What a Betting Sign Up Offer Really Costs

Updated October 2026

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Current as of 27 October 2026, licence claims verified against the Gambling Commission’s public register.

The phrase “best betting sign up offers” does a lot of quiet work. It implies a ranking that the market does not really produce, and it implies a value that only becomes visible once the small print has had its say. A £40 free-bet headline can be a £16 asset or a £28 asset depending on the price you take it at, and the difference is sitting in a single line of the operator’s terms. This page is about that line. It walks through how the rules in force since 19 January 2026 have reshaped welcome packages, what each of the reviewed bookmakers actually offers a new GB customer, and where the arithmetic turns marketing into something more honest.

The framing is cost, because cost is the one question a welcome offer answers reliably. The price on a betting market is the same whether a bonus sits on top of it or not, but the bonus adds a separate set of conditions: a wagering multiple, a minimum odds floor, a deadline, and in some cases a cap on what the free bet can return. Read carelessly, these are footnotes. Read properly, they are the offer.

How UK Betting Sign Up Offers Are Now Regulated

The Gambling Commission has regulated the British betting market under the Gambling Act 2005 since it was passed, with online licensing tightened by the Gambling (Licensing and Advertising) Act 2014 so that any operator taking remote bets from customers in Great Britain needs a Commission licence wherever the company itself is based. A Gibraltar or Maltese registration is not a substitute for that licence; only a Commission-issued remote operating licence authorises a brand to take bets from customers in England, Scotland and Wales. Northern Ireland sits outside the 2005 Act under its own older law, so a “GB-licensed” brand is licensed for Great Britain specifically.

What the Licence Framework Actually Covers

The Commission issues several licence types for remote betting: real events, virtual events, a limited version, pool betting, and the betting-intermediary category that covers exchanges. Each brand on this page holds one of those categories, and a brand licensed only as an intermediary is structurally a betting exchange, not a traditional bookmaker. The Commission’s public register lists every licence holder by business name, trading name, account number or domain; any one of those will surface a brand’s status and the precise categories it is licensed for. A brand’s use of a .com domain rather than .co.uk proves nothing one way or the other: licensed operators use both.

Since 7 May 2019, every customer at a licensed site has to pass name, address and date-of-birth verification before depositing or gambling, and that check applies even when a free bet or bonus is what the customer is after. Anonymous play at a licensed brand does not exist. It is also a mandatory licence condition, in force since 31 March 2020, for every licensed online operator to be part of GAMSTOP, the multi-operator self-exclusion scheme that lets a customer block themselves from every GB-licensed online site in one step.

The 19 January 2026 Promotion Rules

Two changes took effect on 19 January 2026, and they reshape what a sign-up offer can be. The first is a cap on wagering requirements: a bonus may not require the customer to wager it more than ten times before related winnings become withdrawable. A £10 bonus at a 50x multiplier used to need £500 of qualifying bets; under the new rule no more than £100 is required. That ceiling applies to the bonus’s own wagering conditions. It does not retroactively change the price of any market the bonus is used on.

The second change is a ban on mixed-product promotions. An offer that ties betting activity to casino play, bingo, lottery or any other gambling product in one package is no longer permitted. The classic “bet £20 on football to get £10 of free spins” is the kind of offer the rule was written to end. Whether the wagering cap applies to free bets whose terms set no wagering condition at all is not established in the Commission’s published guidance, and operators have taken different positions on it; this is one of the places where the small print, rather than the regulator, decides the cost.

What the Operator Must Tell You

The Licence Conditions and Codes of Practice require an operator to set out the conditions of any promotion in plain English, to state any wagering requirement, the minimum odds for qualifying bets, the expiry of any free bet or bonus credit, and any cap on winnings from promotional funds. That information is published on the operator’s own site and is binding once the customer opts in. None of it is hidden, and reading it before opting in is the move that turns a headline into a real comparison.

Responsible Gambling and the Safety Net Around a Bonus

A sign-up offer is a marketing contract, and like every other contract in this market it sits inside a wider set of player-protection rules. The 10x wagering cap is one of those rules. GAMSTOP is another. The financial-vulnerability check that took effect on 30 August 2024 and began operating from 28 February 2025 is a third, and it changes what happens when a customer crosses a £150 net deposit threshold over a rolling 30 days: the operator runs a public-record search for county court judgments, bankruptcies and similar markers. It is not a credit-reference check and it is not an income check; it is a check on whether the customer already has unmanageable debt.

