New customer free bets in Great Britain: what a sign-up offer is really worth

Updated October 2026
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A sign-up offer arrives as a number. The number is small — a tenner, twenty, forty, sixty pounds — and it sits in a banner beside a story the page is asking you to read. The story says “free”. The next line tells you to deposit, place a first bet at a minimum price, then claim a free-bet token that is good for a few markets, that expires inside a month, and that hands you only the winnings, never the stake you never paid to begin with. This page is about what that sequence actually contains, in pounds and in the rules that have governed it across Great Britain since 19 January 2026.

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Kalooki Sportsbook is operated by Kalooki Sports Book Ltd (company number 12938274), licensed by the Gambling Commission under account number 57730, and is a GAMSTOP member.

The clusters of this guide move from the pocket side of the bet — what lands in your account, when, and on which rails — through the way the marketing is wrapped, the licence that sits behind each brand, and the self-exclusion tools a customer has if the offer (or the football, or the horse) gets the better of them. Ten operators sit at the end, each with a different combination of qualifying bet, token size, expiry and minimum price. The angle is consequence — what follows from this and when it shows, because a free bet you cannot place is not a free bet, and a bonus whose turnover requirement exceeds the offer’s value is not what the banner promised.

Currency: figures current as of 27 October 2026 against the Gambling Commission’s public register and each operator’s own terms page.

What a free bet actually is — and is not

A free bet is a token the bookmaker credits to a new account after the customer has done something the offer asked for: opened the account, made a first deposit, placed a first bet at a specified price. The token’s value, its expiry, the markets it can be used on, and whether anything is returned with a winning payout are all written on the operator’s own terms page. The token is not cash. It cannot usually be withdrawn. It cannot be split into smaller stakes. When a free bet wins, the bookmaker pays out the winnings, not the stake of the free bet. A £10 free bet at 3/1 pays £30, not £40; the £10 is already spent on the wager.

An empty football stadium with floodlight masts at dusk
Midnite's site cites Gambling Commission licence 101839 and shows in-play events, an acca builder, popular accas and price boosts with maximum-stake limits.

The arithmetic is straightforward. A backer’s stake is the cost of entry; a free bet’s stake is the bookmaker’s, so the cost does not come back. New customers are sometimes told this is a marketing technicality. It is the mechanism, and it changes the value of the offer by a factor of two to one depending on the price you take. At short odds the foregone stake is a small slice of the return; at long odds it can be a third of the headline number, and an article that quotes a £30 free bet as £30 of “value” has not done the math.

A free bet is also distinct from a bonus. A bonus is a sum credited to a cash balance that has to be turned over a stated number of times before it can be withdrawn, on selections at a minimum price, within a deadline. A £10 bonus at 5x wagering, on bets at minimum odds of 1/2 (1.50 decimal), means £50 of qualifying bets at 1.50 or longer before the original £10 (and any winnings from it) becomes cash. A £10 free bet, by contrast, can usually be placed once, at the markets the terms allow, and the winnings (not the stake) become cash or another free bet depending on the operator.

What a free bet is not: it is not a refund, it is not a guaranteed profit, and under the rules that took effect across Great Britain on 19 January 2026, a promotion cannot bundle a sportsbook offer with a casino, bingo or lottery requirement to make the customer gamble on more than one product type. The 10x cap on wagering applies to bonus turnover specifically. Whether the cap also catches free bets whose terms impose their own turnover rule has not been publicly settled, so this page does not assume one way or the other — it works the way the operator’s own terms read.

Cashier rails: how a free-bet payout actually reaches a bank account

A free bet that wins pays winnings into a withdrawable balance, with the operator’s own payment rails setting the speed. Three points matter: which method was used to deposit (it usually has to be the same one to withdraw), the operator’s stated withdrawal time, and whether the payout is to a card, an e-wallet or an instant bank transfer. The cluster below sets out what each rail does in practice across the licensed UK market.

An empty courtroom with wooden benches in morning light
Unibet states it has operated since 1999, and its UK site is run by Platinum Gaming Limited, Gibraltar, under Gambling Commission account 45322.

Debit cards. Visa and Mastercard are the default for almost every operator on this page. Withdrawals to a UK debit card typically settle within one to three working days once the operator has approved the payment, with the bank posting the funds on its own cycle. The 14 April 2020 ban on credit cards for gambling covers cards funded by credit, including credit-funded e-wallet top-ups — debit cards and bank-based payments are not part of that rule.

Apple Pay and Google Pay. Wallets work as a deposit route; withdrawals go back through the wallet or fall back to a bank transfer depending on the operator. LiveScore Bet’s help pages list Apple Pay alongside Visa, Mastercard, PayPal, Pay by Bank (Open Banking) and Revolut Pay as accepted methods for both directions of payment.

PayPal and Revolut Pay. E-wallet withdrawals usually clear faster than cards, often inside twenty-four hours once approved, because the funds are already inside the wallet’s own ledger. Operators that hold a UK Gambling Commission licence can refuse a PayPal deposit for the qualifying portion of a sign-up offer — Unibet’s sports welcome terms state that the deposit and the qualifying bet must come from a debit card or instant bank transfer.

Open Banking (Pay by Bank, TrueLayer). Direct bank-to-bookmaker transfers that cut out the card network. They are typically the fastest rail for a withdrawal, often settling in minutes once the operator releases the payment, and they carry no chargeback right the way a card does. Coral lists TrueLayer, Earthport and Trustly among its payment options alongside the more familiar wallets.

Bank transfer. A fallback. A withdrawal by Faster Payments or BACS can arrive in minutes or take up to two working days depending on the sending bank, the receiving bank and the operator’s own release window. This is the rail to use when the original deposit came from a method the operator cannot pay back to (a credit card, a closed e-wallet).

Prepaid and voucher schemes. Paysafecard and similar products are usually deposit-only at a sportsbook; the balance has to be withdrawn to a bank account or, in some cases, cannot be withdrawn at all without a verified bank account on file. The identity check that runs before the first deposit, in force since 7 May 2019, means every licensed brand holds verified bank details for any account that has deposited at all.

