.
Top UK Operators Offering Free Spins in 2026
We reviewed more than 40 UK-facing brands for their current free spin mechanics. The table below summarises what each actually delivers, not what the banner claims. Figures reflect offers live as of Q1 2026 and change frequently, so verify on the operator's promotions page before depositing.
Which big-name casinos run no-deposit spin offers?
William Hill, Ladbrokes, Coral, Betfred and Paddy Power all run periodic free spin promotions, but they are generally tied to a qualifying bet or a £10 deposit rather than pure no-deposit. Sky Bet and Sky Vegas run occasional no-deposit spins for verified new customers, usually 50 to 100 spins on a named slot.
Gala Bingo, Foxy Bingo, Sun Bingo, Double Bubble Bingo and Heart Bingo lean into spins as currency: their welcome packages bundle bingo tickets with 50 to 200 spins. Pure casino brands like 888 Casino, Virgin Games, PartyCasino, BetVictor and Grosvenor Casinos tend to favour matched deposit bonuses with a spin component attached.
Which newer brands push the 150-spin headline hardest?
Midnite, MrQ, Pub Casino, Kwiff, talkSPORT BET, LiveScore Bet and Betano entered the UK market after 2020 and use aggressive spin counts to buy attention. MrQ stands out with no-wagering spins, which means what you win is withdrawable immediately, capped at a stated amount per batch.
Further down the list, SpinGenie, Ivy Casino, PricedUp, BetWright, Mega Riches and Dream Jackpot run 150 to 300 spin welcome bundles triggered by a £10 or £20 first deposit. Their wagering sits at the industry standard 35x to 40x, with 30-day expiry windows.
| Operator | Free spins offer | Trigger | Wagering |
|---|---|---|---|
| MrQ | 50 spins, no wagering | £10 deposit | 0x |
| Gala Bingo | 150 spins + tickets | £10 deposit | 35x |
| Sky Vegas | 100 spins | Registration, verified | None on spins |
| 888 Casino | 50 spins | £10 deposit | 30x |
| PlayOJO | 50 spins, no wagering | £10 deposit | 0x |
| JackpotJoy | 50 spins | £10 deposit | 40x |
| Virgin Games | 30 spins | £10 deposit | 40x |
| BetMGM | 100 spins | £10 deposit | 35x |
| LeoVegas | 50 spins | £10 deposit | 35x |
| Unibet | 50 spins | £10 deposit | 35x |
Do bingo brands give more spins than casino brands?
Yes, structurally. Bingo operators monetise on ticket volume and cross-sell, so they can afford richer spin bundles. Foxy Bingo, Fabulous Bingo, Lucky Pants, Rainbow Riches Casino, Monopoly Casino and The Pools regularly bundle 100 to 200 spins with bingo entry. Casino-only brands like Videoslots, Casumo, Duelz and Voodoo Dreams concentrate value in deposit matches instead.
That split reflects the underlying product economics rather than generosity. Bingo rooms carry lower variance per customer, so the operator can absorb a larger promotional spin budget without wrecking unit economics. Casino brands with high-volatility slots cannot do the same at scale.
Wagering Requirements, Win Caps and the Fine Print
Wagering is where a 150 free spins offer either survives or dies. A 35x requirement on £15 of winnings means £525 of turnover. At an average slot contribution rate of 100%, that is roughly 5,000 spins at 10p. Most players never reach it, which is precisely the design intent.
What wagering multiplier should you expect in the UK?
The market clusters around 35x. Bet365, Betway, 32Red and NetBet sit at 30x to 40x. PlayOJO and MrQ run zero wagering. Gala Casino, Coral and Ladbrokes apply 40x on spin winnings. Offshore operators frequently advertise 30x but exclude most slots from contribution, making the effective requirement far higher.
Contribution rates matter as much as the multiplier. Slots normally count 100%. Blackjack and roulette often count 10% to 20%. Live dealer games from Evolution sometimes count 0%. A 35x requirement on blackjack at 10% contribution is effectively 350x. Read the contribution table before you play.
How do win caps limit a 150-spin bonus?
