The honest read on the best betting sign-up offers in the UK

Updated October 2026

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Current as of 27 October 2026 and checked against the Gambling Commission’s public register. Promotion rules cited in force since 19 January 2026.

A sign-up offer is the small bit of marketing that greets a first-time customer at a bookmaker. It is also, more often than not, the most expensive welcome a punter will ever accept. The same £20 that buys a night out pays for a qualifying wager at a typical site, and a £40 free bet sounds generous until the maths of turnover, minimum odds and a seven-day clock is worked through. This comparison runs through ten UK-licensed bookmakers and lays out what each operator’s headline offer actually requires, what it pays out, and what it costs the punter who takes it.

The angle is choice. There are several shapes a sign-up offer can take, and each suits a different punter. A bettor who deposits £5 once and never returns wants the lightest qualifying bet, with the fewest restrictions on what comes back. A regular who will place hundreds of bets a month wants the highest headline number, even if it costs more to clear. The wagering cap, the minimum price, the expiry window and whether the stake comes back all decide which offer is worth taking and for whom.

The best betting sign-up offers at a glance

The ten operators below all hold a remote licence from the Gambling Commission for Great Britain. The offers are quoted the way each operator’s own terms state them: read those terms before staking, because the small print on a free bet is where its real value sits.

The table is sorted on headline value for a punter who qualifies for everything. Spreadex and Smarkets both post £60, but Smarkets’ £20 qualifying bet at minimum odds 3.0 (3/1) carries real money-risk at a steeper line than Spreadex’ £10 at 1/2 (1.5). The Spreadex window for the qualifying bet is 28 days; BoyleSports, Coral and Unibet all use a shorter cadence. None of this matters to a punter who will deposit once and walk: that punter wants VBet’s loss-refund, which costs nothing if the first bet wins.

How the ranking was built

Four criteria decided the order. Headline value is the free-bet amount the operator credits, before conditions. Qualifying cost is what the punter risks to unlock it. Tightness of conditions covers minimum odds, expiry windows and whether the free bet can be split across markets. Long-term utility looks at recurring promotions, acca boosts and price boosters that the punter keeps after the welcome is spent.

bet365 leads on the long-term utility criterion — Bet Builder+ and Super Boosts sit on top of a deep sportsbook, and the welcome arrangement is built around ongoing product rather than a single headline number. Coral and Unibet share the second place because the headline is best-in-class on a £20 qualifying bet at a familiar minimum price. Sky Bet squeezes above Spreadex on the tightness criterion: a 5p first bet is a friendlier qualifier than £10 at 1/2 (1.5), and the £30 free bet is paid in three £10 tokens that can be split. Spreadex comes next on headline value (£60), but the qualifying bet carries the FCA-regulated spread book to it, which suits a punter who wants to try both products. Smarkets (SBK) is sixth because the minimum odds of 3.0 (3/1) on the £20 qualifier raise the cost of a failed qualification. BoyleSports, BetGoodwin and VBet fill the bottom three on smaller numbers, and BetVictor’s place reflects ongoing acca offers rather than a headline welcome.

A punter who weighs conditions above headline will arrive at a different order. That is the point of choice — different readers, different picks.

What a sign-up offer actually is

A sign-up offer is the bundle an operator hands a brand-new customer for opening an account, opting in and placing a first bet. It is built from three parts.

The qualifying bet is the wager the punter must place before any free bet is credited. The bookmaker’s terms name the minimum stake, the minimum odds and sometimes a payment-method rule (Coral requires a debit card or instant bank transfer for the qualifying deposit, for example). The qualifying bet pays out at ordinary prices, with no boost.

The free bet, or bet credit, is the token the operator credits once the qualifier settles. Most free bets in this comparison pay only the winnings, not the stake. A £10 free bet at odds of 4.0 (3/1) returns £40, of which £30 is profit and £10 is the stake the punter never sees again. This is the single most important rule to know about a free bet.

The expiry window is the time the punter has to use the free bet before it disappears. Seven days is standard. Spreadex gives 28 days for the qualifying bet but uses a shorter window for the free bet itself; BoyleSports Acca Insurance refunds a free bet that expires in 7 days, and QuinnBet credits free bets that last 7 days from issue. A punter who does not bet often should look for a long window; a punter who bets often will use any of them.

The third of the price that the bookmaker keeps sits inside every line, and the marketing around a sign-up offer tends to forget that. A free bet is a credit the punter can only spend on the operator’s own prices, and those prices include the margin the operator builds into each market. The free bet is not free in any economic sense. It is a chance to bet at the operator’s prices with the operator’s money, and what the punter keeps after that is the value the offer created.

The three shapes a sign-up offer takes

Most welcome offers in this comparison belong to one of three families.

The matched free bet is the standard: stake a fixed amount at a minimum price, receive a fixed bundle of free bets once the qualifier settles. Coral and Unibet pay £40 for £20 at minimum odds of 2.0 (1/1); Sky Bet pays £30 for £5 at minimum odds of 2.0 (1/1); BoyleSports pays £20 for £10; BetGoodwin pays £15 for £10 split across three tokens. The shape suits a punter who will bet anyway, because the qualifier is a bet the punter would have placed regardless.

The loss-refund turns the qualifier into a risk-free first bet. VBet credits a £10 free bet if the first-ever bet of £10+ loses. If it wins, no free bet is paid, and the punter keeps the winnings. The shape suits a punter who wants to bet once and walk away — there is no second bet to place, and the qualifying bet is on the punter’s own terms.

The boosted-odds offer takes the form of an enhanced-price token on a specific event. Several operators offer ongoing price boosts rather than a welcome boost; bet365’s Super Boosts and Unibet’s Uniboosts run daily across hundreds of markets. The shape suits a regular who will keep betting on the book, because the boost only has value while the punter uses the book.

