Bookmaker promo codes in 2026: the 10x cap, the free-bet math, and who the offers suit

Updated October 2026

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The phrase “bookmaker promo codes” still pulls millions of searches, but in Great Britain the codes themselves do almost nothing the reader needs to know. What matters is what sits behind the box: the offer’s wagering requirement, the minimum odds, the expiry, and the small print that decides whether a free bet pays back the stake. Since 19 January 2026 the Gambling Commission has capped wagering requirements on bonuses at 10x and banned promotions that mix product types. Those two rules reshape the comparison every page on this subject now has to make.

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30 October 2026 — checked against the Commission’s public register and each operator’s own terms.

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The page below works through what a promo code unlocks, where the regulation bites, what safer-gambling tools sit beside it, how the headline offers actually stack up, and ten licensed bookmakers the Commission’s register confirms. The calculation is the bonus-turnover arithmetic on a Coral-style £40 free bet: how many settled bets it actually takes to clear a bonus under the new cap, and what that costs in margin.

The shape of a sign-up offer

A sign-up offer is what a bookmaker pays a new customer to open an account, place a first bet and stick around. The form varies. Coral and Unibet both run “Bet £20, get £40 in free bets”. Sky Bet credits £30 in three £10 tokens after a £5 first bet. Betway hands out four £10 tokens after a £10 first bet at minimum odds of 2.0. Spreadex gives £60 in free bets for a £10 fixed-odds bet. Hollywoodbets refunds a losing accumulator as a free bet of up to £30. None of these is the same shape, and the shape is the whole decision.

Three things decide whether an offer is worth the trouble.

The trigger. Most welcome offers are triggered by a first settled bet of a stated size at a stated minimum odds. Coral and Unibet both ask £20 at minimum odds of 2.0 (1/1). Sky Bet asks only £5 at minimum odds of 2.0. Hollywoodbets needs a £10 accumulator with three or more legs at combined odds of 4/1 or greater. The lower the trigger, the easier to qualify — but the easier triggers tend to come with worse free-bet terms, because the bookmaker needs the margin back somewhere.

The reward. Free bets, not cash. A £40 free bet at Coral is four £10 tokens, each usable once, with the stake not returned when the bet wins. That is the standard British free-bet shape: the stake comes off free, the winnings land in cash. The detail matters because it changes the value of the bet. A £10 free bet at odds of 3.0 returns £20 in cash, not £30 — the £10 stake is gone.

The clock. Coral’s free bets expire 7 days after issue. Sky Bet, Betway, BoyleSports and QuinnBet all use 7 days. Spreadex gives 28 days to place the qualifying bet. The clock turns a free bet into a deadline: anything not used in the window is forfeit, and a busy week is the difference between a £40 return and a £0 return.

What “minimum odds” really does

A “minimum odds of 2.0” line is not a market cap. It is a cap on which selections count as qualifying. A first bet on a heavy favourite at 1.4 does not trigger a Coral or Sky Bet offer, even at the right stake. The line exists because a bookmaker will not pay a free bet to someone who has effectively risked nothing — a 1.4 shot pays back the stake on a win and asks for almost no conviction.

The point most readers miss: the minimum odds apply to the *qualifying* bet, not to the free bet itself. QuinnBet’s free bets can be used on any market at odds of 1/2 (1.5) or greater, with a maximum odds of 50/1. The qualifying bet at one bookmaker is a different bet from the free bet the same offer hands out, and the two carry different minimums.

Why the stake of a free bet is not paid back

A free bet is a token, not cash. The bookmaker credits £10 to the customer’s account, the customer places a bet using the token, and on a win the bookkeeper returns the *winnings*, not the *winnings plus the token*. At decimal odds of 4.0, a £10 free bet returns £30 in cash (£10 × (4.0 − 1) = £30); the £10 token is spent.

This is the single sharpest edge in any sign-up offer. A £10 cash bet at 4.0 returns £40 (£10 stake + £30 winnings). A £10 free bet at the same price returns £30. The £10 difference is the cost of using the token. A punter who treats a free bet like cash systematically overstates the value of the offer by 25% at 4.0, by 50% at 2.0, and by 100% at evens.

It is also why an offer’s headline figure is not its real value. A “£40 free bet” headline at Coral is £40 of stake-not-returned tokens. At decimal odds of 3.0 and a typical football match margin of around 5%, the expected value of those tokens is closer to £25 in real money. The rest is marketing.

How a promo code fits in

A promo code is a string the customer types at sign-up or deposit, and the bookmaker credits the corresponding offer. Most British sign-up offers do not require a code at all: Coral, Sky Bet, Betway, Unibet and Hollywoodbets credit the offer automatically once the qualifying conditions are met. Where codes do appear — at smaller operators, on seasonal campaigns, on affiliate landing pages — they are bookkeeping tokens rather than the offer itself.

What the code does *not* do is override the offer’s terms. Typing a code at sign-up does not waive the minimum odds, lengthen the expiry or unlock a bigger free bet than the headline. A code is a switch that turns on what the operator has already published. Two readers typing the same code at the same operator get the same free bets on the same terms.

This is the regulatory frame the Commission now enforces. Section 16 of the CAP Code, the broadcast and non-broadcast advertising codes enforced by the Advertising Standards Authority, requires marketing to be socially responsible and not misleading. The Commission’s own LCCP conditions 7.1 and 7.2 require bonus terms to be transparent, with significant conditions stated before the customer opts in. A promo code that quietly changes the deal would breach both. Operators who run codes therefore police them tightly: the offer the code unlocks is the offer the small print describes, and the small print wins if they differ.

The other side of codes is the affiliate channel. Affiliate sites publish codes that look exclusive; in practice the underlying offer is the same one the operator publishes on its own homepage, and the affiliate is paid a commission if the reader signs up. The Commission holds the operator responsible for what its affiliates publish. Readers who arrive via an affiliate should check the offer against the operator’s own terms before depositing — the affiliate has an incentive to oversell.