Spending Controls at a Licensed Brand

Deposit limits are a customer-set tool rather than a state-set ceiling. An operator must offer the ability to fix a gross deposit limit on a fixed time frame, but no statute sets a default amount: a customer who wants to cap their weekly spend can, and a customer who does not want to cap it is not capped by the regulator. The same applies to stake limits and loss limits, which DAZN Bet and other operators publish as “safer gambling” tools. Staged affordability measures were announced by the Commission in July 2026 but without a start date; the live position is “announced, staged, no start date”, and a customer who reads otherwise is reading ahead of the rule.

Help That Is Independent of the Operator

GamCare runs the National Gambling Helpline, GambleAware funds treatment and research, the NHS runs gambling clinics, and Gamblers Anonymous runs peer-support meetings. None of these is the operator, and the fact that they exist is one reason the licensed market is set up the way it is. A customer who wants to talk about their betting before they sign up, or after, has somewhere to go that is not selling them a bonus.

What an Unlicensed Brand Cannot Offer

A brand without a Commission licence cannot offer GAMSTOP coverage, cannot route a complaint to the Commission’s alternative-dispute-resolution route, and is not bound by the 10x bonus cap or the £150 vulnerability check. If the brand withholds funds there is no British consumer redress. The Commission’s enforcement is disruption rather than blocking: cease-and-desist notices, search-engine referrals, work with registrars, hosts and payment providers, and court-order DNS blocking powers that are either in place or imminent. That is the practical state of the unlicensed market in Great Britain, and the honest framing of it is the loss of those protections rather than a flat statement of legality.

How Betting Sign Up Offers and Free Bets Actually Work

The word “free” is the most expensive word in any welcome offer. A free bet is a credit that lets the customer place a wager without staking their own cash on that particular bet. The stake itself is usually not returned with the winnings: a £10 free bet at odds of 3.0 returns £20 in profit, not £30. The bookmaker keeps the credit as its cost of running the promotion, and the customer keeps whatever the odds imply above the free-bet amount. That structure is standard across the GB market, and it is the reason a free bet’s real worth depends on the price it is taken at.

Wagering Requirements in Plain Terms

A wagering requirement is the turnover the customer has to put through a bonus before winnings tied to it become withdrawable cash. Under the 19 January 2026 cap, that turnover cannot exceed ten times the bonus base. The base is whatever the operator’s terms name: the bonus amount alone, or the bonus plus the deposit, and the page should treat each offer’s base as its own terms describe it. If the base is £10 and the multiple is 10x, the customer must place £100 of qualifying bets before the bonus-derived balance becomes withdrawable. A multiple of 5x on the same base needs £50.

The bets that count toward that turnover are usually constrained by a minimum-odds floor. Coral’s offer qualifies with a bet at minimum odds of 2.0 (1/1), which is the break-even point in decimal terms. Anything shorter than 2.0 does not qualify. Other operators set the floor at 1.5 (1/2) or 1.6, and the floor is one of the numbers a reader should compare across brands, because a higher floor makes the same turnover harder to clear.

Expiry and Caps on Winnings

Every free bet and bonus credit carries one. Coral’s £40 in free bets expires seven days after issue; Unibet’s identical headline offer sets the same seven-day window; BoyleSports’ £20 in free bets runs on its own timer. The shorter the expiry, the more aggressive the offer: a £10 free bet that must be used in 48 hours has to be staked at a price the customer has already chosen, not a price they will find. Some offers also cap the winnings from a free bet: an operator that pays out up to £500 in free-bet winnings is capping the upside regardless of the price the bet was taken at. The headline rarely prints this number, but the small print always does.

Minimum Deposits and Payment Methods

Most welcome offers require a first deposit of at least £5 or £10 and a first bet at or above the minimum odds floor. Coral requires the qualifying deposit and bet to be made with a debit card or instant bank transfer, and that is the rule rather than the exception. Credit cards have been banned for gambling in Great Britain since 14 April 2020, including credit-card-funded payments through an e-wallet, so a customer funding the account with a credit card-funded PayPal balance is not qualifying the offer. Payment eligibility depends on individual brand policies; LiveScore Bet, for example, accepts debit cards, Apple Pay, PayPal, Pay by Bank and Revolut Pay.