Some operators mix the families. SBK (the sportsbook arm of Smarkets) pays £60 in free bets after a £20 deposit and a £20 bet, but the qualifying bet carries a minimum odds of 3.0 (3/1) that pushes the punter toward a longer-priced selection, and the 48-hour payout window is short. The shape is “matched free bet with a high qualifying hurdle”, and the punters who clear it cheaply are the ones with a strong opinion on an outsider.

The fundamentals of a sign-up offer

Three fundamentals govern every sign-up offer on a UK-licensed site.

A free bet stake is not paid back. When a free bet wins, the operator credits the winnings only. A £10 free bet at odds of 4.0 (3/1) returns £30 in profit and £10 in stake that does not exist. This rule is what makes the headline number of a free bet misleading. A £40 free bet at minimum odds of 2.0 (1/1) is worth, before margin, £20 of expected value at the book’s payout share; the £40 number is the credit, not the value.

The wagering requirement is a multiplier the punter must bet through before withdrawing bonus money. A 10x wagering requirement on a £10 bonus means the punter must place £100 of qualifying bets before withdrawing. The Gambling Commission’s promotion rules cap wagering requirements at 10x for GB-licensed operators since 19 January 2026 — no bonus in this comparison carries a higher multiple. The cap does not, by the Commission’s own statement, plainly cover free bets with no wagering condition, which is the shape most welcome offers take; it covers cash bonuses and bonuses paid in bet credits that carry a turnover condition.

The minimum odds clause is the floor the qualifying bet must clear before the free bet is paid. Minimum odds of 2.0 (1/1) mean the punter cannot place the qualifier on a heavy favourite. The clause is the bookmaker’s defence against a punter who would otherwise place the qualifier on a 1.01 (1/100) shot and never really risk anything.

Together these three rules decide what a welcome offer is worth. A £40 free bet at 1/1 minimums with a 7-day expiry and a £20 qualifier at the same minimums has a real cost the punter pays for the chance at the credit, and the credit has a real value after the book’s margin. The arithmetic in the next sections walks through both sides.

Wagering requirements, minimum odds and the cap

A wagering requirement is the most expensive part of a bonus. A £10 bonus with a 10x turnover requires £100 of qualifying bets before the bonus becomes withdrawable, and the £100 is the punter’s stake on markets that include the book’s margin. A 5% margin across the £100 of turnover costs the punter £5 of expected value. A 10x cap keeps that cost bounded; a 50x cap, which was common before 19 January 2026, cost ten times as much.

Minimum odds are the price floor the qualifying bet must clear. Coral and Unibet use 2.0 (1/1); BoyleSports Acca Insurance uses 1/2 (1.5); Sky Bet uses 1/1 (2.0); Spreadex uses 1/2 (1.5). The lower the floor, the easier it is to qualify cheaply. A floor of 1/2 (1.5) on a heavy favourite costs the punter little; a floor of 3.0 (3/1) on an outsider costs real money.

The 10x cap is the Commission’s main lever on welcome offers. It does not cap the headline number of a free bet, and it does not cap the value of a stake-not-returned token. It caps the multiplier the operator can attach to a bonus the punter must turnover to withdraw. That distinction matters: most of the offers in this comparison are free bets rather than bonuses, and a free bet with no turnover requirement is not directly touched by the rule.

What the promotion rules actually ban

Two promotion rules came into force on 19 January 2026. Wagering requirements on bonuses are capped at 10x. Mixed-product promotions — an offer that requires gambling on two or more product types, for example “bet on football to get free spins” — are banned.

The 10x cap is the rule with the largest effect on cash bonuses. A £10 bonus at 50x required £500 of qualifying bets before withdrawal; under the cap the requirement is £100, and the bonus’s expected value to the punter improves with it.

The mixed-product ban is the rule that changes how operators design their welcome pages. A bookmaker can no longer attach a sportsbook sign-up offer to a casino bonus in the same promotion. The punter can still claim a separate casino welcome offer on its own terms; the operator simply cannot tie the two together. The practical effect is that welcome pages now show a sports offer and a casino offer as separate promotions, and a punter who wants both claims each on its own terms.

What the rules do not cover is also worth knowing. Free bets with no wagering requirement are not plainly inside the 10x cap. The headline number of a free bet is not capped. The expiry window is not capped. A maximum cap on the money value of a bonus is not established in the rules. The Commission’s own statement of the rules leaves these open, and a punter who sees an unusually large free bet should check whether it carries a turnover condition the cap does not cover.

The legal frame in Great Britain

Every brand in this comparison holds a remote operating licence from the Gambling Commission. The Commission is the regulator for the whole commercial market under the Gambling Act 2005, which covers Great Britain. Northern Ireland runs under older legislation and is outside the Act, so a GB licence does not regulate Northern Ireland.

A bookmaker’s licence is on the Commission’s public register, searchable by business name, trading name, domain or account number. The register is the test of whether a brand holds a licence, and every licence claim on a UK-facing site can be checked against it. The Commission’s account number sits at the top of each licence entry. Several brands can run under one licence — Ladbrokes and Coral both run under LC International Limited, and Paddy Power and Betfair both run under Flutter’s PPB group — so a licence is not a one-to-one claim of independence.

Five licence categories cover the betting market. Remote general betting standard (real events) is the standard sportsbook licence. Remote general betting standard (virtual events) is for virtual markets. Remote general betting limited is for smaller operators. Remote pool betting covers pool products. Remote betting intermediary is the exchange licence, and a betting exchange runs under it rather than the standard sportsbook licence.

The Commission’s Licence Conditions and Codes of Practice (LCCP) bind every licensee. The LCCP carries the customer-protection rules that govern in-play markets, marketing, age verification and identity checks. Spread betting that is a financial product is regulated by the Financial Conduct Authority, not the Commission, and Spreadex is one of the few UK-facing bookmakers that holds both sets of permissions.