Where codes used to matter and no longer do

Before the 2026 rules, several bookmakers ran “bonus code” mechanics that changed the headline. A code typed at registration might lift a 100% deposit match from £50 to £100, or add a casino arm to a sports sign-up. The Commission’s mixed-product ban, in force since 19 January 2026, has now closed that route: an offer that requires gambling on two or more product types — sports betting and casino, betting and bingo, betting and lottery — is banned. A code that promises a casino bonus on top of a sports sign-up cannot legally be redeemed at a GB-licensed site.

The 10x wagering cap closes a second route. Where older offers carried 30x, 40x or 50x turnover requirements, the cap limits any bonus to 10x its face value. A £10 bonus now needs at most £100 of qualifying bets. Codes that once unlocked high-multiplier bonuses have largely disappeared with the offers themselves.

The legal frame around every offer

Every bookmaker named on this page holds a remote operating licence from the Gambling Commission for Great Britain. The Commission is a non-departmental public body sponsored by the Department for Culture, Media and Sport, and it regulates under the Gambling Act 2005. Northern Ireland sits outside the 2005 Act and has its own older regime, so a “GB-licensed” bookmaker is licensed to take bets from customers in England, Scotland and Wales — not from a customer in Belfast.

Since the Gambling (Licensing and Advertising) Act 2014 an operator whose remote facilities are used in Great Britain needs a Commission licence wherever it is incorporated. A Curaçao, Maltese or Gibraltar licence is not a substitute for the British one; it covers the operator’s home jurisdiction but not its British customers. A bookmaker that holds a Malta Gaming Authority licence only is not licensed to take a bet from a customer in Manchester, and a customer placing a bet with such an operator gets none of the British protections — no GAMSTOP coverage, no approved dispute-resolution route, no recourse to the Commission if funds are withheld.

The Commission’s public register is the test. Anyone can search by business name, trading name, domain or account number. The ten bookmakers reviewed below are on that register under the licence numbers and account numbers this page lists. A reader who wants to verify any one of them can do so in under a minute.

What the licence covers

A remote general betting standard (real events) licence covers fixed-odds betting on real sporting events and similar markets. It does not cover financial spread betting — that is regulated by the Financial Conduct Authority, not the Commission. Spreadex, which offers both, holds a Commission licence for its fixed-odds product and FCA registration for its spread-betting product, and its homepage states clearly that spread-betting losses can exceed deposits.

A separate licence category, remote general betting standard (virtual events), covers computer-simulated events. Esports are treated as real events under the Commission’s framework; virtual sports are not. A reader who bets on a virtual horse race is betting under a different licence from the one that governs a real Cheltenham race.

Betting exchanges — Smarkets, Betfair — hold a betting intermediary licence, a separate category. Rates and rules on an exchange are different from those on a fixed-odds book, and the Commission holds the exchange to a different but overlapping set of licence conditions. The offers reviewed below are all fixed-odds bookmaker offers unless stated otherwise.

Identity verification before the first deposit

Since 7 May 2019 every GB-licensed remote bookmaker has had to verify a customer’s name, address and date of birth before that customer can deposit or gamble — including with a bonus. The verification runs against public records and, where needed, electronic identity checks. There is no anonymous play at a licensed site, and a reader who values anonymity has to choose between a licensed operator and no play at all.

The financial vulnerability check is the next layer. Since 28 February 2025, a licensed remote bookmaker runs a public-record check (bankruptcy, county court judgments and similar) once a customer’s net deposits pass £150 in a rolling 30-day window. This is not an income check and not a credit check; it is a check for financial distress signals in the public record. The wider “affordability check” the press calls financial risk assessments is announced in a staged plan with no start date yet. The 2026 frame, in plain English: the public-record check runs; the affordability check has been signposted but is not yet in operation.

Advertising and the bonus cap

The Commission does not license advertising. Advertising is regulated through the CAP Code (non-broadcast) and BCAP Code (broadcast), both enforced by the ASA, alongside the Commission’s LCCP marketing conditions. The two codes together require marketing to be socially responsible, not aimed at under-18s, and not featuring anyone who is or appears to be under 25 in a significant role.

The promotion rules in force since 19 January 2026 add two hard limits. First, wagering requirements on bonuses are capped at 10x: a £10 bonus can ask for at most £100 of qualifying bets; a £50 bonus at most £500. Second, an offer that requires gambling on two or more product types is banned outright. A promotion that asks the customer to bet on football in order to claim free spins at an online casino is no longer lawful at a GB-licensed site.

The rules do not cap the money value of a bonus, do not cap the free-bet amount, and do not cap the number of offers an operator can run. They cap the *turnover requirement* and the *product mix*. A “£100 free bet, no wagering” offer is unaffected; a “£10 bonus, 50x wagering” offer is now unlawful.

Whether the 10x cap applies to free bets whose terms do not require any further wagering is not established. Operators take different views, and the Commission has not issued a binding ruling. A reader who receives a free bet and reads no wagering requirement in the small print can treat it as outside the cap; a reader who sees a turnover number should check that number against the 10x ceiling.

Tax

The punter pays no tax on betting winnings in Great Britain. The operator pays General Betting Duty, currently 15% on gross profits, with a new remote betting rate of 25% applying from 1 April 2027 (HM Government policy paper of 26 November 2025). Until 1 April 2027 the remote rate stays at 15%. Spread betting has its own rates: 3% on financial spread bets and 10% on other spread bets.

Whether the operator passes duty on through tighter odds is not established. The Commission’s published materials do not say so, and operators do not break out duty in their headline prices. The honest framing: the tax exists, it is the operator’s overhead, and it sits somewhere in the margin between the true probability of an event and the odds offered. A punter cannot see it on the betting slip and should not assume it is absent.

Safer gambling and the offer

Every promotion on this page sits inside a frame of player-protection rules the operator cannot opt out of. The frame is not a marketing line; it is the cost of holding a GB licence, and a reader who claims a sign-up offer is claiming it inside that frame.

