What a betting app sign-up bonus really costs in Great Britain this year

Updated October 2026
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Free £40 in bets, “risk-free” first wagers, 100% match deals — the marketing plant a number on a screen and call it generosity. The cost sits elsewhere: in minimum odds that disqualify the markets most readers actually bet on, in seven-day expiry windows, in a stake that is not paid back when a free bet wins. This page walks through those conditions on the offerings of ten Gambling Commission-licensed apps, names what each one requires, and shows what the headline price converts to in real wagering.

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.

Current as of October 30, 2026, against the public register of the Gambling Commission and each operator’s own terms. The arithmetic of the headline calculation is checked against the 10x wagering cap in force since 19 January 2026 and the offer terms each bookmaker publishes.

The honest lead: a wagering cap that came in on 19 January 2026

The Gambling Commission’s promotion rules, in force since 19 January 2026, put a ceiling on what an offer can ask of a customer before its free bets, bonuses or credits can be withdrawn. Two changes matter:

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.

What is not set by the cap: the value of any one bonus, the minimum odds on a qualifying bet, the expiry on free bets, or whether the stake of a free bet is returned with the winnings. Those live in each operator’s terms and they vary widely. Whether the 10x ceiling applies to free bets that carry no wagering condition is, at the time of writing, not settled by published guidance.

The result for the punter is simpler than it sounds. The cap means the *effort* needed to clear a bonus has shrunk — a £10 bonus at 50x needed £500 of bets; under 10x the same £10 is cleared at £100 of bets, on the operator’s own minimum odds and own expiry. The cap does not change *what* an offer gives back, and it does not hide the fact that the headline number on the screen is the size of a coupon, not the size of a payout.

What “free bet” really means in the terms

The mechanic that catches most first-timers is the free bet. The distinction a reader has to hold in their head is small but worth the sentence:

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.

That difference is why free bets feel like the wrong shape of offer for a punt of, say, an outsider at 100/1 — the operator collects no stake on a token that loses, and the punter’s risk is zero. The £40 of profit is real money regardless of the headline number. The wrong place to use a free bet is a short-odds favourite, where the stake loss is the main cost and the profit is small.

The hard part is the small print. Free bets routinely carry:

The combined shape of those terms decides what a free bet is actually worth. The headline £40 across ten apps does not mean ten identical offers — it means ten different deals, each with its own minimum odds, its own expiry, its own market list on which the token can be placed. The table further down lays them side by side; the prose around it lays out what the row of figures costs a reader in real time and real choice.

How to read a “welcome offer”

The standard GB welcome offer follows a recognisable pattern: deposit, place a qualifying bet at or above a stated minimum odds, receive free bets that expire within about a week. The terms underneath look uniform and read in the same order, which is the reason the marketing lands — the differences are small. They are also where the cost lives.

Take a typical “bet £20, get £40 in free bets” at minimum odds of 2.0 (1/1):

The qualifying bet is paid at the customer’s stake and is paid back normally — it is not the free bet. The operator’s bet is on the punter’s *retention* through the seven-day expiry, the minimum odds, the eligible markets. Almost no one fails the qualifying bet; many fail the expiry. The arithmetic for any reader is the cost of the qualifying bet minus any profit if it wins, plus the expected value of the free bet — which the rest of this page works through.

Where offers depart from the standard, two variants recur on the apps reviewed here:

Each operator’s terms carry the exact shape. The audit of those terms is what follows next, by brand.

The 10x cap, in plain arithmetic

The page’s own calculation. The headline offer is the £40 free bet from Coral/Unibet (“bet £20 at minimum odds of 2.0, receive £40 in free bets”) and the matched-free-bet example from Betboro (“up to £25 on a qualifying wager of £5–£25 at three selections of 1.60 or larger”). Both clear on free-bet turnover. The more revealing exercise is a cash bonus case — where the 10x cap applies directly.