What “Risk-Free” Really Means

The word “risk-free” is a marketing label, and in the GB market it almost always means a refund in free-bet credit rather than cash. VBet’s offer returns a £10 free bet if the first £10 stake loses, which is the cleanest version of the structure: a stake that loses is followed by a credit that can be used on another bet, and that credit carries the usual free-bet conditions (no returned stake, an expiry, sometimes a cap). The customer’s exposure is the first stake; the “risk-free” tag refers to that exposure, not to the absence of strings on the refund. Read the tag as a free bet with a precondition rather than as a no-strings credit.

The Reviewed Bookmakers: A Cost-First Comparison

The brands below are the ten operators this page reviews. Each holds a Gambling Commission remote licence and is named on the Commission’s public register. They are not ranked: a place in this list is not a recommendation, and the position reflects the order the spec assigns rather than a judgment of quality. The comparison that follows is structured around the welcome package’s headline, the qualifying-bet conditions, the bonus base, the wagering requirement, the expiry and any cap on free-bet winnings. All conditions are presented as they appear in the brand’s documentation.

Reading the Conditions Honestly

The £40-for-£20 headline is the most common shape on this list, and Coral and Unibet run it on the same terms: a £20 deposit and bet at minimum odds of 2.0 (1/1), £40 in free bets within seven days, seven-day expiry. The economics of that offer are straightforward. A £20 stake at 2.0 returns £40 (the £20 stake plus £20 profit) on a win; if it loses, the £20 is gone but the £40 in free bets arrives. The free bets, used at the same minimum-odds floor, can return up to £80 in profit across the package if all four £10 credits land. That ceiling is the offer’s gross upside before any of the £10 credits expire unused.

Smarkets’ SBK offer is a different shape. The headline is £60 in free bets for a £20 first deposit and a £20 bet at minimum odds of 3.0. The minimum-odds floor is meaningfully higher: 3.0 is a price where the implied probability is one in three, and the customer’s qualifying bet has to clear that bar. A £20 stake at 3.0 returns £60 (£20 stake plus £40 profit) on a win. If it loses, the £60 in free bets is credited within 48 hours, and each free bet carries its own expiry. The headline is bigger than Coral’s £40; the qualifying bet is harder to place.

VBet’s offer is structurally the smallest on this page: a £10 stake that loses produces a £10 free bet. The free bet’s stake is not returned on a win, so a £10 free bet at 3.0 returns £20 in profit, not £30. The package ceiling is £20 in profit from a £20 total outlay if the qualifying bet loses. That is a tighter offer than Coral’s or Unibet’s, and it is the right one for a customer who wants a small, clean refund rather than a larger headline.

BetGoodwin’s £15-in-free-bets offer splits the credit into three £5 pieces across three bet types: a sports single, an accumulator, and a “Sub-Cover” bet. The split means the customer has to use three bets to clear the package, which raises the practical cost of leaving any of the credits to expire. The headline is small, and the structure makes the small headline harder to clear in full.

Kwiff’s welcome offer sits inside its Supercharge feature, where a bet’s odds can be boosted instantly from 2/1 to 20/1 or any multiple in between. The offer’s headline varies by current promotion; the structural feature is that the customer can choose to boost the price of a bet rather than accept a fixed free-bet credit. The economic value of a Supercharge depends entirely on the price the customer takes it at and the market they apply it to, and it is a different shape from a free-bet credit.

LiveScore Bet, Betmaster, NetBet and Geoff Banks

These four are listed without a headline offer, and the small-print conditions apply to each of them as the operator publishes them in the account-opening flow or the app. The reader’s move is to look at the offer terms on the operator’s own site before opting in, because the package conditions are what bind once the opt-in happens. LiveScore Bet’s payment set is broader than most: debit cards, Apple Pay, PayPal, Pay by Bank (Open Banking) and Revolut Pay. NetBet runs Daily Boosts, Profit Boosts and a Bet Builder with instant dynamic odds. Geoff Banks publishes ante-post and live in-play prices through its app. Betmaster is a smaller name in this list with a Commission account of its own. None of these four is structurally a weaker brand for the absence of a single headline; the comparison is in the conditions rather than the absence of one.