The practical order: a free-bet winnings payout goes to the same balance as a cash bet, and it is paid back through the same channel the deposit came in on. If the deposit was a debit card, the payout goes to the card (or to a bank account, depending on the operator). If the deposit was an e-wallet, the payout goes to the wallet. Operators are required to use “know your customer” checks before any withdrawal, so the first payout can take a little longer than later ones while the verification completes. After that, payment speed is a question of the rail.

Predictions, forecasts, and the cupboard they come from

A “free bet for today’s football” search lands on a page that lists a handful of fixtures, gives a tipster’s selections and points the reader at a bookmaker. The page is part advertising and part analysis, and the betting side of the value — what a free bet is worth on a given selection — sits behind the pick. The thing to know is that no free-bet offer makes a bad selection a good one. The free bet shifts the economics of a winning bet, not the probability of one, and any article that confuses the two is selling something.

Two pieces of arithmetic are worth doing. First, expected value. A free bet is worth its face value times the net price of the selection minus the operator’s margin. A £10 free bet placed at 3/1 on a market whose overround is 5% is worth, on average over many similar bets, £10 × 3 / 4 × (1 – 0.05) ≈ £7.13. At 6/4 the same free bet is worth £10 × 6/10 × 0.95 = £5.70. At odds-on the free bet is worth less than half its face value; at long odds the stake-not-returned rule starts to bite. The lower the operator’s margin on the chosen market, the closer the free bet gets to its headline number.

Second, qualifying bet logic. Many offers trigger the free bet only if the qualifying bet is at or above a minimum price — Sky Bet’s welcome offer needs the first bet at 1/1 or greater, Unibet’s at 2.0 (1/1), Spreadex’s at 1/2. A qualifying bet at the minimum price is usually a bet the customer would not have made at that price without the offer, and the value of the free bet is the value of the offer minus the expected loss on the qualifying bet. A 1/2 single on a 5%-margin market loses, on average, 5p in the pound. A £20 qualifying bet at 1/2 therefore costs about £1 of expected value, which has to come off the headline free-bet number. The arithmetic is dull. It is also the only place the offer’s true price lives.

The bookmaker’s margin is the operator’s take on every pound staked, expressed as a percentage of the pool. A two-way market priced 1.91 / 1.91 has an overround of about 4.7% — the prices sum to 1.047, and the margin (the bookmaker’s take) is closer to 4.5%. A market priced 1.80 / 1.90 has a margin closer to 7.8%. The margin is not a fee the customer pays; it is a portion of every pound staked that the bookmaker keeps, on average, across all bets. Football match odds (the 1X2 market) on Premier League fixtures at the bigger operators typically sit between 3% and 7% margin, with the bigger books clustering near 4-5%. Horse racing best-odds-guaranteed markets run higher. The free bet placed on a 4% market is worth more than the same free bet on a 7% market; the difference is small per bet, but it is the only part of the offer the customer can choose.

Sports and tournaments the offers reach

A free-bet token in Great Britain is usually restricted to specific market types. The licence sits behind the brand; the offer is shaped by the operator’s marketing team and the trading desk’s appetite for volume. Some patterns are common. Football and horse racing are almost always eligible, because they carry the volume. Other sports — tennis, golf, US sports, darts, snooker — depend on the operator. Some tokens are restricted to singles and each-way bets; others allow accumulators. BoyleSports’ Acca Insurance, for instance, requires opt-in, a minimum stake of £5, minimum odds of 1/2, and pays a maximum refund of £20 as a free bet that expires in seven days, with the bets placed and settled on the same day. QuinnBet’s free bets, by contrast, are valid for seven days on any market at 1/2 or greater, maximum odds 50/1, with straight accumulators allowed and Trixies, Patents and Yankees not. The details vary; the principle does not.

Premier League football is the default. The volume of money on each fixture lets operators offer tight prices, large maximum stakes, and a wide range of markets. International football (the World Cup, the European Championship, the Copa América, the Africa Cup of Nations, the Nations League) carries a step-change in offer terms when a tournament is on: bigger free-bet tokens, longer expiry, often minimum-odds waivers. The 2026 FIFA World Cup sits inside the calendar the offers are written against. Horse racing runs on Best Odds Guaranteed at most major operators — Unibet, William Hill, Coral and Sky Bet among them — meaning the payout is the starting price if that is higher than the price taken, an industry rule that gives a free bet at a competitive price almost a free re-spin on the payout.

The major UK-facing tournaments whose calendars the offers are tuned to include the Cheltenham Festival in March, the Grand National meeting in April, Royal Ascot in June, the Epsom Derby meeting in early summer, the Glorious Goodwood festival in late July and early August, the St Leger meeting in September, and the Cheltenham November meeting. The Premier League runs from August to May. International cricket tours and the home Ashes series attract tighter free-bet terms. The 2026 Wimbledon Championships sit in late June and early July. Each of these calendars has its own market rhythm, and the offer terms respond to that rhythm — the bigger the meeting, the more generous the token, the more forgiving the qualifying bet.

Beyond the headline events, the free bet is usually valid on anything the operator carries, with virtual markets almost always excluded and certain novelty markets (politics, TV, current-affairs) treated as bonus-ineligible on most books. The list of markets a token can be used on is small print, and the small print is what determines whether the offer is usable or not.

The licensed set: how the ten operators compare

The ten operators below each hold a remote general betting standard licence for real events issued by the Gambling Commission. Several brands can run under one licensee — Ladbrokes and Coral, Paddy Power and Betfair, and so on — and the comparison treats each brand as a separate trading name. Every GB-licensed online operator takes part in GAMSTOP, the national multi-operator online self-exclusion scheme. None of the brands below is “the only” licensed one; the licence register lists far more. The order follows the operators featured on this page.