A notional £10 cash bonus at the 5x to 50x range that existed before the cap would have required £50 to £500 of qualifying bets at the operator’s minimum odds. Under the 10x ceiling in force since 19 January 2026, the same £10 bonus cannot require more than £100 of qualifying bets. At a typical minimum odds of 1.5 (1/2), a £1 stake per qualifying bet clears the bonus in 100 single bets — a heavy lift for a £10 bonus. The cliff between the old regime and the new one is the size of the wagering budget a bonus requires, not the size of the bonus itself.

A second band the cap does not erase: the profit a reader can expect. The bonus base flows into the operator’s margin on every bet the punter places. A bookmaker’s overround sits inside every price; on a market with a 5% margin, the punter loses 5p of every £1 staked, on average, across the qualifying turnover. At £100 of qualifying bets the expected cost is £5 against the £10 bonus — a positive expected value at the bonus alone, before considering time, the qualifying bet and the expiry on the free-bet tokens that may follow. The conclusion is a band, not a figure: at the operator’s stated minimum odds and the cap’s £100 ceiling, clearing a £10 cash bonus costs the punter, on average, somewhere between £3 and £6 in margin — depending on which market the qualifying bets are placed on, since market margins vary widely across sports and bet types.

That is the answer the headline calculation returns, with the proviso that the calculation assumes only the bonus amount is wagered and no qualifying-bet loss is added to the cost. Where the operator’s terms add a deposit-match base (the bonus plus the deposit, multiplied), the qualifying turnover doubles — and the same 5% margin produces a cost closer to £10 on the £20 base, against the £10 bonus. The direction is the same: the cap lowers the cost, it does not eliminate it.

The shape of the qualifying bet

The minimum odds on a qualifying bet are the most-read clause and the least-understood one. Minimum odds of 2.0 (1/1) disqualify every favourite shorter than evens; minimum odds of 1.5 (1/2) disqualify heavy favourites below that line. The market a punter would have wanted — the one they opened the account for — is sometimes precisely the market the minimum odds rule cuts out. Two scenarios recur:

Both are real, both are in the terms, and both have cost — the first the cost of a £20 stake that may or may not win, the second the cost of abandoning the bet the reader intended. The marketing assumes the first scenario, because that is the scenario where the welcome offer fits the bettor. Where a punter’s interest sits below the qualifying line, the offer either does not apply or applies only to a different bet.

Reviewing ten Gambling Commission-licensed apps

The ten bookmakers below are each drawn from the Gambling Commission’s public register against a remote general betting standard licence (with one betting intermediary licence at Matchbook). Names are written in their published form; licence and operating company are stated from the register. Where an offer is cited, the figures are the operator’s own terms. Each write-up closes with the page’s verdict on what the brand costs the reader — the section’s own judgment, written in this site’s voice.

The audit of the offer terms turns on five questions: how the bonus is paid (cash bonus, free bet, or matched free bet); what the qualifying bet requires (stake, minimum odds); how long the offer lasts (expiry on free bets, expiry on the welcome window); how the offer is restricted (eligible markets, payment methods, single or each-way); and what the operator adds beyond the welcome offer (accas, boosts, ongoing promotions).

Betway: a four-token welcome and a wide market reach

Betway’s welcome offer for new UK and Ireland customers is £40 in free bet tokens (four £10 credits) credited on settlement of a first bet of at least £10 at minimum odds of 2.0, with a 7-day expiry and debit card deposits only. The shape is the standard “bet £10, get £40” stretched across four tokens. The credit structure means the punter has four weeks of one-week expiries to use them — a useful runway compared with single-token offers that expire together. The debit-card-only condition is the standard GB restriction; an instant bank transfer is the practical alternative for anyone whose bank blocks gambling transactions on the card.

The market list underneath is broad. Football, horse racing, tennis, golf, US sports and esports are all priced; in-play markets on the major football competitions are deep; the Bet Builder is functional but not the leading example in the comparison. The debit card condition is universal to GB welcome offers; what Betway adds is the four-token structure, which spreads the qualifying bet’s effect across four expiries and gives a reader who is unsure where to place each token time to find markets at the right minimum odds.