Most no-deposit offers cap cashable winnings at £50 to £100. Land a £2,000 hit on spin 40 and the balance is truncated to the cap. This is legal, disclosed in the terms, and universal across UK-licensed brands. Bet365 caps at £50 on free spins; William Hill at £100 on selected promotions.
Some brands cap per-spin wins instead of total wins, which behaves differently under high variance. Pragmatic Play titles like Gates of Olympus can pay 5,000x stake in a single spin; a per-spin cap of 100x neutralises that instantly. Check whether the cap applies to the total or the individual spin.
What expiry windows apply to unused spins?
Standard is 7 days from crediting. Some operators give 24 hours for batched spins, others 30 days for the full pack. Miss the window and the spins vanish along with any accumulated winnings. JackpotJoy and Heart Bingo enforce 7-day expiry strictly; Ladbrokes and Coral often extend to 14 days on deposit-triggered batches.
Set a reminder the moment you claim. Players routinely lose balances worth £30 to £80 simply because a batch expired over a weekend. That is not a rigged system, it is a calendar.
How to Evaluate a 150 Free Spins Offer Before You Register
Five checks take under five minutes and tell you more than any review site. Run them on every offer before you hand over an email address, because once your data is in a CRM you will receive promotion emails for months.
Is the casino licensed and where can you verify it?
Scroll to the footer of the site. A UK-facing operator must display its Gambling Commission licence number, typically in the format 000-012345-R-312345-001. Enter that number in the Gambling Commission public register to confirm status, conditions, and any enforcement history. Brands like Bet365, William Hill, Sky Bet and Ladbrokes hold long-standing licences with clean records.
Offshore brands display a Curaçao seal or an Anjouan licence number instead. Neither carries UK consumer protections. If the footer says "licensed in Curaçao" and the site accepts GBP deposits from UK IP addresses, you are outside the Gambling Act 2005 perimeter.
What are the wagering and cap terms in plain numbers?
Find three figures: the wagering multiplier, the maximum cashout, and the expiry window. Multiply the multiplier by your expected winnings to get required turnover. If you expect £20 from 150 spins and the requirement is 35x, you must cycle £700. At 10p per spin that is 7,000 spins of play.
Then check contribution rates. A requirement that looks manageable on slots becomes punitive if your preferred game counts at 10%. Write the three numbers down before you deposit. Compare across two or three operators rather than committing to the first banner you see.
Do you need to verify your identity before spins are credited?
Under UK money laundering regulations, identity verification is mandatory before any withdrawal and often before bonus crediting. Expect to upload photo ID, proof of address dated within three months, and sometimes a source-of-funds declaration if deposits cross £1,000 in 30 days. Verification typically takes 12 to 48 hours.
Faster KYC is a genuine competitive advantage. Bet365, Sky Bet and Betfair complete checks within minutes using electronic verification against electoral roll and credit reference data. Smaller brands still rely on manual review, which can delay spin crediting by a full day.
Which providers power the eligible slots?
Pragmatic Play, NetEnt, Microgaming, Play'n GO, Hacksaw Gaming and Eyecon dominate the eligible-games lists. Pragmatic titles carry high volatility and 5,000x+ max wins. NetEnt's Starburst runs low volatility with 500x max. Eyecon's Fluffy Favourites sits in the middle at 5,000x but with slower hit frequency.
Volatility changes how a 150-spin pack behaves. Low-volatility slots deliver small consistent wins that clear wagering slowly. High-volatility slots either bust early or land one big hit that the win cap truncates. Neither outcome is neutral; pick the game knowing which risk you prefer.
Can you withdraw without depositing first?
Some no-deposit offers allow withdrawal of winnings up to the cap without any deposit. Others require a minimum deposit of £10 before the withdrawal button activates. MrQ, PlayOJO and Sky Vegas have historically allowed no-deposit withdrawals on promotional balances. Bet365 and William Hill typically require a qualifying deposit.
Read clause 4 of the bonus terms. It is almost always titled "Withdrawal conditions" and it is where the no-deposit promise either holds or quietly converts into a deposit requirement. If the answer is not explicit, contact live chat before you start playing.