Brand Gambling Commission remote licence Licence holder What the operator’s own terms say
Sky Bet 67370 SBG Sports Limited New customers: £30 in free bets as three £10 tokens on a first deposit of £5 and a first single or each-way bet of 5p or more at 1/1 or greater; tokens expire in 30 days, single or each-way only (no multiples), no virtuals, non-withdrawable, stake not returned.
Copybet 53774 Copybet UK Limited Acca Booster pays up to 100% cash on accas of 3+ selections, with a daily Profit Boost of up to 15%; welcome offer terms are stated on the brand’s own site.
Betfair 39439 PPB Counterparty Services Limited In-play betting, Bet Builder, free live streaming of UK and Irish horse racing and football in the app, and a 90 Minute Payout market on selected football fixtures.
Geoff Banks 54095 GB Sports Advisors Limited In-play prices, ante-post prices on future events, with the welcome offer stated in the app under the brand’s own customer terms.
Unibet 45322 Platinum Gaming Limited “Get £40 in Free Bets when you bet £20”: £20 or more at minimum odds of 2.0 (1/1), debit card or instant bank transfer only, free bets expire in 7 days, new GB customers.
Sporting Index 27343 Sporting Index Limited £10 fixed-odds bet at minimum odds of 1/2 unlocks three £10 fixed-odds free bets, three £5 Total Goals spread bets, three £5 Winning Favourites spread bets, and a £1 Race Index spread bet; qualifying bet cannot be in-play or cashed out early.
BetUK 39198 LeoVegas Gaming PLC New customers: deposit £10 and place a sports bet within 7 days of registering, receive four £10 free bets (two football accas of 4+ legs, two multiples of 2+), valid 7 days, opt-in required.
10bet 43173 Blue Star Planet Limited 100% betting bonus up to £50 for UK sign-ups, with daily free bets and free spins advertised in the app.
Dabble 65677 Dabble Sports UK Ltd “Bet £10, Get £10 in Free Bets” on a first deposit for new customers, with minimum odds applying, 7-day free bet expiry, and the stake not returned with winnings.
LiveScore Bet 56859 LiveScore Betting and Gaming (Gibraltar) Limited Debit cards (Visa, Mastercard), Apple Pay, PayPal, Pay by Bank (Open Banking) and Revolut Pay are accepted for both deposits and withdrawals.

The brands that combine a free bet with a sportsbook product are the ones above; the brands that run on a different licence (casino-only, pool-only, betting-intermediary-only) do not appear in this comparison. Spread betting sits under a separate Financial Conduct Authority regime for the financial side, with the Gambling Commission covering the fixed-odds side — Spreadex’s site is explicit that losses on a spread bet can exceed the deposit, which is the regulatory point the FCA registration exists to make.

The frame: how British betting is licensed

The Gambling Commission licenses the whole commercial market in Great Britain under the Gambling Act 2005, covering England, Scotland and Wales. Northern Ireland sits under older law and is outside the Act, so a “GB licence” regulates Great Britain only, never Northern Ireland. The Commission is a non-departmental public body sponsored by the Department for Culture, Media and Sport. 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 based — sections 33 and 36 of the 2005 Act, as amended. A Curaçao, Maltese or Gibraltar registration is not a substitute. There is no state monopoly and no cap on the number of licences.

Betting licence types are: remote general betting standard (real events), remote general betting standard (virtual events), remote general betting limited, remote pool betting, and remote betting intermediary (the licence for betting exchanges). The licence categories correspond to the kind of bets the operator may take. A real-events licence covers football, horse racing, tennis, golf and the rest. A virtual-events licence covers simulated events. Pool betting on horse or dog racing is its own category. A betting exchange runs under a betting-intermediary licence. The Commission’s public register can be searched by business name, trading name, domain or account number, and is the whole test of whether a brand holds a licence. Licensed operators use .com as well as .co.uk, so the domain proves nothing on its own. No operator is “the only” licensed one.

Financial spread betting is regulated by the Financial Conduct Authority, not the Commission. The two regulators have different remits, and the same operator can hold a Commission licence for fixed-odds betting and an FCA registration for spread betting — Spreadex does both, with the FCA’s spread-betting regime governing the financial-spread side. The relevant fact for a customer is that spread-betting losses can exceed the deposit, which is the disclosure the FCA registration requires and the reason the warning is printed on the brand’s home page.

Minimum age is 18. Identity, address and date of birth are verified before a customer can deposit or gamble, in force since 7 May 2019, and the check covers free bets and bonus credits as well as cash deposits. There is no anonymous play at a licensed site. What may be bet on has no statutory list; the operator holds a licence for a category and offers markets under its own rules and the Licence Conditions and Codes of Practice. In-play betting is offered by GB bookmakers; the controls are the operator’s licence conditions and customer-protection duties, not a statutory framework. Esports are treated like any other event. Virtual events are a separate licence category. Politics, TV shows and novelty markets are offered by GB bookmakers with no statutory prohibition found. No statutory cap on sports-betting stakes exists; operators set their own maximum stakes and may restrict customers.

The credit-card ban, in force since 14 April 2020 under LCCP condition 6.1.2, covers credit cards and credit-card-funded e-wallet top-ups. Debit cards and bank-based payments are not part of it. Cryptocurrency deposits at licensed operators are not addressed by statute: describe payments only from each operator’s own terms.

Advertising sits with the CAP Code (non-broadcast) and the 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 — that rule is about who may appear in the ad, not who may bet. The “whistle-to-whistle” rule is an industry code, not law: betting advertisements are not shown on TV from five minutes before a live sporting event to five minutes after it, before the 9pm watershed (horse and greyhound racing excluded), in force since 1 August 2019. The Premier League clubs’ withdrawal of gambling sponsorship from the front of matchday shirts from the 2026/27 season is voluntary, not law.

Promotion rules in force since 19 January 2026 cap wagering requirements on bonuses at 10x. A £10 bonus at 50x wagering is no longer permitted; under the cap no more than £100 of qualifying bets is needed to release the bonus. Mixed-product promotions — offers that require gambling on two or more product types (a sportsbook bet to unlock casino free spins, for example) — are banned. Whether the 10x cap also applies to free bets with no wagering condition is not established publicly, so the arithmetic on this page does not assume it. Operators are responsible for marketing carried out by their affiliates.