GAMSTOP. A national multi-operator self-exclusion scheme, mandatory for online operators since 31 March 2020. Self-exclusion can run for six months, one year, five years, or five years with auto-renewal. After the minimum period the exclusion stays in place for a further seven years unless the customer asks GAMSTOP to remove it. GAMSTOP covers online sites and apps; high-street betting shops use a separate scheme. Any licensed bookmaker’s website checks the GAMSTOP register before it lets a self-excluded customer open or use an account.

Deposit limits. Operators must offer a gross deposit limit on a fixed time frame. Phased changes to those limits have applied since 31 October 2025, with a second phase postponed to 30 September 2026; whether the second phase is live is not established. There is no state-set deposit ceiling: the limit is the customer’s choice. A punter who wants to cap monthly spend at £200 sets that with the operator, and the operator is required to honour it.

The vulnerability check. Once a customer’s net deposits cross £150 in a rolling 30-day window, the operator runs a public-record check. The check looks at signals of financial distress — bankruptcy, county court judgments, similar public markers. It is not an income check and not a credit reference check. If the check returns a marker, the operator is expected to take a closer look before accepting further deposits.

Marketing controls. No one who is or appears to be under 25 may feature in a gambling advertisement, and gambling ads cannot run on UK TV from five minutes before a live sporting event to five minutes after it, before the 9pm watershed (the so-called whistle-to-whistle ban, in force since 1 August 2019; horse and greyhound racing excluded). The Premier League’s voluntary withdrawal of gambling sponsorship from the front of matchday shirts, in place from the 2026/27 season, sits on top of these rules. None of this stops the offer. It shapes who can be in the advertisement for the offer.

Help if a reader needs it

GamCare runs the National Gambling Helpline. GambleAware publishes guidance and funds treatment. The NHS runs gambling clinics in several regions. Gamblers Anonymous runs peer-support meetings. None of these is part of the sign-up offer, and none is a substitute for the limits the reader sets themselves.

The frame a bookmaker operates inside — GAMSTOP, deposit limits, the vulnerability check — is a backstop. The choices that decide whether betting stays a leisure spend are made at the slip. The Commission’s role is to make sure the slip is one a customer can walk away from. The 10x bonus cap and the mixed-product ban are part of that: an offer that asks the customer to keep gambling in order to claim a reward is exactly the kind of mechanic the Commission is now removing.

What the headline offers actually deliver

The table below compares ten GB-licensed bookmakers on the welcome offer each publishes, the licence and licence-holder the Commission’s register records against each brand, and what the operator’s own terms state on the offer’s mechanics. Every offer is the operator’s own terms; no offer is read across from one brand to another. The wagering-cap column describes whether the offer carries a turnover requirement above the 10x ceiling.

What the table cannot show is the difference between an offer’s headline and its real cost. Coral and Unibet both publish the same “bet £20, get £40 in free bets” headline, and the headline is identical. The mark is in the small print: Coral’s free bets expire 7 days after issue; Unibet’s the same. Both require debit card or instant bank transfer, both exclude credit-card deposits, both carry minimum odds of 2.0. The two offers are not distinguishable on price. They are distinguishable on what the rest of the account looks like — Coral’s Reward Shaker, daily odds boosts and Football Super Series; Unibet’s Best Odds Guaranteed on horse racing, Unibet TV and Cash Out on thousands of markets.

Betway and Sky Bet are also near-twins on headline, both with a £5–£10 trigger and £30–£40 in tokens, but Sky Bet’s three-token structure and 5p minimum stake make it the easiest qualifying bet on the list. The trade-off is the size of the reward: £30 in three £10 tokens versus Betway’s £40 in four £10 tokens.

Hollywoodbets sits in a different shape. The free bet is *triggered by a loss*, not by a settled win, and the trigger is an accumulator, not a single. A punter who would naturally place an accumulator on the first weekend of the football season can fold the offer into that bet for free; a punter who would not is paying the cost of an unfamiliar bet type.

What the math is on a Coral-style offer

Take Coral’s “bet £20, get £40 in free bets”. The qualifying bet is a single settled bet of £20 or more at minimum odds of 2.0. The reward is £40 in free-bet tokens, expiring 7 days after issue. Three numbers matter: the trigger, the reward and the cap.

Under the 10x wagering cap, in force since 19 January 2026, the same offer today must keep any bonus turnover below 10x. Coral’s headline terms on the £40 free-bet reward do not carry a turnover requirement: the free bets are stake-not-returned tokens usable once each, with the winnings paid in cash and no further rollover before withdrawal. That is the most common shape among UK sign-up offers — and the shape the cap leaves alone.

Where the cap bites is on the bonus-with-wagering offers. A £10 bonus with a 5x rollover now needs £50 of qualifying bets; a £10 bonus with a 10x rollover needs £100; anything above 10x is unlawful. A punter who sees a “100% up to £50” headline should look for the wagering multiple in the small print. Under the cap, the worst case is £50 × 10 = £500 of qualifying bets at minimum odds. For a football match with a margin of around 5%, that £500 of turnover carries an expected cost of around £25 in margin — about half the bonus headline. The bonus pays out £50 if cleared; the clearing costs roughly £25; the net is roughly £25. A punter who treats the bonus as £50 of free money is mistaken by half.

For the Coral-style free-bet-with-no-rollover offer the math is different. The £40 of free bets at, say, average odds of 3.0 across the four tokens, with a market margin of around 5%, returns an expected £40 × (3.0 − 1) ÷ 3.0 × 0.95 ≈ £25.3 in cash. The headline is £40; the expected value is around £25. The £15 gap is the cost of stake-not-returned and the bookmaker’s margin. That is the size of the discount the punter is taking by using the tokens rather than placing a £40 cash bet at the same selections.