Verdict. The welcome offer’s £40 in four tokens is mid-pack in headline value; the four-token structure is a real improvement over single-token offers of the same headline; the rest of the term sheet is plain. A reader who places a £10 first bet at 2.0 on a market they already wanted to back has a credit on the way that expires one token at a time — and that is the shape a welcome offer should take.

Fitzdares: same-day Visa withdrawals, with a smaller welcome offer

Fitzdares accepts Apple Pay, Mastercard and Visa, with Visa withdrawals usually settled the same day and Mastercard withdrawals taking up to 48 hours. There is no large welcome offer in the terms research carries; the value sits in the withdrawal speed and the customer mix on the app. A reader who has been frustrated by three-day e-wallet windows at larger brands will read same-day Visa withdrawals as a substantial upgrade — and the £40 of headline value missing from this review’s terms is part of why Fitzdares sits where it does in this comparison.

The bonus question on Fitzdares is what is *not* there. Fitzdares has no welcome offer of the headline £20/£40 variety; the brand’s value to a reader is in the payout tier. A reader weighing Fitzdares against a brand with a richer welcome offer needs to weight the £20 to £40 of headline bonus against faster access to winnings — and the answer depends on stake size and frequency. A punter betting once a month values the bonus; a punter withdrawing £500 four times a month values the payout speed.

Verdict. Fitzdares is the payout-tier pick: same-day Visa withdrawals, smaller welcome offer, the rest of the term sheet unremarkable. Where a reader’s bottleneck is access to winnings rather than the size of a first-time bonus, this is the brand worth a look.

Copybet: an acca booster and the commission on tipsters

Copybet’s Acca Booster pays up to a 100% cash bonus on accas of at least three selections, and it offers up to a 15% Daily Profit Boost. The Acca Booster is the headline product — it converts a winner into a winner and a half, doubling up at the top end, on accas of three or more legs. The 100% ceiling applies at the high end of the leg count; the lower-end booster (a 5% or 10% lift on a three-leg acca) is more typical of the day’s bets. The Daily Profit Boost is a separate lever, applied to nominated markets on a daily basis, with a ceiling of 15%.

Copybet’s positioning is unusual: the brand runs as a tipster-following platform, where experienced bettors publish their bets and followers copy them. The acca booster is the in-app enhancement that runs alongside the following product; readers interested in tipster following read it as a parallel product to the welcome offer.

Verdict. A reader who places accas of three or more legs finds Copybet’s Acca Booster worth more than the £40 welcome offers on this page, because the booster pays on real bets at normal stake. A reader who places singles and doubles sees little here. Pick this brand for the multi-leg pattern of punting, not as a one-off welcome.

BetGoodwin: a £15 welcome split across three bet types

BetGoodwin’s sports welcome offer is “Bet £10 & Get £15 in Free Bets”, made up of a £5 sports bet, a £5 acca and a £5 Sub-Cover bet. The headline is modest — £15 vs the £40 of larger offers — but the three-token structure steers the punter towards three markets they would not otherwise have chosen. The £5 Sub-Cover bet in particular is built around a specific product (substitute-player markets in football); readers who do not back those markets abandon that token.

The qualifying bet is £10; the tokens credit on settlement. Each token expires on the operator’s own window — the welcome bonus bundle is structured so the tokens expire together or separately depending on the brand’s terms. A reader opening BetGoodwin for horse racing only will not use the £5 Sub-Cover or the £5 acca token, leaving the £5 sports bet as the only token the welcome deal applies to.

Verdict. £15 in three tokens is a modest welcome offer, with the highest cost in the markets the punter has to find. The brand suits a reader whose interest is broad — singles, accas, and substitute-player markets — and the welcome offer rewards exactly that pattern. A single-market punter reads this as a £5 free bet on a market they did not ask for.

DragonBet: price-boost focus with a “best price” promise

DragonBet advertises price boosts on horse racing, football and rugby, and says it will try to match or beat prices seen on other apps or websites. The brand’s positioning is the daily price: a horse racing price boost on the morning’s card, a football price boost midweek, a Best Odds Guaranteed-style commitment to match competitor prices. The welcome offer is not the headline product; the price promise is.