The tax position: the player pays no tax on betting winnings in Great Britain (this is general information, not tax advice; a professional gambler should ask HMRC or an adviser). General Betting Duty is the operator’s tax on gross profits, currently 15%; from 1 April 2027 a new remote betting rate of 25% applies within it, while remote bets on UK horse racing, bets on self-service betting terminals, pool betting and in-person betting stay at 15% (HM Government policy paper of 26 November 2025). Whether operators pass duty through into odds is not established. Never write that the player is charged duty. The Commission’s statutory levy is a separate charge and is not a tax.

The offshore side: a GB licence is compulsory at the point of consumption. Providing gambling facilities in Great Britain without the licence the Act requires is an offence under section 33 of the Gambling Act 2005 — up to 51 weeks’ imprisonment on summary conviction, a fine up to level 5, or both, and six months’ imprisonment in Scotland. The offence is aimed at the operator, not the customer who places the bet. The honest framing of the unlicensed site is the loss of protection: no GAMSTOP coverage, no Commission complaints route, no approved dispute-resolution body, no British consumer redress if funds are withheld, and the offer is not bound by the 10x bonus cap or the £150 vulnerability check. Enforcement is disruption — cease-and-desist notices, search-engine referrals, work with registrars, hosts and payment providers — and the Commission has been given or is about to receive court-order DNS blocking powers; ISP blocking is not yet in operation.

Safeguards: what a customer has if the bet gets the better of them

Every GB-licensed online operator is a member of GAMSTOP, the national multi-operator online self-exclusion scheme, which is a mandatory licence condition for online operators since 31 March 2020. A customer can register with GAMSTOP 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; betting shops use a separate service.

The financial vulnerability check (LCCP condition 3.4.4, in force since 30 August 2024) applies to licensed remote betting when a customer’s deposits minus withdrawals exceed £150 in a rolling 30 days (since 28 February 2025). The check is a public-record search (bankruptcy, county court judgments), not an income check and not a credit reference check. Financial risk assessments — what the press has called “affordability checks” — are announced in a staged plan, with the Commission’s article of 7 July 2026 setting out the timetable; no start date is in force, so the right framing is “announced, staged, no start date”. Deposit limits are the customer’s choice, with operators required to offer a gross deposit limit on a fixed time frame under RTS 12; the first changes applied from 31 October 2025, a second phase was postponed to 30 September 2026, and whether it is live is not established.

The help lines: GamCare runs the National Gambling Helpline. GambleAware funds treatment and research. The NHS runs gambling clinics. Gamblers Anonymous runs peer-support meetings. A customer who is in over their head is not short of routes out; what the page can usefully say is that the time to use the routes is before the bet, not after.

The bonus mechanics, walked through

Three terms appear on every sign-up offer and recur across the rest of the market: the qualifying bet, the wagering requirement, and the minimum odds. Each one is small in the marketing and large in the arithmetic.

Qualifying bet. The bet the customer has to place to unlock the free-bet token. The terms set a minimum stake, a minimum price, and often a market restriction (singles only, no virtuals, not in-play, not cashed out early). Sky Bet’s qualifying bet is a single or each-way bet of 5p or more at 1/1 or greater, with a first deposit of at least £5. Unibet’s is a sports bet of £20 or more at minimum odds of 2.0 (1/1), with the deposit and the bet on a debit card or instant bank transfer. Sporting Index’s is a £10 fixed-odds bet at minimum odds of 1/2, which cannot be placed in-play or cashed out early. The point of the qualifying bet is to bring the customer to a market the operator wants volume on; the price of the free-bet token is the expected loss on the qualifying bet, which the customer is paying whether or not the bet wins.

Wagering requirement. The number of times the bonus (or the bonus plus the deposit, in some cases) has to be turned over before the bonus and any winnings from it can be withdrawn. A £10 bonus at 5x means £50 of qualifying bets, on selections at or above the minimum odds, within the deadline. Under the 19 January 2026 rules, the wagering requirement on a bonus is capped at 10x. Whether the cap catches free bets whose terms impose a turnover rule of their own has not been publicly settled, and the page does not assume one way or the other. A bonus that is credited as withdrawable cash on the spot is not a bonus in the technical sense; it is a price boost or a refund.

Minimum odds. The shortest price a qualifying bet can be placed at, below which the bet does not count towards the wagering requirement. The shorter the minimum odds, the more markets count, and the easier the bonus is to clear. The longer the minimum odds, the more value the customer is forced to take. Unibet’s 1/1 minimum odds on the qualifying bet, for example, rules out odds-on markets where the operator’s margin is tight and forces the customer onto a market whose margin is wider, on average. A 1/2 minimum is a more permissive setting; a 5/1 minimum is a high one. Each is a small print term that changes the offer’s real cost.

What sits beneath all three is the operator’s margin. A market priced 1.91 / 1.91 has a margin of about 4.7%; a market priced 1.80 / 1.90 has a margin closer to 7.8%. The bonus turnover has to be run through markets with margins in that range, and the cost of clearing the bonus is the turnover multiplied by the average margin. A £50 turnover at 5% margin costs £2.50 in expected value; at 7% it costs £3.50. The headline number on the offer and the actual cost of clearing it are two different numbers, and the small print is what reconciles them.

What a free bet is worth, in numbers

A free bet is a one-shot wager. Its expected value is the free-bet amount times the net price of the selection minus the operator’s margin. The arithmetic below uses an illustrative two-way market at decimal odds 1.90 / 1.90 (fractional 9/10), with the assumption that the stake of a free bet is not paid back with the winnings. The 1.90 / 1.90 price is an example, not a quoted price: the actual price depends on the event, the market and the operator, and the page does not pin it to a snapshot.