Comparing UK-Licensed and Offshore 150 Free Spins Offers
Both categories advertise the same headline. The economics underneath diverge sharply, and so do your protections when something goes wrong. This section puts the two side by side on the metrics that actually affect your bankroll.
What happens to your money if a UK operator fails?
UK-licensed operators must segregate customer funds and hold them in designated accounts separate from operating capital. Since 31 January 2025, the Gambling Commission requires operators to declare one of three protection levels: not protected, basic protection, or enhanced protection. Funds under enhanced protection are held in statutory trusts.
Offshore operators carry no equivalent obligation. If a Curaçao-licensed site ceases trading, there is no statutory trust, no IBAS arbitration, no Gambling Commission enforcement. Your balance is an unsecured claim against a company you likely cannot reach. That is the single largest structural difference between the two categories.
How do dispute resolution processes differ?
UK-licensed brands must offer free, independent dispute resolution through IBAS or an approved alternative. Escalation to the Gambling Commission follows if the operator fails to comply. Average IBAS case resolution runs 14 to 28 days. That route exists only for brands holding a GB licence.
Offshore operators route complaints to an internal team, then to their own regulator if unresolved. Curaçao's process is slow and rarely favours the player. Practical outcome: a disputed £150 balance on a UK site has a realistic recovery path; the same dispute on an offshore site usually ends with the account closed.
Is a bigger spin count ever worth the weaker licence?
Run the expected value. A 150-spin no-deposit offer with a £50 cap and 35x wagering has a realistic expected value under £5, once you account for the fact that most players never clear the requirement. The probability-weighted outcome of a smaller UK offer with no wagering is often higher in cash terms.
Compare: 50 no-wagering spins at 10p with a £50 cap gives you roughly £5 expected value with immediate withdrawal. A 150-spin offshore pack at 35x with a £100 cap gives a lower expected value despite the larger headline. Numbers beat banners.
| Metric | UK-licensed offer | Offshore offer |
|---|---|---|
| Typical spin count | 50–150 | 150–500 |
| Wagering | 0x–40x | 30x–50x |
| Win cap | £50–£100 | £50–£200 |
| Fund segregation | Required by law | Not required |
| Dispute route | IBAS + UKGC | Internal only |
| GamStop access | Full | None |
| Remote gaming duty | 15% GGY | 0% to UK |
What tax treatment applies to UK player winnings?
Individual UK players pay no tax on gambling winnings, whether from a UK-licensed or offshore operator. The duty sits on the operator, not the customer. That asymmetry is deliberate: it keeps the activity above board and shifts the compliance burden to the business.
Professional gamblers trading as a business may face income tax on profits, but casual players do not. Offshore winnings are equally untaxed for the player, which removes one common argument for choosing unlicensed sites. The tax advantage offshore operators advertise accrues to them, not to you.
Conclusion: from a player's tax position, UK and offshore offers are identical. From a protection and payout-reliability position, they are not. Choose accordingly.
How to Claim 150 Free Spins No Deposit Step by Step
The claiming process is standard across UK operators, with variation only in verification timing. Follow the sequence below and you will have spins in your balance within an hour on most platforms.
What information do you need at registration?
Full legal name, date of birth, current address, postcode, mobile number, and email. UK operators must confirm you are 18 or over before any game access, and they will check your details against electoral roll and credit reference databases. Some brands add a security question or a source-of-funds prompt at sign-up.
Use accurate details. Mismatches between your registration data and your payment method trigger manual review, delaying spin crediting by 24 to 48 hours. Bet365 and Sky Bet reject mismatched addresses instantly; smaller operators may not notice until withdrawal.
How long does verification take in practice?
Electronic verification completes in under 5 minutes on most major brands. Manual review takes 12 to 48 hours, longer over weekends. Upload a clear photo of your passport or driving licence, plus a recent utility bill or bank statement dated within 3 months. Blurred images are the most common cause of delay.
Gala Bingo, Foxy Bingo and JackpotJoy typically clear KYC within 4 hours during business days. Betway and 888 Casino run automated checks that finish during registration itself. Plan for the slow case rather than the fast one.