What the same offer looks like for a small-stake punter

A reader who would naturally place a £5 each-way bet on the Saturday card cannot use a Coral-style £20 trigger without placing a bet they would not otherwise place. The qualifying bet at Coral is £20 at minimum odds of 2.0. A £5 punter has to multiply their normal stake by four to qualify. If the qualifying bet loses — which it will around 67% of the time at odds of 2.0 with a 5% margin — the punter is down £20 before any free bet lands. The expected cost of the qualifying bet is around £1 in margin; the expected value of the £40 in free bets is around £25. Net is positive, but the punter has accepted four times their usual risk to clear it.

A punter who would not naturally place a £20 bet is paying an additional cost: the variance of an unfamiliar stake. The headline £40 free bet is a positive-EV offer at average odds; for a small-stake punter the practical EV is lower because the punter would not otherwise be betting at that size. The honest framing: offers are positive on average for the punter who would naturally meet the trigger, and look worse for the punter who has to stretch.

Ten bookmakers the register confirms

The reviews below cover the ten operators the plan routes into this ranking. Each entry covers the licence, the offer as the operator states it, what sits around the offer on the platform, and the verdict that follows from those facts. The order is the plan’s, not a quality ranking.

Unibet — broad markets, BOG on racing

Unibet’s UK site is run by Platinum Gaming Limited, Gibraltar, under Gambling Commission account 45322; the operator states it has been in business since 1999. The welcome offer is the same Coral-shaped “Bet £20, get £40 in free bets”, with the same minimum odds of 2.0, the same debit-card-or-instant-bank-transfer trigger, and the same 7-day expiry.

Around the offer Unibet stacks a wider feature set than most. Bet Builder combines markets from one event into a single bet. Uniboosts are daily enhanced odds. Unibet TV streams thousands of live events each year. Best Odds Guaranteed pays the bigger of the SP and the taken price on UK and Irish horse racing. Cash Out is offered on thousands of markets. In-play betting runs across football, tennis, basketball and US sports.

The verdict. Unibet is the strongest choice on this list for a punter who values market depth and the racing product. The free-bet offer is mid-table on headline and identical to Coral’s on terms; what lifts Unibet is what sits around the offer. A punter who would never bet on horses has less reason to pick Unibet than one who would.

Paddy Power — Super Sub and the bet builder

Paddy Power’s UK site is run by PPB Counterparty Services Limited under Commission account 39439. The platform’s signature feature is Super Sub, which rolls a bet over to the substitute player when a selected player is taken off. Bet Builder+ lets a punter combine markets from one match into a single bet. Win More markets expand the standard 1X2 into extra selections. ACCA stats give form data on multi-leg bets.

The offer on the platform is the bet builder, not the headline. Paddy Power’s promotional spine is its existing-customer promos — money-back specials, enhanced odds on big fixtures, the Super Sub mechanic itself. A new customer who joins for a sign-up offer is likely to stay for the existing-customer promos, which is where the long-term value lives.

The verdict. Paddy Power suits a punter who bets on football and wants the bet-builder and Super Sub features. The welcome offer is average; the existing-customer promos are above average; the racing product is thinner than Unibet’s.

Copybet — acca boost and profit boost

Copybet’s UK site is run by Copybet UK Limited under Commission account 53774. The platform centres on accumulators. The Acca Booster pays up to a 100% cash bonus on accumulators of three or more selections — a real cash boost, not a free-bet token, which is unusual for a UK bookmaker at this scale. The Daily Profit Boost adds up to 15% to the odds on listed markets each day.

Both promos are existing-customer offers, not the sign-up. The platform is built for a punter who already bets accas and wants the multiplier.

The verdict. Copybet suits an acca punter who wants cash boosts rather than free-bet tokens. The 100% Acca Booster is unusually generous for a GB-licensed site; the catch is that the offer applies to existing customers rather than to a new sign-up. A new customer joining Copybet for the welcome offer is joining a platform whose value is elsewhere.

London Bet — local brand, full UKGC licence

London.bet is published by Thistle Bet Limited under Commission account 66162. The platform states it is licensed and regulated in the UK and carries a 17+ age rating on the App Store.

London Bet is one of the smaller operators in this ranking. Its market coverage is narrower than Unibet’s, Paddy Power’s or bet365’s, and the live-streaming and feature set are thinner. What it offers is a London-focused brand identity, a UKGC licence in good standing, and a sign-up offer that competes on size with the bigger brands.

The verdict. London Bet suits a punter who wants a UKGC-licensed platform and is not particular about market depth. The platform is licensed and the offer is on the page; the platform is not the deepest on the list.

Betway — four tokens, 7-day expiry

Betway’s UK site is run by Betway Limited under Commission account 39372. The welcome offer is £40 in free bet tokens (four £10 tokens) after a first settled bet of £10 at minimum odds of 2.0, with debit card deposits only and a 7-day expiry. The offer is the standard Betway shape: low trigger, four-token structure, debit-card payment only.

Around the offer Betway runs a full feature set — Bet Builder, Acca boosts, weekly free bet clubs, in-play markets. The platform is best known for its football and tennis coverage. Betway is one of the longer-established names on the list, and its existing-customer promos run across the major sports.

The verdict. Betway suits a punter who wants a low-trigger offer and a full feature set. The £10 trigger at 2.0 is the easiest qualifying bet on this list along with Sky Bet; the £40 reward is competitive; the debit-card-only payment rule excludes e-wallet depositors.

10bet — bonus headline, casino-spin tail

10bet’s UK site is run by Blue Star Planet Limited under Commission account 43173. The advertised sign-up is “100% up to £50 betting bonus” for UK sign-ups, plus daily free bets and free spins. The headline is a betting bonus — a deposit-match rather than a free-bet reward — and the small print determines whether it sits inside the 10x cap.

This is the offer shape the 10x cap most affects. A £50 deposit-match bonus with a 10x rollover needs £500 of qualifying bets at minimum odds; with a 5x rollover it needs £250. The expected cost at a 5% margin is £12.50 to £25, against a £50 headline. The free spins that come with the headline are a casino offer, not a betting offer, and a punter who wants only the betting bonus should check whether the casino arm is mandatory.

The verdict. 10bet is the offer on this list most likely to look attractive on the headline and disappoint on the small print. A punter who reads the wagering multiple before depositing has a different view of the offer from one who reads only the headline.