A £10 free bet at 1.90 (9/10) on a market whose margin is 5% has an expected value, in band form, of about £4.50 to £5.00 — the lower bound at 5% margin, the upper at 4% margin. The exact figure is £10 × 0.90 / 1.90 × 0.95 to 0.96, which simplifies to roughly £4.50 at the wider margin and £4.75 at the tighter. The headline number on the offer is £10; the average return over many similar bets is closer to half that. A £30 free bet at the same selection sits between roughly £13.50 and £14.25 in expected value; a £40 free bet between £18.00 and £19.00; a £60 free bet between £27.00 and £28.50.

The condition that the band lives under: the selection is at the price stated, the market’s margin is the one stated, the stake of the free bet is not returned with the winnings, and the band averages over many bets at similar prices. A single bet will not produce the band’s midpoint, because the bet either wins the full return or returns nothing — the band is the statistical average, not a guaranteed outcome. A free bet at much longer odds — say 5/1 — moves the expected value closer to the headline number, because the foregone stake is a smaller share of the return. A free bet at much shorter odds — say 1/3 — moves the expected value well below half the headline, because the foregone stake is a large share of the return.

A worked example: a £10 free bet at 5/1 (decimal 6.00) on a market whose margin is 5% has an expected value of £10 × 5.00 / 6.00 × 0.95, which is £7.92. The headline number is £10; the average is closer to eight. At 10/1 (decimal 11.00) the expected value is £10 × 10.00 / 11.00 × 0.95, which is £8.64. The same free bet at 1/3 (decimal 1.33) is worth £10 × 0.33 / 1.33 × 0.95, which is £2.36. The price the customer chooses is the price the offer is worth.

The qualifying bet has its own cost. A £20 qualifying bet at 1/2 (decimal 1.50) on a market whose margin is 5% loses, on average, £1.00 in expected value — a slice of the £30 or £40 of free-bet headline value the offer is sold at. A £5 qualifying bet at 1/1 (decimal 2.00) on the same margin loses about £0.50. A first bet of 5p, as Sky Bet’s offer requires, has no measurable expected cost — the qualifying-bet stake is so small that the expected loss is below a penny, and the qualifying requirement is effectively free to clear.

The ten operators, reviewed

Sky Bet — the wide welcome and the wide restrictions

Sky Bet is licensed under Commission account 67370, held by SBG Sports Limited. The new-customer offer is £30 in free bets, paid as three £10 tokens, on a first deposit of at least £5 and a first single or each-way bet of 5p or more at 1/1 or greater. The tokens are usable on single or each-way markets only, with multiples and virtuals excluded; they expire 30 days after crediting; they are non-withdrawable; and the stake of a free bet is not returned with the winnings.

The 5p qualifying bet is the cheapest on the licensed market, and the 30-day expiry is the longest in the comparison. The multiple exclusion is the restrictive half: an acca customer is locked out of the tokens, and a horse-racing customer using each-way bets can split the stake across win and place, but cannot combine legs into an accumulator. A football bettor who backs singles and the occasional each-way horse is the customer the offer is built for. The customer who wants the £30 to ride a Saturday acca will read the small print and walk.

Verdict: the qualifying bet is essentially free, the token expiry is generous, and the market restriction rules out the customers most likely to want a free-bet headline number. Sky Bet suits the bettor who bets singles, places a horse-racing flutter on a Saturday, and reads the small print before clicking.

Copybet — acca boosts over a sign-up token

Copybet is licensed under Commission account 53774, held by Copybet UK Limited. The Acca Booster pays up to a 100% cash bonus on accumulators of three or more selections, with the boost rising as legs are added. A daily Profit Boost of up to 15% sits alongside it. The welcome offer is set out on the brand’s own site and is not detailed in the materials this page works from.

The product is a sportsbook plus a tipster layer, and the headline offers are acca-shaped. A 100% Acca Booster on three legs, applied to a winning acca, doubles the winnings (not the stake); a 15% daily Profit Boost is a price improvement on selected markets, paid in cash. Both rewards are paid into the withdrawable balance, which is the part of the offer the small print matters on. The 100% headline on the Acca Booster is the kind of number that needs the leg count and the qualifying market to read clearly.

Verdict: the offer is built around accumulators and is the right fit for a customer whose bet is already a multi. A singles-only bettor gets a thin deal.

Betfair — the exchange name, the sportsbook product

Betfair is licensed under Commission account 39439, held by PPB Counterparty Services Limited. The brand runs both a betting exchange and a sportsbook; this page covers the sportsbook side. The sportsbook product includes in-play betting, Bet Builder, free live streaming of UK and Irish horse racing and football in the app, and a 90 Minute Payout market on selected football fixtures.

The 90 Minute Payout market settles on the result at the 90-minute whistle, irrespective of extra time and penalties. For a bettor whose football interest is the regular-season Premier League or a midweek European tie without a knockout structure, the market reads like a standard match result. For a bettor whose football interest is the knockout stages of the Champions League or the World Cup, the market changes the calculation on every outright bet. The free live streaming of UK and Irish racing and football inside the app removes a cost that other operators charge through premium tiers.

Verdict: the live-streaming line up is the part of the offer that saves a customer money outside the free bet. The 90 Minute Payout is the part of the offer that makes a knockout-football bet a different product. The right reader is the customer who follows racing or football year-round and wants the streaming and the in-play product that come with a Commission-licensed sportsbook.

Geoff Banks — a small bookmaker with a sharp focus

Geoff Banks is licensed under Commission account 54095, held by GB Sports Advisors Limited. The product is in-play prices and ante-post prices on future events, with the welcome offer stated in the app under the brand’s own customer terms. The app is published by GB Sports Advisors Ltd.

The product is a sharper fit for a customer whose interest is ante-post horse racing or the in-play markets on a smaller sportsbook. Ante-post prices are published well in advance of the event, and the bookmaker’s rules on non-runners and Rule 4 deductions apply. The brand does not have the marketing reach of the bigger names on this page; the offer is the product, not the welcome banner.

Verdict: the right customer is a horse-racing or ante-post bettor who has checked the brand’s terms and wants an alternative to the bigger books. The page does not have detailed terms for the welcome offer and does not pretend to.