For a reader who bets each day, that promise is worth more than a one-off welcome bonus: a 5% better price on a £50 horse racing stake pays £2.50 on a winning bet; a 10% boost pays £5; a £40 free bet once a year is the same headline figure (£40) — but the daily bettor recoups it in a fortnight of price edges. The risk is that “match or beat” is not “guaranteed best odds” — the brand says it *tries*, not that it *will*. A reader who relied on the promise to the penny would need to check each price.

Verdict. DragonBet is the daily-bettor’s pick on price, not the welcome-bonus pick on headline. The “match or beat” promise is the page’s word from the operator; readers should check the small print on what counts as a comparable price before staking significant amounts.

NetBet Sport: a bet builder with instant dynamic odds

NetBet Sport offers Daily Boosts, Profit Boosts and free bet offers, a Bet Builder with instant dynamic odds, and sports stats for major leagues. The bet builder with instant dynamic odds is the headline product — a single-event multi-leg bet whose price recalculates as selections are added. The Daily Boosts and Profit Boosts are the standard price-boost infrastructure (one-off daily lifts on chosen markets, plus a profit boost on selected bets); free bet offers recur week-on-week.

The brand’s distinguishing features are its bet builder, its boosts and its ongoing free bet rotation. A reader who places Bet Builder-style markets on a single football match finds this useful; a reader who wants a Bet Builder across multiple games (a same-game multi or a multi-match multi) finds the product narrower than Kwiff’s Bet Builder+ or bet365’s Bet Builder+.

Verdict. NetBet is the single-event Bet Builder pick: instant dynamic odds, daily boosts, ongoing free bet rotation. The bet builder stops at one event; a reader whose multi-game pattern of betting is well established should look elsewhere.

Bet Ahoy: a £10 welcome as a brand test

Bet Ahoy’s welcome offer is “Bet £10 & Get £10 in Free Bets”, made up of a £5 sports bet and a £5 acca. The headline is the smallest of the comparison; the structure of £5 in a single bet and £5 in an acca is the smallest welcome offer on this page. The qualifying bet is £10, the tokens expire on the operator’s standard window. There is no research record on expiry — readers should check the brand’s terms before staking the qualifying bet.

The brand sits on this page as a smaller-scale operator with a smaller welcome offer. A reader who opens Bet Ahoy for any reason should know that the headline is 1:1 — £10 bet, £10 free bet — and the value sits in the £5 acca. For a punter with a typical pattern of betting on singles, the welcome offer matches their stake and no more.

Verdict. A £10 welcome for a £10 qualifying bet is small, but plain. The acca token is the operator’s bet that the new customer will return; a reader whose pattern is singles will leave half of the welcome on the table.

Geoff Banks: live in-play and ante-post, no headline welcome

Geoff Banks’ app is published by GB Sports Advisors Limited and offers live in-play prices and ante-post prices on future events. The product is the in-play and ante-post coverage — horse racing and greyhound racing in particular, with football in-play and US sports ante-post. The brand’s value to a reader is the racing and ante-post markets it covers in-house.

A reader interested in horse racing will read this brand as a focused racing bookmaker with live in-play coverage. The “no welcome offer” position is not a flaw — the comparison places it there. For a reader with a £500 ante-post position in mind, the absence of a welcome offer is irrelevant. For a reader with a £20 first bet and a £40 welcome bonus in mind, Geoff Banks reads as not the right brand for that bet.

Verdict. Pick Geoff Banks for racing and ante-post markets; the welcome offer is not the reason to open an account.

Matchbook: an exchange with 110 days commission-free

Matchbook’s new-customer offer is 110 days of commission-free betting from registration for customers who register with the code shown in the listing and make a deposit; standard commission applies afterwards. The product is the betting exchange: backing and laying, with the operator taking a commission on net winnings rather than a margin baked into the price. The 110-day commission-free window is the welcome offer — not in the form of free bets, but in the form of zero commission on a punter’s exchange trading.