Offers Outside the Welcome Package

Several reviewed brands run ongoing promotions that the welcome headline does not capture. Coral’s daily Reward Shaker, Odds Booster on hundreds of markets, and Football Super Series jackpot sit alongside the welcome offer rather than inside it. William Hill’s Football Acca Boost pays a cash boost from 3 per cent on a double to 200 per cent on twenty or more legs, capped at £10,000 per online bet, and runs until 30 May 2027. BoyleSports runs Acca Insurance (a stake-refund free bet if one leg lets down a qualifying acca, max £20 refund, 7-day expiry) and Acca Loyalty (a free bet for settled accas with five or more legs and combined odds of 3/1 or bigger). Spreadex, which is a financial-spread plus fixed-odds brand, runs Acca Boosts from 5 per cent to 100 per cent on football accumulators of three or more legs. None of these is a sign-up offer; each one is part of the brand’s ongoing cost of business to the customer.

Calculating What a Sign Up Offer Costs to Clear

The calculation is a bonus-turnover exercise, where the inputs are the offer terms and the 10x wagering cap in force since 19 January 2026. The exercise is to estimate how much betting a welcome bonus actually takes, and what that betting costs the customer on average.

The Inputs

The Coral offer is the worked example: a £20 qualifying bet at minimum odds of 2.0 produces £40 in free bets, credited within seven days, each free bet expiring seven days after issue. The bonus base is the £40 of free bets; under the 19 January 2026 cap, the wagering multiple cannot exceed 10x. If Coral applied the cap to its free-bet credit, the turnover required would be £40 × 10 = £400 of qualifying bets at minimum odds of 2.0 or longer before any winnings become withdrawable. Whether the cap applies to free bets whose terms set no wagering condition at all is not established in the Commission’s published guidance, so the calculation has to state both possibilities rather than pick one.

If the cap applies: required turnover = £40 × 10 = £400. At a £5 stake per qualifying bet and minimum odds of 2.0, that is 80 bets. If the cap does not apply and Coral’s terms treat the free-bet credit as having no wagering requirement, the calculation collapses to zero qualifying turnover: the free bet is used once at the customer’s chosen price, the winnings are withdrawable on settlement, and the wagering question is moot.

The Cost

The expected cost depends on which path applies. Where there is no wagering requirement, the only cost is the stake of the qualifying bet, which is £20 staked at minimum odds of 2.0 and either wins (returning £40, ending the package) or loses (triggering the £40 in free bets). Where the cap applies, the customer has to place £400 of additional bets at minimum odds of 2.0, and the cost of that turnover is the margin the bookmaker holds on the markets they bet on. The Commission publishes no average market margin, and operators do not publish theirs; a rough band is 3 per cent to 7 per cent of turnover across mainstream football and horse racing markets. On £400 of turnover that is a £12 to £28 expected cost before the bonus-derived winnings are realised.

The honest answer is a band: clearing the bonus, if the cap applies, costs the customer somewhere between £12 and £28 on average, depending on the margin of the markets they bet on. If the cap does not apply, the only cost is the £20 qualifying stake, and the package’s expected value is the free-bet credit’s fair worth at the price it is taken.

Why a Band and Not a Number

A single figure would imply a precision the inputs do not support. The wagering-cap interpretation is unsettled, the per-bet stake is the customer’s choice within the operator’s limits, the markets chosen vary in margin, and the customer’s hit rate on minimum-odds bets is not a constant. The honest framing of the calculation is that the cost is somewhere in that band, and that the spread is itself part of the comparison: a customer who wants to know exactly what an offer costs them has to read the operator’s terms for the wagering question, the qualifying-bet floor and the expiry.

How the 10x Wagering Cap Reshapes the Cost

The 19 January 2026 cap is the single biggest change to the GB sign-up offer market in years, and it has reshaped what a headline means. Before the cap, a £10 bonus at 50x wagering required £500 of qualifying turnover; after the cap, no more than £100. That is a five-fold reduction in the allowed wagering load, and it makes small bonuses much cheaper to clear than they used to be. A £50 bonus at 10x needs £500 of turnover; the same bonus at 5x needed £250; under the old rules at 20x it would have been £1,000.

What the Cap Does Not Do

The cap applies to wagering requirements on bonuses. It does not cap the headline value of a free-bet credit, the minimum-odds floor on a qualifying bet, the expiry of a free bet, or the cap on free-bet winnings. Coral’s £40 in free bets is the same headline under the new rules as under the old, and so is Unibet’s. What the cap changes is the wagering load on the bonus element of the package; the headline itself is unchanged.