Unibet — the streaming and the qualifying-bet discipline

Unibet is licensed under Commission account 45322, held by Platinum Gaming Limited, and the UK site has been in operation since 1999. The sports welcome offer is “Get £40 in Free Bets when you bet £20”: a £20 sports bet at minimum odds of 2.0 (1/1), placed on a debit card or instant bank transfer, with the £40 of free bets expiring within 7 days of issue, for new GB customers. The product includes 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 7-day expiry is short; the 1/1 minimum odds is restrictive; the debit card or instant bank transfer restriction rules out e-wallet users. The product around the offer is wide: Best Odds Guaranteed on horse racing turns a free-bet win into a free re-spin, and Unibet TV carries live streams of selected events. A horse-racing customer who uses Best Odds Guaranteed on the free-bet token gets a payout that is the higher of the price taken and the starting price, which can lift a winning token’s value.

Verdict: the offer is built for the debit-card or instant-bank-transfer customer whose free-bet market is horse racing with Best Odds Guaranteed. The 7-day expiry is the part of the offer that punishes a slow bettor; the 1/1 minimum odds is the part that rules out the short-price market. Suits a customer with a debit card and a plan for the next seven days.

Sporting Index — fixed-odds plus spread betting, in one account

Sporting Index is licensed under Commission account 27343, held by Sporting Index Limited. The new-customer offer unlocks three £10 fixed-odds free bets, three £5 Total Goals spread bets, three £5 Winning Favourites spread bets, and a £1 Race Index spread bet, on a £10 fixed-odds qualifying bet at minimum odds of 1/2. The qualifying bet cannot be placed in-play and cannot be cashed out early.

The offer is mixed, and the mix is the point. A fixed-odds-only customer gets three tokens at a price. A spread-betting customer, or a customer willing to learn what a Total Goals spread is, gets more from the same qualifying bet. The 1/2 minimum odds is permissive; the in-play exclusion is a feature. The product is a Commission-licensed sportsbook plus a spread-betting book, with the spread side carrying the FCA’s risk warning that losses can exceed the deposit.

Verdict: the offer suits a customer who already uses spread betting, or one who is willing to learn. The fixed-odds-only reader is paying the same qualifying bet for fewer tokens.

BetUK — four tokens, two of them for accas

BetUK is licensed under Commission account 39198, held by LeoVegas Gaming PLC. The sports welcome offer is for new customers who deposit £10 or more and place a sports bet within 7 days of registering; they receive four £10 free bets — two football accas of 4+ selections and two multiples of 2+ — valid for 7 days, with opt-in required.

The four-token split is unusual: two tokens usable only on football accas, two on multiples of two or more selections. A singles-only customer gets the offer’s deposit step and no token. An acca customer gets the headline number; a multiples-of-two customer gets two tokens. The 7-day window on the qualifying bet is tight for a customer who wants to wait for a fixture; the 7-day expiry on the tokens is short.

Verdict: the offer is for the acca bettor. A singles customer should pick a different sign-up.

10bet — a matched-deposit bonus and a daily rhythm

10bet is licensed under Commission account 43173, held by Blue Star Planet Limited. The 10bet app advertises a 100% betting bonus up to £50 for UK sign-ups, with daily free bets and free spins alongside. The bonus is a matched-deposit structure: deposit, place qualifying bets, clear the wagering requirement on selections at the minimum odds, withdraw.

The 100%-up-to-£50 headline is a different shape from a free-bet token. The bonus is in the cash balance, with a turnover rule that has to be cleared. Under the 19 January 2026 cap, the wagering requirement on a bonus is capped at 10x — a £50 bonus at the cap is £500 of qualifying bets. The minimum odds and the qualifying markets are in the small print. Daily free bets and free spins are a separate rhythm that runs alongside the headline offer; the free spins are a casino product, which under the 19 January 2026 rules cannot be unlocked by a sportsbook bet.

Verdict: the offer suits a customer who wants a matched-deposit bonus and is willing to clear a turnover. The free-bet customer who wants a one-shot token should look elsewhere.

Dabble — a clean £10-for-£10

Dabble is licensed under Commission account 65677, held by Dabble Sports UK Ltd. The welcome offer is “Bet £10, Get £10 in Free Bets” on a first deposit for new customers, with minimum odds applying, a 7-day free bet expiry, and the stake not returned with the winnings. The product is a sportsbook and casino in one Commission-licensed account.

The offer is the cleanest on the page: one number in, one number out, a short expiry, a stake-not-returned rule. The 7-day expiry is on the tight side; the minimum odds is in the small print. The “Bet £10, Get £10” headline is a fair framing of the value, and the small print does not contradict the banner.

Verdict: the offer suits a customer who wants a single token and a simple set of terms. The 7-day expiry is the part of the offer that punishes a slow bettor.

LiveScore Bet — the payments page and the product around it

LiveScore Bet is licensed under Commission account 56859, held by LiveScore Betting and Gaming (Gibraltar) Limited. The payments page lists debit cards (Visa and Mastercard), Apple Pay, PayPal, Pay by Bank (Open Banking) and Revolut Pay as accepted for both deposits and withdrawals. The brand is part of the LiveScore group, which carries scores, stats and a sportsbook product under one roof.

The payments line-up is the broadest of the brands on this page, and the Open Banking and Apple Pay rails give a customer a fast withdrawal route. A sportsbook product with a deep payments page and a Commission licence is the package on offer. The welcome offer terms are stated on the brand’s own site.

Verdict: the offer suits a customer who cares about the withdrawal rail and the LiveScore data product. A customer who only wants the free-bet token will read the terms and pick the brand with the best headline.

How the offers stack, by structure

A free bet is not the only shape a sign-up offer takes. The ten brands in this comparison run three structures between them, and the structure is the part of the offer that changes the maths.