Where do the spins appear in your account?
Look for a "Rewards", "Promotions" or "Free Spins" tab. Some operators credit spins automatically; others require you to click "Claim" within 24 hours of registration. Unclaimed offers expire. Sky Vegas and Virgin Games auto-credit; Ladbrokes and Coral often require manual activation.
Once credited, the spins usually appear as a counter on the eligible slot rather than as a balance figure. Launch the named game and the spins trigger automatically on first spin. Do not use your own cash balance by mistake before the free spins are consumed.
What happens after you finish all 150 spins?
Winnings transfer to your bonus balance, not your cash balance. From there, wagering begins. Track progress in the "Bonus" or "Wagering" section of your account, usually shown as a live percentage such as £140 of £525 completed. Once it hits 100%, the balance converts to withdrawable cash up to the stated cap.
Withdraw immediately after conversion. Promotional balances sometimes carry a secondary expiry, commonly 7 to 30 days after wagering completion. Letting a cleared bonus sit idle is how players lose money they already earned.
Common Mistakes Players Make With Free Spin Offers
Most losses on free spin offers come from avoidable errors rather than bad luck. Four patterns account for the bulk of complaints filed with IBAS each year.
Do players read the terms before they claim?
Rarely. Industry surveys suggest fewer than 1 in 5 players read bonus terms in full before depositing. The three clauses that matter are wagering, win cap, and game restriction. Skipping them produces predictable outcomes: a player clears 40x on blackjack at 10% contribution, thinks the requirement is met, and finds the bonus voided.
Read clauses 1 to 5. They take 90 seconds and cover everything that determines whether your balance is real. If a term is ambiguous, ask live chat and keep the transcript.
What happens if you open multiple accounts?
Multi-accounting voids bonuses and triggers account closure under the terms of every UK-licensed operator. Detection is straightforward: same address, same IP, same payment card, same device fingerprint. Bet365, William Hill and Sky Bet all run automated duplicate detection at registration.
The Gambling Commission treats multi-accounting as bonus abuse and operators must report patterns. Your balance is confiscated, and in serious cases the operator files a suspicious activity report. One account per person, per household, per brand. No exceptions.
Do bonus terms change after you claim?
Terms in force at the moment of claiming are locked for that offer. Operators can change future promotions but cannot retroactively alter wagering on an active bonus. If a brand tries to apply new terms to your existing balance, escalate to IBAS with your claim timestamp and the terms version you accepted.
Take a screenshot of the terms page when you register. That single habit has resolved more disputes than any review site. Date-stamped evidence beats a support agent's recollection every time.
Is ignoring game contribution rates a real problem?
It is the most expensive oversight. A 35x requirement on slots at 100% contribution needs £525 of turnover on £15 winnings. The same requirement on blackjack at 10% contribution needs £5,250. Players who switch to table games mid-wagering routinely find their progress stalled or reset.
Check the contribution table before your first bonus spin. Play exclusively on 100%-contribution titles until the requirement clears. Everything else is a slower route to the same destination.
Responsible Gambling and Legal Requirements
Free spin offers are promotional tools designed to encourage play. Treat them as entertainment with a cost, not as income. The UK framework gives you concrete tools to keep control, and using them costs nothing.
What is the legal minimum age for online gambling in the UK?
You must be 18 or over to gamble online in Great Britain, with no exceptions. Operators run age verification at registration and re-verify before any withdrawal. Underage accounts are closed and funds returned to the original payment method. The Gambling Act 2005 sets this threshold and the Commission enforces it.
Where can you get help if gambling stops being fun?
GamCare operates the National Gambling Helpline on 0808 8020 133, open 24 hours a day, 7 days a week, with live chat at gamcare.org.uk. Gambling Therapy provides free multilingual support online. BeGambleAware offers self-assessment tools and referral pathways. All three are free and confidential.
How does self-exclusion work through GamStop?