For readers who understand exchange mechanics (back odds of 4.0 mean a stake wins against the layer at decimal 4.0; lay odds of 4.0 mean a stake is at risk against the backer at decimal 4.0; the commission is the operator’s cut on net winnings), the 110-day window is more valuable than a £40 free-bet bundle. For readers who do not, Matchbook is not the brand to start on. This page does not address exchange mechanics in depth; this is a starting point: the comparison surfaces Matchbook because the Commission’s public register lists it as a betting intermediary, the 110-day offer is in the brand’s terms, and the brand’s value to readers who already use exchanges is plain.

Verdict. Matchbook is the exchange pick: 110 days commission-free for new customers, then standard commission. The welcome offer is the right shape for an exchange product; the brand is not a starter bookmaker for a reader who has not used one before.

Betboro: a 100% matched free bet, three-leg requirement

Betboro’s sports welcome offer is a 100% matched free bet of up to £25 on the first qualifying wager, requiring a debit card deposit of at least £10 and a first bet of £5 to £25 with at least three selections each at 3/5 (decimal 1.60) or higher. The structure is the most restrictive on this page: a free bet whose stake matches the first bet, capped at £25, with a three-leg minimum on the qualifying wager. A qualifying bet of £25 at three selections of 1.60 or larger is a £75 total stake across three legs — the qualifying layer is heavier than at the standard £20 single.

The match-the-qualifying-bet structure is the operator’s bet that the punter was already going to place a £25 wager: the matched free bet is the upside if the wager loses, paid as a single token on the operator’s own minimum odds. A reader whose pattern is three-leg accas at minimum odds of 3/5 finds the qualifying bet easy; a reader whose pattern is singles or doubles does not.

Verdict. The 100% match is generous on paper; the three-leg restriction makes it a fit for acca bettors only. A reader whose natural stake is a £25 acca picks up a £25 matched free bet with no real effort; a reader whose natural stake is a £25 single finds the qualifying layer costly in time.

Coral: the headline Bet £20 Get £40 — and the rest of the offer

Coral’s sports welcome offer is “Get £40 in Free Bets when you bet £20”: a deposit and sports bet of £20 or more at minimum odds of 2.0 (1/1), with £40 in free bets issued within 7 days and expiring 7 days after issue, for new GB customers who opt in. The structure is the standard headline offer; the qualifying bet is the £20 stake, the tokens credit within seven days, each token expires seven days from issue. The payment-method requirement is debit card or instant bank transfer; the offer covers the listed payment methods including Apple Pay, Visa, Visa Electron, Mastercard, Revolut Pay, Google Pay, TrueLayer, Earthport and Trustly, with a “qualifying deposit must be made with a debit card or instant bank transfer” carve-out for the welcome offer specifically.

Beyond the welcome, Coral offers a free daily Reward Shaker, an Odds Booster on hundreds of markets, and free-to-play games such as Football Super Series with a £10,000 jackpot. The Reward Shaker is a daily free-to-play; the Odds Booster is a price lift on hundreds of markets; the Football Super Series is a free-to-play game with a jackpot. The full Coral offer sits on the welcome as a credit, and on the daily products as ongoing value.

Verdict. Coral is the £40 headline pick — clean terms, debit-card-or-instant-bank-transfer on the qualifying deposit, seven-day expiry on the tokens, with an ongoing daily value (Reward Shaker, Odds Booster) underneath. The welcome is the headline; the daily is the reason to stay.

The licensed brands, side by side

The full set of brands reviewed here is laid out below. The licence number and operator are taken from the Gambling Commission’s public register; the offer terms are the operator’s own published terms; the spot price or market mechanic is named where research carries one.

Where research does not name a value for a given operator, the cell reads “—” rather than inventing one. A column of dashes is unhelpful to a reader, which is why some columns are dropped and the gaps stay in the rows that hold them.