Free-bet token, stake not returned. Sky Bet, Unibet, BetUK, Dabble, Sporting Index’s fixed-odds leg, Betfair (subject to its own terms), LiveScore Bet, Copybet (subject to its own terms). The customer places a free-bet token at a market of their choice; if it wins, only the winnings (not the stake) are paid; the headline value is the token, not the expected return.

Matched-deposit bonus with turnover. 10bet. The customer deposits, places qualifying bets at the minimum odds, clears the wagering requirement, and the bonus and any winnings become withdrawable. Under the 19 January 2026 cap, the wagering requirement is capped at 10x.

Spread-betting credit alongside fixed-odds free bets. Sporting Index. The customer unlocks a fixed-odds free-bet bundle plus a spread-betting credit bundle on a single qualifying bet. The spread-betting side is the FCA-regulated product; the fixed-odds side is the Commission-regulated one.

The choice between them is a question of what the customer values. A one-shot free-bet token is the cleanest structure and the easiest to value. A matched-deposit bonus is a longer relationship with the brand, with a turnover rule that takes a slice off the headline. A spread-bet plus a free-bet bundle is for the customer whose interest is in the spread-betting product.

The order in which a free bet actually clears

The sequence is worth setting out, because the offer’s small print is read at three points in the sequence and not at one.

Step one: open the account. Identity, address and date of birth are verified before the customer can deposit. The check is in force since 7 May 2019 and covers free bets and bonus credits. GAMSTOP registers are checked at this point: a customer who is in a self-exclusion period cannot open a new account or use an existing one.

Step two: deposit. The deposit is the first movement of money; the payment rail determines how the eventual withdrawal is paid back. Debit cards, e-wallets and Open Banking are the common routes. Credit cards are not.

Step three: place the qualifying bet. The terms set the minimum stake, the minimum price, the eligible markets, and any in-play or cash-out exclusions. The bet settles. If it loses, the customer has still paid the expected cost of the qualifying bet. If it wins, the stake plus winnings (or the free-bet token, depending on the offer) is credited.

Step four: receive the free-bet token. The token is credited to a separate balance. The token’s expiry starts running from this point, not from account opening. The terms set the eligible market types.

Step five: place the free bet. The customer chooses a market and a price. The bet settles. If it wins, the winnings (not the stake) are paid into the withdrawable balance or another free bet, depending on the operator.

Step six: withdraw. The withdrawal is paid back through the same rail the deposit came in on, subject to the operator’s verification and release window. The first withdrawal can take longer than later ones while the operator completes its “know your customer” check.

A free bet that arrives as a token is not a free bet until it has been placed, and a placed free bet that wins is not a payout until the operator has released the funds. The sequence is short; the timing is in the small print.

The cost of a bonus, in numbers

The expected cost of clearing a bonus is the turnover multiplied by the margin of the market the bonus is run through. A £10 bonus at 5x wagering, on selections at minimum odds of 1/2 (1.50) on a market whose margin is 5%, requires £50 of qualifying bets. The expected cost is £50 × 0.05 = £2.50. The customer receives a £10 bonus, pays £2.50 in expected cost to clear it, and is left with a net expected value of about £7.50 (before any winning bets contribute). Under the 19 January 2026 cap, the wagering requirement is capped at 10x — a £10 bonus at the cap is £100 of qualifying bets, with an expected cost at 5% margin of £5.00.

A free-bet token has a different cost shape. A £10 free bet at 1.90 (9/10) on a market whose margin is 5% has an expected value of about £4.50 to £4.75 — the headline value minus the operator’s margin and the foregone stake. A £30 free bet at the same selection has an expected value of about £13.50 to £14.25. A £60 free bet has an expected value of about £27.00 to £28.50. The expected value of a free bet is below the headline because the stake is not returned and the operator’s margin takes its share.

The qualifying bet has a cost that is often invisible. A £20 qualifying bet at 1/2 (1.50) on a market whose margin is 5% loses, on average, £1.00 in expected value. A £5 qualifying bet at 1/1 (2.00) loses about £0.50. Sky Bet’s 5p qualifying bet has an expected cost below a penny. The qualifying bet is part of the offer’s real price, and an offer whose banner hides the qualifying bet is hiding a cost the small print does not.

The honest framing of a sign-up offer, then, is the headline minus the expected cost of the qualifying bet, minus the operator’s margin on the free-bet selection, minus the foregone stake. A £40 free-bet offer with a £20 qualifying bet at 1/2 and a 5% margin on the free-bet market has a real expected value of about £40 × 0.50 × 0.95 minus £1.00, which is £18.00. The banner said £40. The number the small print produces is closer to £18.00. The arithmetic is dull. The number is what the offer is worth.

Edge cases and operator-specific details

A few terms recur across the comparison and change the offer’s shape in ways the small print handles.

Best Odds Guaranteed. Available on UK and Irish horse racing at most major operators including Unibet, William Hill, Coral and Sky Bet. The payout is the higher of the price taken and the starting price. A free-bet token at a competitive price gets a free re-spin on the payout.

Cash Out. Available at most operators, on selected markets, with availability not guaranteed and bets standing if cash out is unavailable. DAZN Bet’s help pages make the standing rule explicit. A free-bet token is often not eligible for cash out; the terms set this out.

Acca Insurance. A refund as a free bet if one leg of an accumulator lets the bet down. BoyleSports’ version requires opt-in, a minimum stake of £5, minimum odds of 1/2, and pays a maximum refund of £20 as a free bet that expires in 7 days, with bets placed and settled on the same day. QuinnBet’s free bets are usable on straight accumulators but not on Trixies, Patents and Yankees. William Hill’s Football Acca Boost pays from 3% on a double up to 200% on 20 or more legs, with a maximum boost of £10,000 per online bet, and runs until 30 May 2027.

Bet Builder. Available at most operators on football, with the ability to combine markets from one event (and, at bet365 with Bet Builder+, across multiple events) into a single bet. The minimum odds on the bet builder is the combination of the underlying markets.