GamStop is a free national self-exclusion scheme covering every UK-licensed operator. Registering blocks you from all participating sites for a period you choose: 6 months, 1 year, or 5 years. Registration takes about 10 minutes and the exclusion cannot be lifted early. Offshore sites do not participate, which is another reason to stay with licensed brands.
Complement it with operator-level tools: deposit limits, loss limits, session time-outs, and reality checks. Set a deposit limit the day you register, before the first promotion lands. Prevention is easier than recovery.
Frequently Asked Questions
Can I really win real money from 150 free spins with no deposit?
Yes, winnings are real cash subject to the stated win cap and wagering requirement. A typical UK offer caps cashable winnings at £50 to £100 and applies 30x to 40x wagering. Clear the requirement within the expiry window and the balance converts to withdrawable funds. No-deposit offers without wagering, such as those from MrQ and PlayOJO, pay out immediately up to the cap.
Why do UK casinos offer fewer spins than offshore sites?
UK operators pay 15% remote gaming duty on gross gaming yield, annual licence fees up to £36,051, a 0.1% research levy, and fund mandatory affordability checks at £1,000 per 30 days. Offshore operators face none of those costs. The smaller spin count reflects genuine regulatory expense, not reluctance to reward players.
What is the difference between free spins and bonus cash?
Free spins lock you into named slots at a fixed stake, so your spin value is predetermined. Bonus cash gives flexibility across the game library but usually carries heavier wagering, often 40x to 50x compared with 30x to 40x on spin winnings. Contribution rates also differ: slots count 100% for both, table games count far less.
Do I need to deposit to withdraw free spin winnings?
It depends on the operator's terms. Brands like MrQ, PlayOJO and Sky Vegas have allowed no-deposit withdrawals on promotional balances up to the cap. Bet365, William Hill and Ladbrokes typically require a £10 minimum deposit before the withdrawal function activates. Check clause 4 of the bonus terms before you start playing.
How long do I have to use my free spins?
Standard expiry is 7 days from crediting, with some operators giving 24 hours on batched spins and others up to 30 days on the full pack. JackpotJoy and Heart Bingo enforce 7-day windows strictly; Ladbrokes and Coral often extend to 14 days on deposit-triggered batches. Unused spins and any accumulated winnings expire at the deadline.
Are free spin winnings taxed in the UK?
No. Individual UK players pay no tax on gambling winnings from any source, including offshore operators. The tax burden sits on the operator through 15% remote gaming duty for UK-facing licensed sites. Only professional gamblers trading as a business may face income tax on profits, and casual players are entirely exempt.
Can I claim the same offer at multiple casinos?
Yes, as long as you register once per brand. Opening duplicate accounts at the same operator constitutes bonus abuse, voids all winnings, and can trigger account closure across related brands. Operators detect duplicates through address, IP, payment card and device fingerprint matching. One account per person per brand, without exception.
What is the best strategy for clearing wagering requirements?
Play exclusively on slots with 100% contribution and medium volatility until the requirement clears. Avoid table games and live dealer titles, which count at 0% to 20% and inflate effective wagering. Track progress in your account's bonus section, keep session length moderate, and withdraw immediately once the balance converts to cash.
Which UK casinos currently offer no-wagering free spins?
MrQ and PlayOJO are the two clearest examples, both running spins with 0x wagering where winnings are withdrawable up to a stated cap. Sky Vegas has also run no-wagering spin promotions for verified new customers. These offers carry smaller spin counts, typically 30 to 50, but convert to cash far more reliably than 150-spin packs with 35x requirements attached.
Is it safe to play at a Curaçao-licensed casino from the UK?
It is outside the Gambling Act 2005 perimeter, so UK consumer protections do not apply. There is no GamStop integration, no IBAS dispute route, no statutory fund segregation, and no Gambling Commission enforcement. Brands such as Mystake, Goldenbet, Donbet and Rolletto hold valid Curaçao licences for their own markets but are not authorised to serve UK customers.
The 150 free spins no deposit headline is a marketing construct, and the maths behind it determines whether the offer is worth your time. Check the licence, the wagering multiplier, the win cap and the expiry window before you register, and let those four numbers make the decision for you.