The cap also does not regulate the cost of using the free bet once it is in the customer’s account. A £10 free bet at odds of 5.0 returns £40 in profit (the stake is not returned); the same free bet at odds of 2.0 returns £10 in profit. The customer’s choice of price determines how much of the bonus’s headline value they actually realise, and the higher the price, the higher the conversion. A free bet’s value is at its largest on a price the customer would not otherwise have taken; the downside is that longer prices win less often, and the headline value of the credit is only realised if the bet wins.

Mixed-Product Promotions

The second change of 19 January 2026 is a ban on offers that mix product types. A bonus tied to both sports betting and casino play, or to sports betting and bingo, or to any combination across the licensed product categories, is no longer permitted. The classic “bet on football to get free casino spins” structure has been removed from the GB market. The practical consequence for the customer is that a sports welcome offer is now a sports welcome offer, and any casino, bingo or lottery element has to be a separate promotion with its own opt-in.

Comparing the Welcome Offers on Cost Terms

The comparison below reads the ten reviewed brands, structured around the headline, the qualifying-bet conditions, the bonus structure and the headline’s gross upside if all free bets land at a long price. The columns are the matters a customer cares about when they are deciding which offer to claim, and the missing values are the cells where no figure is available rather than the figure being zero.

The £40-for-£20 shape (Coral, Unibet ) is the highest headline on the list, and the qualifying bet’s 2.0 minimum-odds floor is the same on both. The free bets’ seven-day expiry is the same on both, and both require a debit-card or instant-bank-transfer qualifying deposit. The two brands are running the same offer under different licences; the comparison between them is on the rest of the package rather than the welcome headline.

The £60-in-free-bets shape (Smarkets’ SBK ) has a higher headline and a stricter qualifying bet. The 3.0 minimum-odds floor is a real filter: a customer has to find a price at one-in-three or longer to qualify, and that excludes the shortest football favourites and the shortest horse-racing favourites. The 48-hour credit window is faster than Coral’s seven-day credit, but the headline is larger to compensate.

The £15-in-free-bets shape (BetGoodwin ) has a smaller headline and a structured split across three bet types. The customer’s job is to clear three credits at the right bet type, and the package ceiling is meaningful only if all three credits are used.

The £10-free-bet-on-loss shape (VBet ) has the smallest headline and the simplest structure. The qualifying bet is £10 at any eligible price; if it loses, the £10 free bet arrives. The package’s value is in the refund’s structure, not in the size of the headline.

The remaining brands (LiveScore Bet, Betmaster, Geoff Banks, bet365, Kwiff, NetBet) have welcome packages in their respective account-opening flows, and the headline varies by current promotion. bet365’s package sits alongside its Bet Builder+, Super Boosts, Winnings Boosts and daily Bet Boosts, and the comparison is across the package rather than any single headline. Kwiff’s Supercharge feature is a different promotional shape entirely: an odds boost on a chosen bet, applied at the customer’s discretion.

The Best Odds and the Cost of the Bookmaker’s Margin

Every price on a betting market carries a margin, which is the share of every pound staked that the bookmaker expects to keep across all outcomes of the market. The margin sits inside the odds, and it is the same whether a bonus sits on top of the bet or not. A 5 per cent margin means the bookmaker keeps 5p of every £1 staked across the market over time, and the customer wins 95p for every £1 staked. A 7 per cent margin means the bookmaker keeps 7p.

Why the Margin Matters Here

A welcome bonus does not change the margin on the markets the bonus is used on. A free bet at minimum odds of 2.0 carries the same margin as a cash bet at the same price, and the customer’s value from the credit is the same percentage of turnover as a cash customer’s. The arithmetic of clearing a bonus, where the 10x cap forces a certain volume of turnover, runs into the margin directly: the more turnover the bonus requires, the more of the bonus’s headline value is consumed by the margin on that turnover.

The £40 Coral headline, with the cap applied to the bonus base of £40, requires £400 of qualifying turnover at minimum odds of 2.0. At a 5 per cent margin that is £20 consumed by the bookmaker; at a 7 per cent margin it is £28. The remaining value of the bonus to the customer is the headline minus that cost, minus any qualifying-bet losses. A 5 per cent margin on £400 of qualifying turnover is the difference between an offer that costs £20 to clear and an offer that costs £28, and the customer cannot choose which margin they are betting into: it is whatever the operator’s markets carry.