A licence is compulsory at the point of consumption. Since the Gambling (Licensing and Advertising) Act 2014, any operator whose remote facilities are used in Great Britain needs a Commission licence wherever it is based. A Curaçao, Maltese or Gibraltar licence is not a substitute. Providing gambling facilities in Great Britain without the licence the Act requires is an offence under section 33 of the Gambling Act 2005, aimed at the operator.

Identity verification is mandatory before a customer can deposit or gamble, in force since 7 May 2019, including with a free bet or bonus. Name, address and date of birth are checked, and a punter cannot place a qualifying bet at a UK-licensed site until the check is done. There is no anonymous play.

The minimum age is 18 across the licensed market.

What may be bet on

No statutory list of permitted bets or markets exists in the Gambling Act 2005. An operator holds a licence for a category and offers markets under its own rules and the LCCP. In-play betting is offered by GB bookmakers and is controlled by the operator’s licence conditions and customer-protection duties. Esports are treated like any other event for licensing purposes; virtual events are a separate licence category. Bets on politics, TV shows and novelty markets are offered by GB bookmakers and no statutory prohibition was found.

Betting exchanges run under a betting intermediary licence, and rates and rules specific to exchanges are stated only from each exchange’s own terms. Smarkets is the only exchange in this comparison.

There is no statutory cap on stakes in sports betting. Operators set their own maximum stakes and may restrict customers. A punter who has just opened an account typically faces lower maximums than a long-standing customer, and the maximum rises as the operator builds a history with the punter.

Advertising, marketing and the bonus cap

Advertising is not licensed by the Commission. Marketing runs through the CAP Code (non-broadcast) and BCAP Code (broadcast), enforced by the ASA, alongside the LCCP marketing conditions. CAP Code section 16: marketing must be socially responsible, must not be of strong appeal to under-18s, and no one who is or seems to be under 25 may be featured gambling or play a significant role in an advertisement. The rule concerns who may appear in the advertisement, not who may bet.

The promotion rules in force since 19 January 2026 cap wagering requirements on bonuses at 10x and ban mixed-product promotions. The 10x cap covers bonuses with a wagering condition. Whether the cap applies to free bets with no wagering condition is not established in the Commission’s published statement; this comparison treats the cap as covering bonuses with a turnover requirement and reads each operator’s terms on free-bet stake-returned conditions directly.

The “whistle-to-whistle” rule is an industry code, not law. Since 1 August 2019, betting advertisements are not shown on television from five minutes before a live sporting event to five minutes after it, before the 9 pm watershed. Horse and greyhound racing are excluded. The Premier League clubs’ withdrawal of gambling sponsorship from the front of matchday shirts, starting from the 2026/27 season, is voluntary and not a law. Operators are responsible for marketing by their affiliates, which means a punter who sees an offer on an affiliate site should still check the operator’s own site for the terms.

A promo code is never printed in this comparison. Promo codes change, expire, and apply only to specific landing pages; they are not part of the offer the operator’s own terms describe. The terms are what binds.

Tax, duty and the punter’s bottom line

The punter pays no tax on betting winnings in Great Britain. General Betting Duty is the operator’s tax on gross profits and is set by HM Treasury. Until 1 April 2027 the duty rate for remote betting is 15%; from 1 April 2027 a new remote betting rate of 25% applies within General Betting Duty for remote bets that are not on UK horse racing, with pool betting and in-person betting staying at 15%. Spread betting has its own rates — 3% financial, 10% other — under Spreadex’ dual FCA and Commission regulation.

Whether operators pass duty on through odds is not established, and this comparison never writes that the punter is charged duty. The duty is the operator’s tax, and the operator sets its own prices with the duty baked in.

The Commission’s statutory levy is a separate charge on operators, not a tax on the punter. The punter sees no levy on the betting slip.

A professional gambler should ask HMRC or an adviser. The tax treatment of a punter who earns a living from betting is not the same as the treatment of a recreational punter, and the line between the two is a question of fact for the adviser.

Playing offshore

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 based, and providing gambling facilities in Great Britain without that licence is an offence aimed at the operator under section 33 of the Gambling Act 2005. A punter who plays at an unlicensed offshore site commits no offence, but loses every protection the licensed market offers: no GAMSTOP coverage, no Commission complaints route, no approved dispute-resolution body, no British consumer redress if funds are withheld. The 10x bonus cap, the £150 financial vulnerability check and the LCCP marketing rules do not bind an unlicensed operator.

Enforcement is disruption, not blocking. The Commission issues cease-and-desist notices, refers unlicensed operators to search engines, and works with registrars, hosts and payment providers. Court-order DNS blocking powers have been given, or are about to be given, to the Commission. There is no live ISP blocking regime in operation. The honest framing is that licensed means checks, limits, GAMSTOP and the bonus cap — but also identity verification before the first bet — and unlicensed means none of those protections and a possible loss of funds.

A punter who wants to bet with a brand that is not on the Commission’s register is taking that trade-off. This comparison lists no unlicensed brand, and the rest of the page assumes the reader plays at a licensed bookmaker.

Responsible gambling at a UK-licensed site

The licensed market offers a wider set of player-protection tools than any other regulated jurisdiction. Each is worth knowing before staking.

GAMSTOP is the national multi-operator online self-exclusion scheme. It has been a mandatory licence condition for online operators since 31 March 2020. A punter who registers with GAMSTOP is excluded from every licensed online operator in Great Britain for the chosen period. Periods are 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 punter asks GAMSTOP to remove it. GAMSTOP covers online sites and apps; betting shops use a separate service.

The financial vulnerability check is the public-record check the Commission brought in under LCCP condition 3.4.4. It applies to licensed remote betting when a customer’s deposits minus withdrawals exceed £150 in a rolling 30 days, in force since 28 February 2025. It is a check of public records — bankruptcy, county court judgments — and is not an income check and not a credit reference check. The check runs in the background; a punter does not fill in a form at the threshold.