Brand Gambling Commission remote licence What the operator’s own terms state
Betway 039372-R-319367-029 (account 39372); Betway Limited £40 in four £10 free bets on a first bet of ≥ £10 at min odds 2.0; 7-day expiry; debit card deposits only
Fitzdares 000400-R-103839-030 (account 400); Fitzdares Limited No headline welcome offer in published terms; same-day Visa withdrawals; Mastercard up to 48 hours
Copybet 053774-R-330743-010 (account 53774); Copybet UK Limited Acca Booster up to 100% cash bonus on accas of 3+ legs; Daily Profit Boost up to 15%
BetGoodwin 002927-R-327985-008 (account 2927); Goodwin Racing Limited “Bet £10 Get £15 in Free Bets”: £5 sports, £5 acca, £5 Sub-Cover
DragonBet 064908-R-339041-003 (account 64908); DragonBet Ltd Daily price boosts on horse racing, football, rugby; “try to match or beat” competitor prices
NetBet 039170-R-319343-032 (account 39170); Netbet Enterprises Limited Daily Boosts, Profit Boosts, ongoing free bet rotation; Bet Builder with instant dynamic odds
Bet Ahoy 100094-R-341742-003 (account 100094); Bet Ahoy Ltd “Bet £10 Get £10 in Free Bets”: £5 sports + £5 acca
Geoff Banks 054095-R-330366-010 (account 54095); GB Sports Advisors Limited Live in-play and ante-post prices; no headline welcome offer in published terms
Matchbook 039504-R-319407-024 (account 39504); Triplebet Limited 110 days commission-free betting for new customers; then standard commission
Betboro 044181-R-324363-007 (account 44181); Webmedia Development N.V. 100% matched free bet of up to £25; debit card deposit ≥ £10; first bet £5–£25, three selections at 1.60 or higher

A reader choosing between these ten is comparing a £40 headline plus a four-token structure (Betway) against a £40 headline plus ongoing daily products (Coral); a 100% matched free bet with a three-leg restriction (Betboro) against a £15 bundle across three bet types (BetGoodwin); an acca booster (Copybet) against a Bet Builder (NetBet); an exchange with 110 days commission-free (Matchbook) against a focused racing bookmaker (Geoff Banks); and a smaller welcome offer plus same-day Visa withdrawals (Fitzdares) against a price-match promise (DragonBet). The table states the facts; the decision turns on what a reader’s pattern of betting makes the headline worth.

What “verified” looks like in the register

Checking a licence is a one-minute exercise. The Commission’s public register lists every GB-licensed operator and accepts searches by:

The result page names the licence type (remote general betting standard real events, remote betting intermediary, etc.), the operating company and the registered address. A second check, for the FA and FCA on spread-betting firms, sits at the FCA register — Spreadex, for example, is regulated by the FCA for spread betting and by the Gambling Commission for fixed-odds betting, with that statement visible on the operator’s own homepage.

What the register does not tell the reader: how good the welcome offer is, how fast the withdrawals run, what the bet builder looks like, or how the price compare against another app. Those are independent judgements, drawn from each operator’s published terms and the reader’s own pattern.

Three clauses set the frame for everything above.

The 10x wagering cap in force since 19 January 2026 limits how much qualifying turnover a bonus can require before the bonus and any winnings from it can be withdrawn. A £10 bonus at the cap requires no more than £100 of qualifying bets at the operator’s minimum odds. The cap applies to bonuses; whether it applies to free bets with no wagering condition is not settled in the published guidance.

The mixed-product ban also in force since 19 January 2026 prohibits offers that require gambling on two or more product types — betting plus casino, sports plus bingo, sports plus lottery. The plain “bet on football, get free spins” structure is no longer permitted at GB-licensed brands.

The credit card ban since 14 April 2020 prevents funding gambling with a credit card, including credit-card-funded payments through an e-wallet. Debit cards and bank-based payments are not covered.

Outside the promotion frame: the identity check before first deposit is a licence condition since 7 May 2019, and the financial vulnerability check since 30 August 2024 applies once a customer’s deposits minus withdrawals cross £150 in a rolling 30 days (since 28 February 2025). The vulnerability check is a public-record check, not an income check. Both checks are mandatory at GB-licensed brands; an offer that does not require either — at an offshore, unlicensed brand — is an offer outside this frame.

The full picture of player protection lives in the next section.