Best Odds Guaranteed and the BOG Carve-Out

Best Odds Guaranteed (BOG) is a horse-racing-specific promise that if the starting price is greater than the price the customer took, the bet is settled at the starting price. Unibet runs BOG on horse racing, and so do most of the larger GB brands. BOG is not a welcome-offer feature; it is a market-level promise that affects the customer’s return on horse-racing bets settled at SP. The relevance to a welcome bonus is that any qualifying bet or free bet placed on horse racing inside a BOG bookmaker’s site carries the BOG protection, and a customer’s free bet at a price that drifts to a longer SP is settled at the longer price.

Special Features: Bet Builders, Cash Out, Live Streaming

Several reviewed brands run features that change the cost of using a welcome offer. A Bet Builder combines markets from one event into a single bet; bet365’s Bet Builder+ extends that to combining Bet Builders across games. Kwiff runs Bet Builder and Bet Builder+. Unibet runs Bet Builder. NetBet runs a Bet Builder with instant dynamic pricing. The customer-facing feature is that the price on a Bet Builder bet is built up from the legs in real time, and the margin on a Bet Builder market is typically higher than on a single market because the legs compound.

Cash Out

Cash Out settles a bet before the event has finished, at a price the bookmaker sets in real time. Unibet offers Cash Out on thousands of markets; DAZN Bet offers Cash Out on selected events with availability not guaranteed. The cost to the customer is that the Cash Out price is the bookmaker’s price, which carries the same margin as the underlying market, and the customer’s expected value on a Cash Out is therefore below the expected value on letting the bet run. The convenience has a price, and that price is the difference between the Cash Out quote and the fair value of the position at that moment.

Live Streaming and In-Play

Unibet TV streams thousands of live events; SBK streams live horse racing; Star Sports runs in-play on football, horse racing, golf and US sports. Live streaming is a feature that sits alongside a betting account rather than inside it, and its cost to the customer is the qualifying bet or the funded balance the bookmaker requires to access the stream. In-play betting is the same market as pre-match, with a margin that may be slightly wider because the bookmaker has less time to balance the book; the customer pays that wider margin on every in-play bet.

Acca Insurance and Loyalty

BoyleSports Acca Insurance refunds a stake as a free bet if one leg of a qualifying acca lets the bet down. The minimum stake is £5, the minimum odds are 1/2 (1.5), the maximum refund is £20 as a free bet expiring in seven days. The cost of the insurance to the bookmaker is the expected refund rate times £20, which is priced into the offer’s headline economics. Acca Loyalty pays a free bet for settled accas with five or more legs and combined odds of 3/1 or bigger. Both features are products in their own right, and the customer who opts into them is paying for the protection in the form of the offer’s underlying economics.

Spread Betting and the FCA Route

Spreadex runs both fixed-odds betting (under a Gambling Commission licence) and financial spread betting (under Financial Conduct Authority regulation). Spread betting is a different product from fixed-odds betting: the customer does not buy a price, they take a position on whether the outcome will be higher or lower than the bookmaker’s quote, and the stake is a per-unit margin that multiplies by the difference between the quote and the outcome. Spread-betting losses can exceed the customer’s deposit, because the per-unit stake is leveraged across the full range of the outcome.

What That Means for a Welcome Offer

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 account opening. The free bets are usable across both fixed-odds and spread betting. A customer who takes the free-bet credit and applies it to a spread bet is taking a leveraged position, and the customer-facing risk on a spread bet is unbounded above. The free bet’s headline economics do not change, but the risk profile of the bet the free bet is placed on does.

The minimum-odds floor for the qualifying fixed-odds bet is 1/2 (1.5). Spreadex’s Acca Boosts run on football accumulators of three or more selections, paying a cash boost from 5 per cent on three legs up to 100 per cent on the longest tier. None of these is a sign-up offer; each is a feature of the brand’s fixed-odds product.

What to Read Before Opting In

A welcome offer is a marketing contract, and the contract is the operator’s own terms. The mechanics to read before opting in are six: the qualifying deposit and bet, the minimum-odds floor, the bonus base, the wagering multiple, the expiry and the cap on free-bet winnings. Each is a line in the small print, and each one moves the offer’s economics.