Price boosts and enhanced odds. Daily offers at most operators, often with a maximum stake. Bet365’s Super Boosts, Bet Builder Winnings Boosts and daily Bet Boosts are the model; Unibet’s daily Uniboosts, Coral’s Odds Booster on hundreds of markets, kwiff’s Supercharge feature that can lift a price from 2/1 to 20/1, Copybet’s Daily Profit Boost, and 10bet’s daily free bets and free spins are variations on the structure. Each has a maximum stake and a settlement rule that sits in the small print.

In-play betting. Available at every major operator, with controls set by the operator’s licence conditions and customer-protection duties. The pages on in-play markets move quickly; the free-bet token is often not eligible, and the qualifying bet cannot usually be placed in-play or cashed out early.

Betting exchange. Betfair’s exchange runs under a separate betting-intermediary licence. The commission structure and the back-and-lay model are stated on the exchange’s own terms; this page covers the sportsbook side of Betfair.

A note on the parts the page does not have

Some brands do not appear in the comparison: Ladbrokes, Paddy Power, William Hill, Coral, Bet365, Betway, BetVictor, Kwiff, Smarkets, SBK, Star Sports, DAZN Bet, Spreadex, QuinnBet, BoyleSports and Kalooki Sportsbook are all licensed under the Gambling Commission’s public register and are all GB-licensed operators. The comparison is not a complete market list. A reader who wants the full shortlist of every GB-licensed online bookmaker should consult the Commission’s public register, which is searchable by business name, trading name, domain or account number.

The Midnite brand holds a Commission licence and shows in-play events, an acca builder, popular accas and price boosts with maximum-stake limits. The brand is not in the operator set the comparison builds on. Kalooki Sportsbook is operated by Kalooki Sports Book Ltd (company number 12938274), licensed by the Gambling Commission under account number 57730, and is a GAMSTOP member.

Betway’s minimum deposit is £10 and free bets carry 1x wagering at odds of 1.75 or higher; QuinnBet’s free bets are valid for 7 days on any market at 1/2 or greater, maximum odds 50/1, with straight accumulators allowed and Trixies, Patents and Yankees not; Spreadex’s new customer offer is £60 in free bets for a £10 fixed-odds bet, with the qualifying bet placed within 28 days of opening the account; William Hill’s Football Acca Boost runs until 30 May 2027 with a maximum boost of £10,000 per online bet; BetVictor offers regular price boosts, acca offers and free bets on selected events, with welcome offers shown in the app; BoyleSports’ UK offer is £20 in free bets when a £10 bet is placed (€30 for a €10 bet for Irish players). These details are useful background to the comparison but do not change the shape of the ten offers the page works through.

Frequently asked questions

What is a free bet, in plain terms?

A free bet is a token the bookmaker credits to a new account after the customer has done what the offer’s terms ask — usually deposit and place a first bet at a stated minimum price. The token is a stake, not cash; it can be used on eligible markets and it expires on a stated date. When the token wins, the bookmaker pays the winnings, not the stake of the free bet. The headline number on the offer is the token’s value, not the expected return.

How does a free bet differ from a sign-up bonus?

A free bet is a one-shot stake that cannot be withdrawn and whose winnings are paid without the stake. A sign-up bonus is a sum credited to a cash balance that has to be turned over a stated number of times on selections at a minimum price, within a deadline, before the bonus and any winnings from it can be withdrawn. The two are governed by different rules: the 19 January 2026 cap on wagering requirements (10x) applies to bonuses. Whether it also applies to free bets whose terms impose their own turnover rule has not been publicly settled.

What does the 10x cap on wagering requirements actually change?

Under the rules in force since 19 January 2026 across Great Britain, a sportsbook bonus can carry a wagering requirement of no more than 10x. A £10 bonus at 50x wagering is no longer permitted; under the cap no more than £100 of qualifying bets is needed. The cap also bans mixed-product promotions — offers that require gambling on two or more product types (a sportsbook bet to unlock casino free spins, for example). It does not cap the money value of the bonus, and it does not change the stake-not-returned rule on free bets.

What is a minimum odds requirement, and why does it matter?

A minimum odds requirement is the shortest price at which a qualifying bet (or a bet contributing to a bonus turnover) can be placed, below which the bet does not count. A 1/2 minimum is permissive; a 1/1 minimum rules out the shorter-priced markets and pushes the customer onto a market whose margin is wider. A 5/1 minimum is a high one. The minimum odds requirement is the part of the offer that determines which markets count and what the offer’s real price is.

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

A free bet is the bookmaker’s stake, not the customer’s. The customer is given the stake to wager; the bookmaker keeps it whether the bet wins or loses, and pays the winnings only. A £10 free bet at 3/1 pays £30, not £40. The mechanism is the same one that makes a free bet’s expected value lower than its headline number: the foregone stake is the cost of the offer, and the longer the price, the smaller the share of the return it takes.

Can a free bet be split into smaller stakes, withdrawn as cash, or used on any market?

A free bet is usually a single stake, not a divisible one. It is usually not withdrawable as cash. It is usually restricted to certain market types — singles and each-way, or multiples, depending on the operator — and is almost never usable on virtual markets. The terms on each operator’s site state the eligible market types and the expiry, and the small print is the part of the offer that determines whether the token is usable at all.

What happens to a free bet if the customer requests self-exclusion?

A customer registered with GAMSTOP cannot deposit, gamble or claim free-bet tokens at any GB-licensed online operator. A customer who registers with GAMSTOP after a free-bet token has been credited usually forfeits the token, and the small print on each operator sets out the rule. The GAMSTOP exclusion stays in place for the period registered (six months, one year, five years, or five years with auto-renewal) plus a further seven years unless the customer asks GAMSTOP to remove it.

Is a free bet from a licensed operator “free money”?

No. A free bet is a marketing token whose value to the customer is the expected value of the wager at the chosen price, minus the operator’s margin and the foregone stake. The headline number on the offer is the token’s value, not the expected return. The expected return over many similar bets is closer to half the headline on a short-priced market, closer to four-fifths on a long-priced one. The qualifying bet that unlocks the token has its own expected cost, which is part of the offer’s real price.

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