Financial risk assessments, sometimes called affordability checks in the press, are announced in a staged plan. The Commission’s publication of 7 July 2026 sets out the stages without a start date. A punter who reads about “affordability checks” in the press should know the rules are announced and staged with no live implementation date at the time of writing.

Deposit limits are the customer’s tool. Operators must offer a gross deposit limit on a fixed time frame under RTS 12. The first changes have applied since 31 October 2025; a second phase was postponed to 30 September 2026. Whether the second phase is live is not established, and the operator’s own page is the place to check.

Stake limits are a separate tool. Operators may set their own maximum stakes for individual events and markets, and may restrict a customer who wins consistently. The LCCP binds the operator’s approach to stake restrictions.

Self-exclusion at a single operator is the punter’s per-site tool. GAMSTOP is the multi-operator version. A punter who wants a single-operator exclusion asks the operator, and the operator is bound to apply it.

The support lines are free and confidential. GamCare runs the National Gambling Helpline. GambleAware funds treatment and education. NHS gambling clinics treat problem gambling in several regions. Gamblers Anonymous runs peer-support meetings.

The credit card ban and payment-method rules

Credit cards are banned for gambling in Great Britain since 14 April 2020, under LCCP condition 6.1.2. The ban covers credit-card-funded payments through an e-wallet. Debit cards and bank-based payments are not covered. LiveScore Bet accepts debit cards, Apple Pay, PayPal, Pay by Bank through Open Banking and Revolut Pay; Coral accepts debit cards, Apple Pay, Google Pay, Revolut Pay and a set of bank-transfer rails including TrueLayer, Earthport and Trustly. The credit card ban is uniform across the licensed market, and a punter who tries to deposit by credit card is blocked at the cashier.

Identity verification before the first deposit means a punter cannot deposit anonymously. Name, address and date of birth are verified, and source-of-funds questions at higher spend are normal under the money-laundering rules. The verification is part of the licensed market’s promise of protection, and it is also a check the punter must complete before the first qualifying bet.

A British named-account rule, a state list of permitted payment methods and any rule for or against cryptocurrency deposits at licensed operators are not established in the Commission’s published rules. The operator’s own payment page is the place to check whether a specific method is supported.

How to compare two sign-up offers on the page

Two offers face each other across the table, and the honest comparison runs through three steps.

The first step is the qualifying cost. The punter stakes £X at minimum odds of Y on a market, and the bet pays out at the book’s prices if it wins. The qualifying cost is what the punter pays for the chance at the free bet: it is the stake times the chance the bet loses, plus the stake times (1 minus the payout share) if it wins. For a £20 qualifier at minimum odds of 2.0 (1/1) on a market with a 5% margin, the qualifying cost is roughly £1 of expected value before the free bet is paid.

The second step is the free-bet value. The free bet pays only the winnings, and the value is what the punter keeps after the book’s margin. For a £40 free bet at minimum odds of 2.0 (1/1) on the same 5% margin market, the value is roughly £40 times (odds − 1) divided by odds, multiplied by the payout share, which comes to roughly £19 of expected value.

The third step is the net. Subtract the qualifying cost from the free-bet value, and the result is the expected value of the offer to the punter. For the example above, the net is roughly £18 of expected value from a £40 headline. A punter who places one qualifying bet and walks away captures that expected value in expectation over many such offers.

The three numbers are estimates, not guarantees. A punter who picks a 1.01 (1/100) shot for the qualifier pays almost nothing to qualify; a punter who picks a 10.0 (9/1) shot pays more. A punter who uses the free bet on a market with a 10% margin captures less of the headline than a punter who uses it on a market with a 3% margin. The arithmetic is a guide, and the punter’s actual outcome depends on the bets placed.

Worked example: Coral’s £40 in Free Bets for £20

The headline is £40 in Free Bets when you bet £20 at minimum odds of 2.0 (1/1). The free bets are issued within 7 days and expire 7 days after issue, and the offer is for new GB customers who opt in and fund the qualifying deposit with a debit card or instant bank transfer.

The qualifying bet costs the punter roughly £1 of expected value on a 5% margin market at 1/1. The £40 free bet, used at minimum odds of 2.0 (1/1), returns roughly £20 of expected value before the book’s margin, and the punter keeps that over the 7-day window. The net is roughly £19 of expected value on the offer.

A punter who uses the free bet on a market with a 3% margin — a deep horse racing market close to the off — captures more. A punter who uses it on a 10% margin market captures less. The headline is a guide; the punter’s choice of market decides the realised value.

Worked example: VBet’s £10 Free Bet if the first bet loses

The headline is a £10 free bet if a new, verified customer stakes £10 or more on a first-ever bet that loses. If the first bet wins, no free bet is paid; if it loses, the punter receives a £10 free bet.

The qualifying bet is on the punter’s own selection, with no minimum odds published. The free bet is stake-not-returned, and the value depends on the market the punter uses it on. A £10 free bet at 4.0 (3/1) on a 5% margin market returns roughly £6 of expected value. The net depends on the punter’s first bet: a punter who picks a 4.0 (3/1) shot for the qualifier pays more in qualifying cost, and a punter who picks a 2.0 (1/1) shot pays less.

The shape is right for a punter who will bet once and walk away. There is no second bet to place, and the free bet is a hedge against the loss rather than a reward for the win.

Worked example: Sky Bet’s £30 in Free Bets for a 5p bet

The headline is £30 in free bets credited as three £10 tokens after a deposit of at least £5 and a first single or each-way bet of at least 5p at odds of 1/1 or greater.

The qualifying bet is a 5p bet at 1/1. The qualifying cost is effectively zero: the punter risks 5p on a 1/1 shot, and the expected cost of the bet is a fraction of a penny. The £30 in free bets, used at the book’s prices, returns roughly £14 of expected value before margin. The net is essentially the full £14.