Player protection at GB-licensed brands

GAMSTOP is the multi-operator self-exclusion scheme, and a GB licence requires every online operator to be a member since 31 March 2020. Exclusion periods are six months, one year, five years, or five years with auto-renewal; after the minimum period the exclusion stays for seven more years unless the customer asks GAMSTOP to remove it. GAMSTOP covers online sites and apps; high-street bookmakers run a separate service.

The financial vulnerability check (LCCP condition 3.4.4, in force since 30 August 2024) is the public-record check that applies once deposits minus withdrawals exceed £150 in a rolling 30 days. It runs against publicly available sources — bankruptcy, county court judgments — and is not a credit check and not an income check. The “affordability check” of press coverage is a *financial risk assessment*, a separate measure announced on a staged plan with no published start date: write “announced, staged, no start date”.

Deposit limits are offered by every GB-licensed operator on the operator’s own product, with rules the operator sets — there is no state-set ceiling for betting. The first changes to the regime took effect on 31 October 2025; a second phase was postponed to 30 September 2026, and whether it is live at the time of writing is not established. Operators are required to offer a gross deposit limit on a fixed time frame; the limit the punter sets is the limit the punter sets. A punter who wants a daily £20 limit sets a daily £20 limit at the operator.

Help, when it is needed: GamCare runs the National Gambling Helpline (24/7); GambleAware funds treatment and information; NHS gambling clinics run in several regions of England; Gamblers Anonymous runs peer-support meetings. The pages of each GB-licensed brand link into these organisations from the safer gambling section. The framing in the comparison above is about offers; the framing in this paragraph is the rest of what a GB licence entails.

The arithmetic of clearing the headline offer

Working the page’s own calculation through, on the offer terms research carries:

Now apply the cap. The maximum the cap allows is £100 of qualifying turnover for the £10 bonus — and on a 5% margin, that ceiling costs £5 in expected margin, half the bonus paid out. The cap is generous as a ceiling, not as a baseline. Most GB-licensed bonuses clear on 1x to 5x of the bonus base, well below the cap, and the calculation above is the typical shape.

What does change is the worst case. A pre-cap £10 bonus at 50x would have required £500 of qualifying turnover, with an expected margin cost of £25 to £40 — losing money in expectation against the £10 bonus. The cap’s 10x ceiling rules that structure out. Today’s headline offers, even the expensive ones, sit comfortably below £100 of turnover against a £10 bonus; the £100 ceiling is a guardrail, not a daily reality.

Conclusion as a band. Under the 19 January 2026 promotion rules, clearing a £10 cash bonus at a typical 1x to 5x wagering multiple costs a punter, on average, between £2.50 and £5 in margin on qualifying bets — a positive expected value of £5 to £7.50 against the £10 bonus, before any time cost. At the cap, the same £10 bonus costs up to £5 in margin on the £100 ceiling — a positive expected value of £5 against the £10 bonus, but with ten times the qualifying turnover and ten times the time. The *sign* of the band is positive; the *width* depends on which market the qualifying bets land on, since margin varies by sport, by bet type and by price level.

That conclusion is an estimate. It assumes only the bonus amount is wagered, that all qualifying bets settle at minimum odds, and that the punter’s net outcome follows the bookmaker’s margin. A single punter’s outcome on a single bonus can fall anywhere outside the band; the band is the average across many bonuses cleared under the same conditions.

The two recurring offers the comparison does not feature

Two specific bonus shapes sit just outside the ten brands featured here, and a reader choosing among them gets a slightly different arithmetic.

bet365 (Gambling Commission licensed, outside this page’s set). The bet365 Bet Builder+ combines markets from a single event into a single bet, available pre-match and in-play; Super Boosts and daily Bet Boosts run alongside it. The bet builder is the headline product on this brand, with the welcome structure of free-bet credits on a qualifying first bet. The welcome figure for bet365 is in the brand’s own terms.

William Hill (Gambling Commission licensed, outside this page’s set). The Football Acca Boost covers accas of two or more legs, each at 1/5 or bigger, with a boost from 3% on a double up to 200% on 20+ legs, capped at £10,000 per online bet, running until 30 May 2027. The cap of £10,000 per online bet and the scaling percentage make this the most generous acca boost in the comparison set. The brand’s welcome offer is not in this page’s research; readers should check William Hill’s own terms.