BetVictor — boosts and acca offers

BetVictor’s UK site is run by BV Gaming Limited under Commission account 39576. Around the offer BetVictor runs regular price boosts, acca offers and free bets on selected events. The platform is one of the older names on the list, with a customer base that skews towards horse racing and football.

BetVictor is a brand that lives on its existing-customer promos more than its sign-up offer. The price boosts and acca insurance run across the football calendar. A punter who values a steady stream of existing-customer promos over a one-off sign-up is in the right place.

The verdict. BetVictor suits a punter who already bets on racing and football and wants a steady drip of existing-customer offers. The welcome offer is unremarkable; the long-term value is in the promos that run after sign-up.

Hollywoodbets — losing-accumulator refund

Hollywoodbets’ UK site is run by Hollywoodbets International UK Limited under Commission account 53028. The sign-up offer is a stake-back-as-free-bet up to £30 on the first qualifying *losing* accumulator: stake £10+, three or more legs, combined odds 4/1 or greater, settled within 7 days, one free bet per customer.

The shape is unusual among GB-licensed offers. Most sign-up offers reward a settled bet regardless of outcome; Hollywoodbets rewards a settled *losing* accumulator. The accumulator must be a loser, the maximum free bet is capped at £30, and the stake must be £10 or more. A punter who naturally places accas at the right size and is happy to lose one will get the free bet for free; a punter who has to manufacture a losing acca is paying the cost of an unfamiliar bet.

The verdict. Hollywoodbets suits an acca punter who would naturally place a £10+ treble at 4/1 or greater in their first week. The free bet pays back up to £30 on a loss; the trigger is a loss, not a settled bet. The offer is closer to acca insurance than to a sign-up free-bet club.

BetUK — four tokens, acca-flavoured

BetUK’s UK site is run by LeoVegas Gaming PLC under Commission account 39198 — a larger operator than the BetUK brand suggests, with LeoVegas as the parent. The welcome offer is four £10 free bets after a £10+ deposit and a sports bet within 7 days of registering, with the four tokens split into two football accumulators of 4+ selections and two multiples of 2+. The offer is football-shaped in a way most rivals are not.

The token structure means a punter cannot use the four £10 tokens on, say, a single horse racing bet. Two tokens must be used on football accas of four or more legs; two on multiples of two or more legs. A punter who does not bet on football accas cannot use two of the four tokens as intended.

The verdict. BetUK suits a football acca punter. The token structure is football-shaped; the parent group is large; the licence is in good standing. A punter who bets mostly on racing, tennis or US sports will leave value on the table.

Sky Bet — the smallest qualifying bet

Sky Bet’s UK site is run by SBG Sports Limited under Commission account 67370. The welcome offer is £30 in free bets (three £10 tokens) after a £5+ deposit and a first single or each-way bet of 5p at minimum odds of 1/1. The 5p minimum stake is the smallest trigger on this list; a punter who deposits £5 and places a 5p bet at evens qualifies for £30 in free bets.

The 5p trigger is also the most permissive. A 5p bet at evens has almost no risk, almost no qualifying cost, and almost no impact on the punter’s bankroll. The £30 reward is smaller than Coral’s or Betway’s £40, but the qualifying cost is essentially zero. For a small-stake punter the offer’s net EV is competitive with the bigger-headline rivals.

The verdict. Sky Bet suits a small-stake punter. The 5p trigger removes the “stretch” cost most sign-up offers carry; the £30 reward is mid-table; the Sky Betting and Gaming parent is one of the larger UK groups.

Where the value actually is

The headline rankings of “best bookmaker promo codes” tend to overstate the differences between offers. Coral and Unibet publish the same £40 free-bet headline on the same terms. Betway and Sky Bet publish broadly similar £30–£40 headlines on different triggers. Hollywoodbets and BetUK publish shaped-differently offers aimed at acca punters. The real differences sit below the headline, and they are not the differences most readers are looking for.

Three things actually move value.

The trigger cost. A £20 trigger at 2.0 (Coral, Unibet) carries an expected qualifying cost of around £1 in margin, plus the variance of a bet the punter might not otherwise place. A £10 trigger at 2.0 (Betway, Spreadex, Hollywoodbets) carries half that. A £5 trigger with a 5p bet at evens (Sky Bet) carries essentially zero. For a punter who values the qualifying-bet cost, the trigger is the single most important line in the small print.

The free-bet structure. Stake-not-returned tokens are the standard. The number of tokens matters: a £40 reward in one token is unusable on a £40-each-way bet; a £40 reward in four £10 tokens can be split across four smaller bets. Sky Bet’s three £10 tokens, Betway’s four, BetUK’s four, all give the punter more flexibility than a single-token reward.

The feature set around the offer. A punter who will only ever claim one sign-up offer should chase the highest EV at the trigger; a punter who will stay with the operator for existing-customer promos should chase the platform whose existing-customer spine is strongest. Paddy Power’s Super Sub, Unibet’s Best Odds Guaranteed, BetVictor’s acca insurance, Hollywoodbets’ acca shape — these are the long-term value drivers, not the welcome headline.

For the punter who bets accas, the comparison narrows. BetUK and Hollywoodbets are the only two offers on this list whose shape is fundamentally acca-shaped; everyone else is single-bet-shaped. A punter who bets mostly singles will read those offers as restrictive; a punter who bets mostly accas will read them as the only honest match.

For the punter who bets racing, Unibet’s BOG and the racing-product strength at the bigger brands is the deciding factor. The free-bet offers at racing-led brands are not necessarily bigger, but the existing-customer promos — BOG, extra places, non-runner rules — are where the racing punter’s long-term value sits.

For the punter who bets on a smaller sport — golf, darts, snooker, MMA — market coverage is the deciding factor. The bigger brands carry more markets at more events, and the smaller brands compensate with sharper prices on a narrower set. A reader who bets on the Korean K League or the Japanese J League has different needs from one who bets on the Premier League, and the offer comparison looks different from that angle.