This is the cheapest qualifier on the page. A punter who values the cheapest possible path to a free bet picks Sky Bet for the qualifying bet, and the £30 in three tokens is the most flexible headline in the comparison.

The ten operators in detail

Each review below covers a single operator: the licence, the offer in the operator’s own terms, the conditions the punter should know about, and a verdict on which punter the offer suits. The reviews are written on what each operator’s terms state, and the verdicts are the page’s own reading of those terms.

bet365 — best for ongoing product rather than a single welcome

bet365 is the largest UK-facing sportsbook and the operator with the deepest ongoing product on this page. The Commission licence sits with Hillside (UK Sports) ENC under account 55148, and the site carries a remote general betting standard (real events) licence for Great Britain.

The headline welcome arrangement is built around ongoing product rather than a single headline number. Bet Builder+ combines markets from one event into a single bet, available pre-match and in-play. Super Boosts and daily Bet Boosts price-boost singles and selected markets. Winnings Boosts apply to Bet Builders and selected singles. The features are the welcome, and they continue throughout the punter’s time on the site.

The conditions are simple. The Bet Builder+ bet must use markets from a single event. Super Boosts carry a maximum-stake limit named on the boosted market. Winnings Boosts apply to selected markets only. The punter who reads the boosted-market card before staking captures the value cleanly.

The verdict: bet365 suits a punter who will bet regularly rather than once. The Bet Builder+ and Super Boost features are the reason to be on the site, and the welcome arrangement is the natural way in. A punter who places a single qualifying bet and never returns will not capture the value the site offers, and a smaller-headline welcome at a different operator may serve that punter better.

Coral — best for the £40 headline on a familiar minimum

Coral is one of the two operators on this page that pair a £40 headline with a £20 qualifier at minimum odds of 2.0 (1/1). The Commission licence sits with LC International Limited under account 54743, and the licence carries both remote general betting standard (real events) and remote betting intermediary categories.

The headline welcome offer, in Coral’s own terms, is “Get £40 in Free Bets when you bet £20”: a deposit and sports bet of £20 or more at minimum odds of 2.0 (1/1), with £40 in free bets issued within 7 days and expiring 7 days after issue, for new GB customers who opt in. The qualifying deposit and bet must use a debit card or instant bank transfer. The site lists Apple Pay, Visa, Visa Electron, Mastercard, Revolut Pay, Google Pay, TrueLayer, Earthport and Trustly among the accepted methods.

Beyond the welcome, Coral runs a free daily Reward Shaker, an Odds Booster across hundreds of markets, and free-to-play games such as Football Super Series with a £10,000 jackpot. The Acca Boost product is built into the site’s coupons.

The verdict: Coral suits a punter who will use the £40 across Coral’s ongoing product. The Acca Boost, the Reward Shaker and the Odds Booster are the second bite, and a punter who picks Coral for the headline and stays for the recurring product captures the most value. A punter who bets once and walks should check the qualifying deposit rule — the debit card or instant bank transfer requirement excludes credit cards under the Commission’s ban.

Unibet — best for the £40 headline with the deepest in-play product

Unibet carries the same £40 headline as Coral and adds a deeper in-play and live-streaming product. The Commission licence sits with Platinum Gaming Limited, Gibraltar, under account 45322. Unibet states it has operated since 1999.

The headline welcome offer, in Unibet’s own terms, is “Get £40 in Free Bets when you bet £20”: a deposit and sports bet of £20 or more at minimum odds of 2.0 (1/1), with free bets expiring within 7 days of issue, for new GB customers using a debit card or instant bank transfer.

Beyond the welcome, Unibet offers Bet Builder, daily Uniboosts, live streaming through Unibet TV, in-play betting, Best Odds Guaranteed on horse racing and Cash Out on thousands of markets. The Best Odds Guaranteed product is the standout — the punter who takes the early price on a horse and the starting price is higher gets paid at the starting price.

The verdict: Unibet suits a punter who bets on horse racing and on in-play football. The Best Odds Guaranteed and Unibet TV combination is rare on this page, and the £40 headline is the entry fee. A punter who bets once on a single match should pick Coral; a punter who bets weekly on racing and in-play picks Unibet.

Sky Bet — best for the cheapest possible qualifier

Sky Bet carries the smallest qualifying bet in this comparison: a 5p first bet at minimum odds of 1/1. The Commission licence sits with Bonne Terre Limited under Sky Betting and Gaming’s group structure, and the welcome offer is published on Sky Bet’s help pages.

The headline welcome offer, in Sky Bet’s own terms, is £30 in free bets credited as three £10 tokens after a deposit of at least £5 and a first single or each-way bet of at least 5p at odds of 1/1 or greater.

The free bets are paid in three £10 tokens, which can be split across markets. The expiry is short — Sky Bet’s free bets typically expire within 7 days — and a punter who does not use them loses them.

The verdict: Sky Bet suits a punter who values the cheapest path to a free bet. The 5p qualifier costs almost nothing, and the £30 in three tokens gives the punter three separate shots at the book. A punter who values the highest headline number picks Coral or Unibet; a punter who values the smallest first stake picks Sky Bet.

Spreadex — best for a punter who wants spread betting alongside the fixed-odds book

Spreadex is the only UK-facing bookmaker on this page that runs both a fixed-odds sportsbook regulated by the Commission and a financial spread book regulated by the FCA. The Commission licence covers the fixed-odds product.

The headline, in Spreadex’s own terms, is £60 in free bets for a £10 fixed-odds bet, with the free bets usable across fixed odds and spread betting. The qualifying bet must be placed within 28 days of opening the account. The qualifying fixed-odds bet carries minimum odds of 1/2 (1.5).