Qualifying Deposit and Bet

The minimum deposit is usually £5 or £10, and the minimum first bet is usually £5 or £10 at or above the minimum-odds floor. Coral and Unibet both require £20 at minimum odds of 2.0; Sky Bet requires at least £5 deposit and at least 5p at odds of 1/1; BetGoodwin requires a £10 qualifying bet. The bet has to settle before the free bet is credited, and a bet that is voided does not qualify. Cashed-out bets typically do not qualify.

Minimum Odds

The minimum-odds floor is the price the qualifying bet has to clear. 2.0 (1/1) is the break-even price in decimal terms; 1.5 (1/2) is a shorter price with a higher win rate but a smaller return. The floor is one of the few numbers that varies meaningfully across brands on the same headline, and a higher floor makes the qualifying bet harder to place at value.

Bonus Base

The bonus base is what the wagering multiple is applied to. If the base is the bonus alone (£40 of free bets at 10x = £400 turnover), the customer has to clear £400. If the base is bonus plus deposit (£40 + £20 deposit at 10x = £600 turnover), the customer has to clear £600. The base is defined by the bookmaker’s own policy, so checking the bonus conditions before you start is essential.

Wagering Multiple

Under the 19 January 2026 cap, the multiple cannot exceed 10x. The brand’s actual multiple is published in its terms, and the lower the multiple, the cheaper the bonus is to clear. A 1x multiple (turnover equal to the bonus) is the cheapest structure; a 10x multiple is the most expensive structure the cap allows.

Expiry

Free bets and bonus credits expire. Coral’s free bets expire seven days after issue; Unibet’s expire seven days after issue; BoyleSports’ free bets expire after seven days; QuinnBet’s free bets are valid for seven days from credit. A short expiry forces the customer to use the credit at a price they may not have chosen; a long expiry gives them time to find the right market.

Cap on Winnings

Some operators cap the amount a customer can win from a free bet. A £10 free bet at 100.0 with a £500 cap returns £500, not £1,000. The cap is published in the offer terms, and it is one of the numbers that determines whether the headline’s full value is realisable.

Choosing Among the Reviewed Brands

The choice between reviewed brands is not about which headline is largest; it is about which offer’s structure suits the customer’s own betting pattern. A customer who bets on football accumulators will read Kwiff’s Supercharge and BoyleSports’ Acca Insurance differently from a customer who bets singles on horse racing. A customer who wants a clean refund reads VBet’s structure differently from a customer who wants the largest headline.

Match the Offer to the Customer

A customer with a £20 budget and a single interest in football will find Coral’s £40-for-£20 a clean offer: the qualifying bet is one bet, the free bets can all be used on football, and the expiry is long enough to find a price. A customer with a smaller budget will find BetGoodwin’s £15-in-three-parts a tighter fit, with three small bets to clear rather than one large one. A customer who prefers spread betting’s leverage will read Spreadex’s offer as a route into a product they would otherwise have to fund directly.

Match the Bonus to the Market

A free bet’s value depends on the price it is taken at. A £10 free bet at 5.0 returns £40 in profit; the same free bet at 2.0 returns £10 in profit. The customer’s job is to take the free bet at a price that gives them the most value for their preferred market, and the offer’s headline does not change that calculation. A free bet’s expected value is its amount times the odds-minus-one divided by the odds, times the payout share of the market. A £10 free bet at 5.0 on a market with a 95 per cent payout share is worth £10 × 4 ÷ 5 × 0.95 = £7.60 in expected profit. The same free bet at 2.0 on the same market is worth £10 × 1 ÷ 2 × 0.95 = £4.75. The headline is the same; the realised value depends on the price.

Match the Bonus to the Time Available

A free bet that expires in seven days has to be used inside a week. A customer who places bets once a fortnight will leave credits to expire; a customer who bets daily will clear them. The expiry is a constraint, and the constraint has a cost: an expired free bet is the credit’s full headline value written off. A customer with a busy betting diary will read Coral’s seven-day expiry as a feature; a customer who bets on the Grand National once a year will read it as a constraint that costs them the headline.

Common Mistakes When Comparing Sign Up Offers

Reading the Headline as the Value

The £40 headline is the value only if the qualifying bet wins and all four free bets are used at a price that realises the headline’s implied value. A customer who bets £20 at minimum odds of 2.0 and the bet loses has triggered the £40 in free bets, but the headline’s “value” is now the four £10 credits’ expected realisable worth, which is a different number.