The arithmetic of clearing a bonus

The plan’s calculation is the bonus-turnover arithmetic on a Coral-style offer under the 10x wagering cap. Three inputs: bonus amount, wagering multiple, minimum odds. The fourth input is the expiry. The plan asks for the answer as a band with its condition, not as a single figure.

Take a £10 bonus with a 5x wagering multiple, the minimum odds of 2.0 a typical British bookmaker carries, and a 7-day expiry. The required turnover is £10 × 5 = £50. At minimum odds of 2.0 a £5 stake per bet is the smallest practical bet, giving £50 ÷ £5 = 10 bets to clear. A punter who bets more per wager needs fewer bets; a punter who bets less cannot meet the minimum-stake rule most operators enforce on bonus-qualifying bets.

The expected cost of clearing is turnover × margin. At a margin of 5%, the typical football-match margin for a GB-licensed bookmaker, the £50 of turnover carries an expected cost of £50 × 0.05 = £2.50. The bonus is worth £10; the clearing costs £2.50; the net is £7.50.

Double the multiple to 10x, the maximum the new cap allows, and the same £10 bonus needs £100 of turnover. At £5 per bet, 20 bets. At 5% margin, expected cost is £5. Net £5 on a £10 headline.

Stretch the bonus to £50 and the band widens. A £50 bonus at 5x needs £250 of turnover, 50 bets at £5, expected cost £12.50 at 5% margin, net £37.50. A £50 bonus at 10x — the new ceiling — needs £500 of turnover, 100 bets at £5, expected cost £25 at 5% margin, net £25. The wider the bonus, the bigger the absolute cost of clearing, and the larger the absolute net.

The condition that swings the band is the market margin. At 2% margin (a sharp book on a major fixture) the clearing cost halves: £50 of turnover costs £1, not £2.50, and the £10 bonus nets £9. At 8% margin (a smaller fixture or a smaller market) the cost rises to £4, and the same bonus nets £6. The bonus headline is the same; the punter’s net depends on which market they clear it on.

The expiry is the constraint that binds last. At 7 days, 10 bets of £5 at minimum odds of 2.0 needs roughly 7 bets on football in a week — one a day, which most active punters will hit. At 30 days, 100 bets of £5 needs three a day, which is a stretch for a casual punter and a routine for an active one. The expiry converts the clearing arithmetic from a maths problem into a logistics problem, and the punter who cannot place the bets loses the bonus.

For a Coral-style £40 free-bet offer with no rollover, the band is different. The £40 of tokens carries no turnover requirement, so the clearing arithmetic does not apply. The expected value of the tokens, at average odds of 3.0 and a 5% margin, is £40 × (3.0 − 1) ÷ 3.0 × 0.95 ≈ £25.30. The headline is £40; the expected value is around £25; the gap is the cost of stake-not-returned and the bookmaker’s margin. There is no clearing to fail at, no multiple to read in the small print, no expiry that bites within the week a careful punter plans for.

The promotions that sit around the welcome offer

A bookmaker’s promotional spine is not the welcome offer. The welcome offer runs once per customer; the existing-customer promos run weekly. For a punter who joins an operator and stays, the welcome offer is the smallest share of the long-term value.

Price boosts and enhanced odds. Daily enhanced odds on big fixtures. Paddy Power’s Super Sub is a price-boost mechanic in a different shape — the bet rolls over rather than the price rising. Coral’s Odds Booster covers hundreds of markets. BetVictor’s Daily Specials and Weekend Enhanced Boosts sit at the same level. These are headline-grabbing odds on specific selections, and the punter’s value is the gap between the boosted price and the true probability.

Acca insurance and acca boosts. BoyleSports Acca Insurance refunds a losing accumulator as a free bet up to £20 — stake £5 minimum, minimum odds 1/2, bets placed and settled on the same day. BoyleSports Acca Loyalty pays a free bet on settled accas of five or more legs with combined odds of 3/1. Spreadex Acca Boost pays a cash boost of 5% to 100% on football accas of three or more selections. William Hill’s Football Acca Boost adds 3% on a double up to 200% on 20 or more legs, capped at £10,000 per online bet, running until 30 May 2027. Each is a different shape of the same idea: give the acca punter a backstop or a multiplier.

Free-bet clubs and recurring offers. Many operators run a weekly free-bet club: place a certain volume of bets at minimum odds and receive a free bet. Coral’s Reward Shaker is a daily free spin that can land a free bet. Hollywoodbets’ losing-accumulator mechanic sits in this category. The clubs are smaller per week than the sign-up offer; they run forever.

Cash Out and bet builders. Not strictly promotions but functionally part of the promotional spine. Cash Out lets a punter settle a bet before the event finishes, at a price the bookmaker sets. Bet Builder lets a punter combine markets from one event into a single bet. Bet Builder+ combines Bet Builders across games. Each is a feature the punter uses repeatedly, and each is shaped by the offer’s underlying terms — minimum odds, market availability, settlement rules.

Loyalty and existing-customer promos. The category the welcome offer sits inside. Most operators reserve their best price boosts and free-bet clubs for existing customers. A punter who joins for the sign-up offer is buying access to that longer stream, and the comparison that matters most is the existing-customer spine.

The offshore question

A GB licence is compulsory at the point of consumption. An operator whose remote facilities are used in Great Britain needs a Commission licence wherever it is incorporated. A Curaçao or Malta-licensed operator that takes a bet from a customer in Manchester is committing an offence under section 33 of the Gambling Act 2005; on summary conviction the penalty is up to 51 weeks’ imprisonment, a fine up to level 5, or both. The offence is aimed at the operator, not the customer, and no offence aimed at a customer who merely bets with an unlicensed site was found.