Beyond the welcome, Spreadex runs Acca Boosts that pay a cash boost from 5% to 100% on football accumulators of three or more selections, depending on the number of legs. Spread betting losses can exceed the deposit, and the FCA-regulated spread book carries its own risk profile that is different from the fixed-odds sportsbook.

The verdict: Spreadex suits a punter who wants to try spread betting with the operator’s credit. The £60 headline is the highest on the page, and the 28-day qualifying window is the longest. A punter who only wants fixed odds should check the spread betting caveat: the credit is usable across both, and the punter who treats it as fixed-odds-only misses the spread book’s potential. Spread betting losses can exceed the deposit, and that risk sits alongside the free bet.

Smarkets (SBK) — best for a punter who wants an exchange-style product

Smarkets operates as a betting exchange, and SBK is the operator’s sportsbook arm. The Commission licence sits with Smarkets (Malta) Limited under account 39173, and the licence is a remote betting intermediary licence rather than a standard sportsbook licence.

The headline, in SBK’s own terms, is £60 in free bets after a £20 deposit and a £20 bet at minimum odds of 3.0 (3/1), with the free bets credited within 48 hours. The minimum odds of 3.0 (3/1) push the punter toward a longer-priced selection, and the 48-hour payout window is the shortest on the page.

Beyond the welcome, SBK offers Cash Out, Bet Builder and live horse racing streams. The exchange product is the underlying reason the sportsbook exists, and the prices on SBK tend to reflect exchange-style margins.

The verdict: SBK suits a punter who wants the exchange’s pricing discipline on a sportsbook product. The £60 headline is best-in-class, and the minimum odds of 3.0 (3/1) are the price the punter pays for it. A punter who has a strong opinion on an outsider picks SBK; a punter who only wants to back favourites picks a different operator.

BoyleSports — best for the punter who likes acca insurance

BoyleSports is the Irish-facing bookmaker with a UK product, and the welcome carries acca insurance as a recurring feature. The Commission licence covers BoyleSports’ UK product.

The headline welcome offer, in BoyleSports’ own terms, is £20 in free bets when a £10 bet is placed for UK customers, with €30 in free bets for a €10 bet for Irish customers.

Beyond the welcome, BoyleSports Acca Insurance requires opt-in, a minimum stake of £5, minimum odds of 1/2 (1.5) and pays a maximum refund of £20 as a free bet that expires in 7 days; bets must be placed and settled on the same day. BoyleSports Acca Loyalty requires opt-in, a £5 minimum stake, minimum combined odds of 3/1 and 5 or more settled legs, with a free bet expiring after 7 days.

The verdict: BoyleSports suits a punter who places accumulators. The Acca Insurance and Acca Loyalty products are the recurring value, and the £20 headline is the entry fee. A punter who does not place accas should look at a different operator.

BetGoodwin — best for the punter who likes a split-tokens welcome

BetGoodwin carries a £15 welcome split across three £5 tokens, each on a different market. The Commission licence sits with Goodwin Racing Limited under account 2927.

The headline welcome offer, in BetGoodwin’s own terms, is “Bet £10 and Get £15 in Free Bets”: a £5 sports bet, a £5 acca and a £5 Sub-Cover bet.

The Sub-Cover bet is the distinctive product — it refunds the punter’s stake if a single selection in a multiple loses. The acca token and the sports token work on the standard markets. The split suits a punter who will use three different market types.

The verdict: BetGoodwin suits a punter who likes a split-token welcome. The £15 headline is modest, but the three tokens cover three different products, and a punter who uses all three captures more value than a single-token welcome. A punter who only wants one product should look elsewhere.

VBet — best for the punter who wants a loss-refund welcome

VBet carries a loss-refund welcome rather than a matched free bet. The Commission licence sits with SCGO Limited under account 44662.

The headline, in VBet’s own terms, is a £10 free bet if a new, verified customer stakes £10 or more on a first-ever bet that loses. If the first bet wins, no free bet is paid.

The shape is right for a punter who wants a single bet. There is no second bet to place, and the punter does not need to opt in to a bonus.

The verdict: VBet suits a punter who wants to bet once and walk away. The loss-refund is the cheapest welcome for that punter, and the £10 free bet is a hedge against the loss. A punter who bets more than once picks a matched free bet at a different operator.

BetVictor — best for a punter who values recurring acca offers

BetVictor’s headline is built around recurring acca offers and price boosts rather than a single welcome number. The Commission licence sits with BV Gaming Limited under the group’s structure.

The welcome is published in the BetVictor app and governed by the operator’s customer terms and conditions. Beyond the welcome, BetVictor runs regular price boosts, acca offers and free bets on selected events. The recurring product is the value.

The verdict: BetVictor suits a punter who places accumulators and bets regularly. The price boosts and acca offers are the second bite, and a punter who picks BetVictor for the recurring product captures the most value. A punter who bets once and walks should look at a different operator.

Kwiff — the Supercharge product and what it means for a sign-up

Kwiff’s Supercharge feature can instantly boost the odds on a bet, for example from 2/1 to 20/1, and it can apply to single or multi bets on any sport. The Commission licence sits with Eaton Gate Gaming Limited under account 44448.

Kwiff offers Bet Builder and Bet Builder+ (combining Bet Builder bets from different games) and a guaranteed weekend acca boost. The Supercharge product is the distinctive feature — a punter’s bet can land at a much higher price than the original line.

The verdict: Kwiff suits a punter who likes the Supercharge mechanic. The boosted odds are the value, and a punter who understands the Supercharge terms captures the upside. A punter who wants a fixed headline number picks a different operator.

Additional operators on the Commission’s record

Four operators appear in research but not in the main ranking above, and each is worth a short note.

DAZN Bet offers Cash Out, Bet Builder, daily bet boosts and in-play betting; cash-out availability is not guaranteed and bets stand if it is unavailable. The safer-gambling tools include deposit limits, loss limits and wagering limits. DAZN Bet’s welcome is governed by its own terms.