Ignoring the Minimum Odds Floor

A customer who backs a 1-4 favourite to qualify a 2.0-minimum offer will find that the bet does not count, and the qualifying stake is on a bet that did not trigger the bonus. The floor is the number the qualifying bet has to be at or above, and a bet below the floor does not qualify regardless of how the bet was placed.

Missing the Wagering Requirement

A bonus that comes with a wagering requirement cannot be withdrawn until the turnover is met. A customer who reads “£40 bonus” and assumes the £40 is withdrawable on receipt has not read the terms, and the £40 is in bonus credit rather than cash until the turnover clears.

Confusing the Stake Return

A free bet’s stake is not returned with the winnings. A £10 free bet at 3.0 returns £20 in profit, not £30. A customer who expects £30 will see the difference on settlement.

Assuming the Same Brand Is the Same Offer

Coral and Unibet run the same £40-for-£20 headline under different licences, and a customer comparing them has to compare the rest of the package rather than the headline. Two brands running the same headline are not running the same offer; the small print, the expiry, the qualifying-bet method and the wagering treatment can all differ.

What a Bonus Costs in Practice

The honest framing of a welcome bonus is that it is a marketing budget the operator spends to acquire a customer, and the customer captures some of that budget by clearing the offer’s conditions. The operator’s spend is the headline (£40 of free bets, in Coral’s case); the customer’s capture is the expected realisable value of the credit minus the cost of clearing the conditions; the gap between the two is the operator’s marketing efficiency and the customer’s transaction cost.

The cost of clearing the conditions is the qualifying bet that may or may not win, the turnover required if a wagering condition applies, and the margin on the markets the turnover is bet into. The £40 Coral headline, cleared under the 10x cap with £400 of turnover at a 5 per cent margin, costs the customer £20 in margin before any of the free bet’s profit is realised. If the qualifying bet loses (which is the trigger for the free bets in any case), the customer’s pre-bonus spend is £20; the post-bonus spend is £20 plus the £20 margin cost, plus the value of any free bets that expire unused. The total cost depends on the customer’s discipline in using the credits before they expire, and the value depends on the prices they take the credits at.

A bonus is not free money. It is a marketing offer with a price the customer pays in time, in qualifying bets, and in the margin on the turnover the offer forces. Reading the offer as if it were free money is the most common way customers misjudge the cost, and the 19 January 2026 cap is the regulator’s response to the worst versions of that misjudgment.

Frequently Asked Questions

How do I sign up for a betting site in Great Britain?

Pick a brand from this page, click through to its UK site, and complete the account-opening flow with a debit card or bank-based payment. Since 7 May 2019 every licensed site has to verify your name, address and date of birth before you can deposit or gamble, so have those to hand. The welcome offer, if you want it, has to be opted into before the first qualifying bet; opting in after the bet does not qualify the offer.

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

Ten times the bonus base. The cap took effect on 19 January 2026 under the Gambling Commission’s LCCP, and it applies to bonuses on licensed GB sites. A £10 bonus at 50x used to need £500 of qualifying bets; under the cap no more than £100 is required. The cap covers bonuses with a wagering condition; free bets with no wagering condition sit outside the cap.

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

The minimum odds are the shortest price the qualifying bet can be at and still count toward the offer; Coral and Unibet set this at 2.0 (1/1). The wagering requirement is the turnover the bonus has to be played through before related winnings become withdrawable cash; the maximum under the 19 January 2026 rules is 10x the bonus base. Both numbers are published in the operator’s own terms.

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

A free bet is a credit that lets the customer place a wager without staking their own cash on that bet. The stake is the operator’s cost of running the promotion, and it is not returned on settlement; only the profit is paid out. A £10 free bet at odds of 3.0 returns £20 in profit, not £30.

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

No. The 19 January 2026 rules banned mixed-product promotions, which are offers requiring gambling on two or more product types such as betting, casino, bingo and lottery. A sports welcome offer is now a sports welcome offer, and any casino, bingo or lottery element has to be a separate promotion with its own opt-in.

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

Use the Commission’s public register, searchable by business name, trading name, account number or domain. Each reviewed brand on this page is named on the register against a remote betting licence for Great Britain. The licence number is also published on the operator’s own UK site, often in the footer or in the terms and conditions.

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