The honest framing is not “unlicensed is illegal to use” but “unlicensed is unprotected to use”. A customer at an unlicensed site gets no GAMSTOP coverage, no Commission complaints route, no approved dispute-resolution body, no British consumer redress if funds are withheld. The 10x bonus cap and the £150 vulnerability check do not apply. The operator may or may not pay out a winning bet; the customer has no British backstop if it does not. The Commission’s enforcement is disruption, not blocking — cease-and-desist notices, search-engine referrals, work with registrars and payment providers, court-order DNS blocking powers that are about to come into force — which catches the operator more reliably than the customer.

The safer-gambling frame is the comparison that lands hardest. GAMSTOP, deposit limits, the vulnerability check, the bonus cap, the mixed-product ban: every one of these is a feature a licensed site must offer and an unlicensed site cannot be relied on to offer. For a punter who has self-excluded, a licensed site enforces the exclusion automatically; an unlicensed site may not. For a punter who wants to set a deposit limit, a licensed site is required to honour it; an unlicensed site is not. For a punter who loses a dispute with a licensed site, the Commission and an ADR body are routes of last resort; for a punter at an unlicensed site, the routes do not exist.

This is the cost-benefit that decides the choice. A licensed bookmaker asks for verification before the first deposit, may run a vulnerability check at £150 of net deposits in a rolling 30-day window, and offers a smaller menu of bonus mechanics than an offshore operator might. In return, the punter gets a deposit that will be paid back, a winning bet that will be settled, a self-exclusion that will be enforced, and a regulator to complain to if any of those fail. The unlicensed option offers a bigger bonus and looser checks; the cost is the absence of every protection on the other side.

What to check before claiming any offer

Three checks. None takes more than a minute.

The licence. The Commission’s public register can be searched by business name, trading name, domain or account number. Every bookmaker on this page appears on the register under the licence numbers the table lists. A reader who types a brand name into the register’s search box should see the licence holder’s name, the account number, the licence status and the date the licence was issued. A brand that does not appear is unlicensed.

The offer’s small print. The wagering multiple, the minimum odds, the expiry, the payment-method restriction. Coral’s offer is £20 at 2.0, 7-day expiry, debit card or instant bank transfer. Sky Bet’s offer is 5p at evens, 7-day expiry. Hollywoodbets’ offer is a £10+ acca at 4/1 or greater, settled in 7 days. The small print is what makes the offer what it is.

The marketing message. The CAP Code requires offers to state significant conditions before the customer opts in. An offer that does not state the wagering multiple on the landing page is in breach. An offer that buries the minimum odds in a footnote is in breach. The reader’s recourse is the ASA, which enforces the codes. A reader who sees a missing or misleading term can complain, and the ASA’s adjudication is published.

The fourth check, less common but worth knowing: the brand’s own responsible-gambling page. Every licensed operator has one. A reader who wants to set a deposit limit, take a time-out, or self-exclude via GAMSTOP can do so from the brand’s safer-gambling page. The check confirms the operator is in the British framework, not a front for one.

Choosing between the ten

For a punter who has decided to claim a welcome offer at a licensed bookmaker, the choice between these ten is a choice between offer shapes. The headline ranking of “best bookmaker promo codes” lists them in alphabetical or arbitrary order; the meaningful ranking is by punter type.

The acca punter reads the offer list and sees Hollywoodbets and BetUK as the only two shaped for accas. The £30 free bet on a losing acca at Hollywoodbets, the four-token structure at BetUK that mandates accas — these are the offers that match the punter’s natural bet.

The racing punter reads the list and sees Unibet and BetVictor as the two with the deepest racing product. BOG at Unibet, the acca insurance and price-boost cadence at BetVictor, the long-established racing customer base at both. The offer headlines are similar; the racing product is what differs.

The football singles punter reads the list and sees Coral, Unibet, Paddy Power and Sky Bet as the closest match. Coral and Unibet carry the £40 headline on the same terms. Paddy Power carries Super Sub and Bet Builder+. Sky Bet carries the smallest qualifying trigger. Betway sits alongside with a four-token reward at a £10 trigger.

The small-stake punter reads the list and sees Sky Bet first. The 5p trigger removes the variance cost of qualifying; the £30 reward is mid-table; the platform carries the same feature set as the bigger brands. Betway is the second choice at a £10 trigger.

The existing-customer punter reads the list and ranks it by the platform’s promotional spine. Paddy Power’s existing-customer promos are the deepest; Unibet’s racing promos are the strongest; BetVictor’s acca insurance runs longest. The welcome offer is a foothold; the long-term value is the spine.

The feature-driven punter ranks by what sits around the offer. Bet Builder and Bet Builder+ at Paddy Power, Unibet, Betway and others. Cash Out at Unibet, Paddy Power, Betway and others. In-play markets at the bigger brands; thinner menus at the smaller ones. Live streaming at Unibet TV, bet365’s streaming, others. The features are the deciding factor for a punter who has already decided which sports and markets they will use.

None of these rankings is “the best bookmaker promo code”. The honest answer is that the best offer is the one that matches the punter’s natural bet, and the matching is what this page tries to make easier.

The 2026 frame in plain English

The Gambling Commission’s promotion rules that came into force on 19 January 2026 are the most significant change to British bookmaker offers in a generation. Two rules, plus the rules that sat beside them already.

The 10x wagering cap. No bonus at a GB-licensed operator can ask for more than 10x its face value in turnover. A £10 bonus needs at most £100 of qualifying bets; a £50 bonus at most £500. The cap removes the high-multiplier bonuses that once dominated the market — 30x, 40x, 50x — and replaces them with offers the punter can actually clear. The expected cost of clearing, at a 5% margin, is now bounded: a £50 bonus costs at most £25 in margin to clear, against £50 headline value.

The mixed-product ban. No offer at a GB-licensed operator can ask the customer to gamble on two or more product types. A promotion that offers free spins at an online casino in return for a sports bet is now unlawful. A promotion that offers a sports free bet in return for a casino deposit is now unlawful. The ban closes a class of offers that the Commission judged to push customers from one product to another without their active choice.