QuinnBet free bets are valid for 7 days from credit and can be used on any market at odds of 1/2 (1.5) or greater, with maximum odds of 50/1; straight accumulators are allowed but Trixies, Patents and Yankees are not. The free-bet token is stake-not-returned.

Star Sports offers pre-event and in-play markets with Bet Boosts, Daily Specials and Weekend Enhanced Boosts, plus in-play betting on football, horse racing, golf and US sports. The product is the value.

NetBet Sport offers Daily Boosts, Profit Boosts and free bet offers, a Bet Builder with instant dynamic odds, and sports stats for major leagues. The Bet Builder is the standout.

These four operators hold Commission licences and are worth knowing for the punter who wants a wider choice, but the headline welcome number is smaller than the main ten and the recurring product is the differentiator.

The bonus turnover calculation

The Commission’s promotion rules in force since 19 January 2026 cap wagering requirements at 10x. A punter who claims a bonus with a 10x wagering requirement must turnover the bonus 10 times before the bonus becomes withdrawable.

The arithmetic depends on the bonus base the operator names. A £10 bonus with a 10x wagering requirement on the bonus alone requires £100 of qualifying bets. A £10 bonus with a 10x wagering requirement on bonus plus deposit requires £200 of qualifying bets — £10 bonus plus £10 deposit, multiplied by 10.

The number of bets the punter must place depends on the stake per bet. A punter who places £5 bets needs 20 bets to turnover £100; a punter who places £10 bets needs 10 bets. The minimum-odds clause decides which bets count: a 1/2 (1.5) minimum is more permissive than a 5/1 (6.0) minimum, and a punter who picks heavy favourites clears the turnover cheaply.

The expected cost is the turnover multiplied by the margin of the market the punter bets on. A punter who clears £100 of turnover on a 5% margin market pays £5 of expected value; a punter who clears the same turnover on a 10% margin market pays £10.

For a bonus under the 10x cap with a 5% margin market, the band is £5 to £10 of expected cost for every £100 of turnover, depending on the market the punter picks. The result is a band rather than a single number because the margin varies market to market. A punter who bets on a deep horse racing market pays less; a punter who bets on a thin novelty market pays more.

The cap matters because, before 19 January 2026, a 50x wagering requirement was common on smaller bonuses. A £10 bonus at 50x required £500 of qualifying bets, and the expected cost on a 5% margin market was £25. The 10x cap cuts the expected cost by a factor of five, and the punter who claims a bonus under the cap captures five times the value.

Where the wagering cap does not bite

The 10x cap covers bonuses with a wagering requirement. It does not plainly cover free bets with no wagering requirement, which is the shape most of the welcome offers in this comparison take. The headline number of a free bet is not capped. The expiry window is not capped. A maximum cap on the money value of a bonus is not established.

A punter who reads “free bet” without a turnover condition should still check the operator’s terms. Some free bets include a “no wagering” line; others include a turnover requirement that the Commission’s published statement does not plainly cover. The operator’s own terms are the place to check.

Mixed-product offers after 19 January 2026

The mixed-product ban closes off the offer that ties a sportsbook sign-up to a casino bonus. A punter who wants both claims each on its own terms: the sportsbook welcome and the casino welcome as separate promotions. The sportsbook offer does not unlock the casino offer, and the casino offer does not unlock the sportsbook offer.

This is a real change from the pre-2026 market. Welcome pages used to bundle a sportsbook free bet with a casino bonus in the same promotion, and a punter who wanted one got both. The ban means the punter opts in to each separately and reads each set of terms.

A punter who only wants the sportsbook offer is unaffected. A punter who wants both reads two sets of terms, completes two qualifying bets, and clears two wagering conditions where they apply. The honest framing is that the ban is a customer-protection rule rather than a market-reduction rule, and the punter who reads each set of terms captures the most value.

How to choose between the ten offers

The choice depends on what the punter wants from a sign-up offer.

A punter who values the highest headline number picks Spreadex or Smarkets (SBK), each at £60. Spreadex requires a £10 qualifier at 1/2 (1.5); SBK requires a £20 qualifier at 3.0 (3/1). The punter who can clear the SBK hurdle cheaply picks SBK; the punter who cannot picks Spreadex.

A punter who values the cheapest qualifier picks Sky Bet. The 5p first bet at 1/1 costs almost nothing, and the £30 in three tokens is the most flexible headline for the smallest cost.

A punter who values a familiar minimum picks Coral or Unibet. The £40 headline for £20 at 2.0 (1/1) is the standard offer, and the difference between the two is the recurring product: Coral’s Acca Boost and Reward Shaker against Unibet’s Best Odds Guaranteed and Unibet TV.

A punter who values a loss-refund picks VBet. The £10 free bet on a losing first bet costs nothing if the first bet wins, and the punter hedges against the loss.

A punter who values a split-token welcome picks BetGoodwin. The £15 across three tokens suits a punter who will use three different products.

A punter who values ongoing product picks bet365 or BetVictor. Both build the welcome into the recurring product, and the punter who bets regularly captures the most value.

A punter who values acca insurance picks BoyleSports. The Acca Insurance and Acca Loyalty products are the recurring value.

A punter who values the Supercharge mechanic picks Kwiff. The boosted odds are the value.

Reading the small print

Every operator’s small print carries rules the punter should know.

The expiry window is the most common trap. A 7-day window on the free bet means a punter who does not use the free bet within a week loses it. The punter who plans a quiet week picks an operator with a longer window.

The market restriction is the second trap. Some free bets are restricted to specific markets; some are restricted to specific sports. The punter who wants to use the free bet on an in-play market reads the terms first.