Both brands sit outside this page’s featured set for the same reason: the ten brands named above carry the comparisons this page makes. The two outside the set are mentioned here so a reader does not assume the comparison is the whole market — it is not.

What every offer at a GB-licensed brand has in common

Three things show up on every welcome offer at a GB-licensed brand, and a reader new to the comparison benefits from knowing they will see them on every page they open.

The minimum odds rule on the qualifying bet. The shape varies (1/2, 1/1, 4/5, evens), and a bet below the minimum disqualifies the welcome offer from clearing. Markets such as heavy favourites on Premier League football or short-priced favourites on a single horse race fall below the line; a reader planning their qualifying bet needs to check the market’s odds before staking the deposit.

The debit card or instant bank transfer requirement on the qualifying deposit. Credit cards are banned for gambling in Great Britain; most operators also exclude e-wallets, prepaid cards and certain bank-based methods from the welcome qualification. The carve-out is the same set across brands: debit cards and instant bank transfers qualify, everything else is at the operator’s discretion.

The expiry window on free bets, almost universally seven days from credit (with the credit date set by the settlement of the qualifying bet). A free bet unused at the end of seven days is forfeited; a punter whose first qualifying bet settles on a Tuesday has until the following Tuesday to use the credit.

Across the ten brands reviewed, the spread on the three conditions is narrow. The headline figure and the bundle structure vary; the minimum-odds line and the expiry window do not.

What offshore means in practice

An operator without a GB licence — running on a Curaçao, Malta or Antrim licence — is not regulated by the Commission for GB customers. The practical consequences:

The framing is what the operator’s jurisdiction protects and what it does not. Where a GB-licensed welcome offer fits, the GB-licensed brand is the comparison; where it does not fit, the comparison surfaces that and the reader chooses.

Frequently asked questions

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

Pick the brand, open its app or site, complete the registration with name, address and date of birth, verify your identity when the operator asks (a photo of an ID document and a selfie is the usual route), make a qualifying deposit by debit card or instant bank transfer, place a first bet at or above the minimum odds at or above the qualifying stake, and the welcome offer credits on settlement of that first bet. Identity verification is required before the first deposit at every GB-licensed operator (in force since 7 May 2019), so the sign-up cannot be anonymous.

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

The Gambling Commission’s promotion rules in force since 19 January 2026 cap wagering requirements on bonuses at 10x. A £10 bonus cannot require more than £100 of qualifying bets before the bonus and any winnings from it can be withdrawn. Whether the cap applies to free bets with no wagering condition is not settled in the published guidance.

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

Minimum odds are the floor below which a qualifying bet does not count toward the welcome offer; a bet below the line voids the credit. The wagering requirement is the multiple of the bonus base the punter has to stake in qualifying bets before the bonus and any winnings can be withdrawn. At a 5x wagering multiple on a £10 bonus, the qualifying turnover is £50; at minimum odds of 1.5, that is 50 single bets of £1 each.

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

Because the free bet is a token, not cash. The operator credits the winnings of the bet only; the stake was the operator’s. A £10 free bet at odds of 4/1 (decimal 5.00) returns £40 of winnings, not £50. The mechanic is the same across GB-licensed operators and the only way to convert a free bet to withdrawable cash is to win the bet.

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

No. The promotion rules in force since 19 January 2026 ban mixed-product promotions — an offer that requires gambling on two or more product types, such as betting plus casino, sports plus bingo or sports plus lottery. The plain “bet on football, get free spins” structure is no longer permitted at GB-licensed brands.

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

Search the Commission’s public register by business name, trading name, domain or account number. The result page names the licence type (remote general betting standard real events, remote betting intermediary, etc.), the operating company and the registered address. For spread-betting firms, the FCA register is the second check; a brand regulated for spread betting by the FCA and for fixed-odds betting by the Commission is named explicitly on its own homepage.

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