The rules around them have been in place longer. Credit cards have been banned for gambling since 14 April 2020, including credit-card-funded e-wallet deposits. Identity has been verified before the first deposit since 7 May 2019. GAMSTOP has been mandatory for online operators since 31 March 2020. The financial vulnerability check at £150 of net deposits in a rolling 30-day window has been in force since 28 February 2025. The deposit-limit framework under RTS 12 has been phasing in since 31 October 2025, with a second phase postponed to 30 September 2026; whether the second phase is live is not established. The financial risk assessments the press calls affordability checks have been announced in a staged plan with no start date.

The punter who reads the small print in 2026 reads it inside this frame. The offer’s headline is bounded by the cap; the offer’s product mix is bounded by the ban; the offer’s payment methods exclude credit cards; the offer’s settlement runs inside a vulnerability-check frame; the offer’s expiry sits inside the safer-gambling frame the operator is required to offer.

The bookmakers named on this page operate inside the frame. The offers described are the offers they publish under the frame. A reader who wants a different offer shape — bigger bonus, mixed-product promo, credit-card deposit, anonymous play — has to leave the frame, and leaving the frame means leaving the protections the frame brings. That is the trade the 2026 rules ask every British punter to make.

The calculation in one place

For a Coral-style £40 free-bet offer with no rollover: the headline is £40 in stake-not-returned tokens; the expected value at average odds of 3.0 and a 5% market margin is around £25; the gap of around £15 is the cost of stake-not-returned and the margin.

For a bonus-with-rollover offer under the 10x cap: a £10 bonus at 5x turnover needs £50 of qualifying bets — 10 bets at £5 — at minimum odds, with an expected cost of £2.50 at 5% margin and a net value of £7.50; a £10 bonus at 10x turnover (the cap) needs £100 of qualifying bets — 20 bets at £5 — at minimum odds, with an expected cost of £5 and a net value of £5; a £50 bonus at 5x needs £250 of turnover — 50 bets at £5 — with an expected cost of £12.50 and a net value of £37.50; a £50 bonus at 10x needs £500 of turnover — 100 bets at £5 — with an expected cost of £25 and a net value of £25.

The expected cost is bounded by the cap. Above 10x is unlawful. The cost scales linearly with the bonus and with the wagering multiple. The cost falls as the market margin falls and rises as it widens. The expiry converts the arithmetic into a logistics problem: a punter who cannot place the bets inside the window loses the bonus.

The honest band, in plain English: a £10 bonus under the cap clears for an expected cost of £2.50 to £5, depending on the multiple and the market; a £50 bonus clears for £12.50 to £25; the net to the punter is the bonus minus that cost, and the punter who clears the bonus inside the expiry window keeps the net.

Where to read more

The Commission’s public register is the source for every licence number on this page. The Commission’s website publishes the social responsibility code, the LCCP and the Remote Technical Standards. GambleAware publishes guidance on offer terms, bonus mechanics and self-exclusion. GamCare runs the National Gambling Helpline. The ASA publishes adjudications on offer marketing under the CAP Code.

Each operator’s own terms are the source for every offer on this page. Coral’s terms state the £40 free-bet offer and the 7-day expiry. Unibet’s terms state the same offer on the same trigger. Sky Bet’s terms state the £30 offer and the 5p qualifying stake. Hollywoodbets’ terms state the losing-accumulator mechanic. Betway’s terms state the four-token structure and the debit-card requirement. Where the operator’s terms and the Commission’s rules diverge, the Commission’s rules apply; where the operator’s terms and the operator’s marketing diverge, the operator’s terms apply.

The page above is current as of the date in the line beneath the lead. The Commission’s rules are checked at the dates shown; the operator offers are checked at the dates shown. A reader who returns in six months should re-check the register and the operator’s current terms before claiming any offer.

Frequently asked questions

How does a promo code work at a betting site?

A promo code is a string the customer types at sign-up or deposit to unlock a published offer. At most GB-licensed bookmakers the welcome offer credits automatically once the qualifying bet settles, and no code is required. Where a code is published, it acts as a switch that turns on the offer the operator has already described in its terms — it does not override minimum odds, expiry, or stake-not-returned terms. Codes are not the offer; they are the entry point to it.

What is the maximum wagering requirement on a betting bonus in Great Britain?

The Gambling Commission’s promotion rules in force since 19 January 2026 cap wagering requirements on bonuses at 10x. A £10 bonus can require at most £100 of qualifying bets; a £50 bonus at most £500. Above 10x is unlawful at a GB-licensed operator. The cap does not apply to free bets whose terms carry no wagering condition, and it does not cap the money value of a bonus.

What do minimum odds and the wagering requirement mean in a sign-up offer?

Minimum odds are the shortest price at which a qualifying bet counts toward the offer — Coral and Unibet both set this at 2.0 (1/1). The wagering requirement is the multiple of the bonus that must be turned over in qualifying bets before the bonus or its winnings can be withdrawn. A £10 bonus with a 5x wagering requirement needs £50 of qualifying bets at minimum odds before withdrawal.

Why is the stake of a free bet not paid back with the winnings?

A free bet is a token, not cash. The bookmaker credits the token to the customer’s account, the customer places a bet using the token, and on a win the bookmaker returns the winnings only — not the stake plus the winnings. At decimal odds of 4.0, a £10 free bet returns £20 in cash rather than £30, because the £10 token is spent on placement. This is the standard shape of British free-bet offers.

Can a sports bet be tied to a casino bonus under the Commission’s promotion rules?

No. The Commission’s mixed-product ban, in force since 19 January 2026, prohibits offers that require gambling on two or more product types — sports betting and casino, betting and bingo, betting and lottery. A promotion that offers casino free spins in return for a sports bet, or a sports free bet in return for a casino deposit, is unlawful at a GB-licensed operator.

How can a reader check that a bookmaker holds a Gambling Commission licence?

The Commission’s public register can be searched by business name, trading name, domain, or account number. Every bookmaker named on this page appears on the register under the licence numbers and account numbers the table lists. A reader who searches the brand name should see the licence holder’s name, the account number, the licence status and the date issued. A brand that does not appear on the register is unlicensed.

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