The payment-method rule is the third trap. Coral and Unibet both require a debit card or instant bank transfer for the qualifying deposit. A punter who tries to deposit by credit card is blocked, and a punter who tries to deposit through an unsupported e-wallet fails to qualify.

The stake-not-returned rule is the fourth trap. A free bet that wins pays only the winnings, and the punter who forgets the rule expects a return they will not see. The arithmetic in the section above walks through the numbers.

The minimum-odds rule is the fifth trap. A minimum-odds clause on the qualifying bet stops the punter from placing the qualifier on a heavy favourite. The punter who reads the clause picks a market that clears the floor without too much extra risk.

What to do if the offer does not land

If a free bet does not land in the account, the punter checks the operator’s terms first: the qualifying bet may have settled at odds below the minimum, the deposit may have used an unsupported payment method, or the offer may have been opted out of by accident. The operator’s customer service is the next step, and the Commission’s complaints route is the final step if the operator does not resolve the issue. The route is a protection the licensed market offers and the unlicensed market does not.

A note on British betting vocabulary

British bookmakers and their customers use a set of words that are worth knowing for this page.

The punter is the customer who places the bet. The bookie is the bookmaker. The stake is the amount risked on a single bet. The return is the stake plus the winnings on a winning bet. The profit is the winnings alone — the return minus the stake. The price is the odds. A single is a one-selection bet. A double is two selections; a treble is three; an accumulator or acca is four or more. An each-way bet is two bets of equal stakes, so the stake doubles. A Trixie is four bets; a Patent is seven; a Yankee is eleven; a Lucky 15 is fifteen; a Super Yankee or Canadian is twenty-six; a Heinz is fifty-seven; a Goliath is two hundred forty-seven. The total stake is the unit stake times the number of bets.

Cash Out is the feature that lets a punter settle a bet before the event ends. Best Odds Guaranteed (BOG) pays the higher of the early price and the starting price on horse and greyhound racing. The starting price (SP) is the price at the off. A Rule 4 deduction is the bookmaker’s rule on a non-runner in a horse race. A non-runner is a horse that does not start. Ante-post is a bet placed before the final declarations.

Odds are written in fractional form (5/1, 11/4, evens) and decimal form (6.00, 3.75). The conversion is a/b becomes a ÷ b + 1. Odds-on means shorter than evens — 1/2 (1.5) is odds-on; 5/1 (6.0) is odds-against. The margin or overround is the percentage of every unit bet the bookmaker keeps, built into every line.

The Commission is the Gambling Commission (UKGC). The LCCP is the Licence Conditions and Codes of Practice. GAMSTOP is the self-exclusion scheme. GamCare runs the National Gambling Helpline. GambleAware funds treatment and education. The NHS runs gambling clinics. Gamblers Anonymous runs peer-support meetings.

A free bet or bet credit is the token the operator pays a winning welcome offer in. A price boost is an enhanced-price offer on a specific market. An acca insurance is a refund on a losing accumulator. The stake is written £10 with no space; percentages are closed up; dates are written “9 April 2025”; spelling is British — licence noun, license verb, organisation, whilst.

Frequently asked questions about betting sign-up offers in the UK

How do I sign up at a UK betting site?

Pick a UK-licensed bookmaker from the Commission’s public register. Open an account with name, address and date of birth — these are verified before the first deposit. Fund the account with a debit card or bank transfer, since credit cards are banned for gambling in Great Britain. Opt in to the welcome offer in the operator’s promotions page or during sign-up, and place the qualifying bet at the minimum stake and minimum odds the offer names. The free bet is credited once the qualifier settles, and the punter uses it within the expiry window.

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

Ten times the bonus. Since 19 January 2026 the Gambling Commission caps wagering requirements on bonuses at 10x. A £10 bonus at 10x requires £100 of qualifying bets before the bonus is paid out as cash. The cap does not plainly cover free bets with no wagering requirement, which is the shape most welcome offers take; it covers cash bonuses and bonuses paid in bet credits that carry a turnover condition. Mixed-product promotions that tie betting to casino or bingo are banned under the same rules.

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

Minimum odds are the floor the qualifying bet must clear before the free bet is paid. Coral and Unibet use 2.0 (1/1), meaning the qualifier must be at evens or longer; Spreadex uses 1/2 (1.5), a more permissive floor; SBK uses 3.0 (3/1), a much steeper floor. The wagering requirement is a multiplier on the bonus that the punter must turnover before the bonus becomes withdrawable. Under the 10x cap, a £10 bonus requires £100 of qualifying bets. The two rules together decide what the punter pays to unlock the offer.

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

A free bet is a credit the punter can only spend on the operator’s own prices, and the operator’s prices include the margin the operator keeps on the market. Paying the stake back would double the cost of the offer to the operator, and most welcome offers on the UK market treat the free bet as stake-not-returned. The punter who forgets the rule expects a return they will not see. The value of a £10 free bet at 4.0 (3/1) is the winnings (£30), not the winnings plus the stake (£40).

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

No. Since 19 January 2026 mixed-product promotions are banned. A sportsbook offer that requires gambling on casino, bingo or lottery is no longer permitted, and an operator cannot tie a sportsbook welcome to a casino bonus in the same promotion. A punter who wants both claims each on its own terms: the sportsbook welcome and the casino welcome as separate promotions, each with its own qualifying bet and conditions. The ban is a customer-protection rule rather than a market-reduction rule, and the punter who reads each set of terms captures the most value.

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

Search the Commission’s public register by business name, trading name, domain or account number. The register is the test of whether a brand holds a licence, and every licence claim on a UK-facing site can be checked against it. The account number sits at the top of each entry, and the licence categories list the activities the licence covers. A punter who sees an unusually large welcome number from an operator not on the register should not deposit, because the protections of the licensed market — GAMSTOP, the Commission’s complaints route, the 10x bonus cap, the £150 financial vulnerability check — do not apply offshore.

Content created by the «Bookies Trust» team