Compare betting sites in Great Britain: who holds a licence, who pays out, and what an offer really costs

Updated October 2026
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The bookmaker a friend swears by is rarely the one a second friend wants. The market is wide, the licences are real, and the small print decides what the headline price means in your pocket. This page compares licensed British bookmakers on their own published terms, walks through the rules they operate under, and sets out what the numbers in a welcome offer or a price actually cost the punter. It is built for 2026, against the Gambling Commission’s public register and against the terms each operator publishes today.

Three balls of different kinds side by side on a wooden bench
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 30 October 2026 · checked against the Gambling Commission’s public register and each operator’s own UK site.

What “compare” means when sites are already licensed

The word “compare” gets stretched in this market. The licensed set in Great Britain is not a shortlist of ten friendly shops; it is a long register, and a place in a comparison is not a licence. The honest lead is that any operator taking bets from customers in Great Britain needs a Gambling Commission licence wherever it is based, and the Commission’s public register is the whole test of who holds one. A Curaçao, Maltese or Gibraltar licence is not a substitute. The point of comparing, then, is not to find a licensed one — that is done by the register — but to find the one whose offer, market depth and rules suit the bets you actually place.

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.

A few pieces of background frame every comparison that follows. Sports betting in Great Britain runs under the Gambling Act 2005, which covers England, Scotland and Wales; Northern Ireland is outside the Act. The minimum age is 18, and since 7 May 2019 operators verify name, address and date of birth before the first deposit, including when a free bet or bonus is what funds the account. There is no tax on betting winnings for the player, and there is no statutory cap on stakes. General Betting Duty, currently 15% on the operator’s gross profit, is the operator’s tax, not the player’s; from 1 April 2027 the remote rate within it rises to 25%, and whether operators pass any of that through into prices is not established. The specifics matter because the rest of the page reads them into ordinary decisions.

The fundamentals every comparison should anchor to

Four things are worth knowing before any comparison table earns its keep. They are the things the table headings sit on top of, and the things every offer is finally judged against.

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.

A licence is not optional. Operators accepting customers in Great Britain need a remote general betting standard (real events) licence from the Gambling Commission — or, for a betting exchange, a remote betting intermediary licence. Several brands run under one licence holder: Ladbrokes and Coral share, Paddy Power and Betfair share, and so on, and a single licence number on the register can mean several sites. The Commission’s public register, searchable by business name, trading name, domain or account number, is the whole test. A .com and a .co.uk both count as evidence of nothing; only the register decides.

A margin is the cut the bookmaker keeps. It is the gap between what a fair market would pay and what the operator offers, expressed as a percentage of the stake. A 5% margin is normal; 2% is sharp; 8% is loose. It sits inside every price on the page and is the one number that compounds across a season of bets. The arithmetic behind it is worked out in the section on what a price really contains.

A bonus cap is in force. Since 19 January 2026 wagering requirements on bonuses are capped at 10x the bonus amount, and mixed-product promotions (offers that require gambling on two or more product types, such as betting and casino combined) are banned. The cap concerns the multiplier, not the size of the bonus, and it is the operator’s ceiling, not the punter’s. Whether the cap applies to free bets with no wagering condition is not established.

A deposit rule is partly in force. The Commission’s first deposit-limit changes have applied since 31 October 2025, with a second phase postponed to 30 September 2026; whether that second phase is live is not established. There is no state-set deposit or loss ceiling for betting — limits are the customer’s choice, with the operator’s tools around them.

The state of the field in Great Britain

The set this page looks at is the ten Gambling Commission-licensed brands verified against the register and the operators’ own published terms. They are not a ranking. They are a working set, ordered for reading rather than for points. Every brand here is a separate licence holder or sits under a clearly named one, every brand runs under a remote general betting standard (real events) licence, and every brand takes part in GAMSTOP. Several of them are newer to the UK market; a few are old hands. Their offers and shapes vary more than the licence suggests.

The variety matters because the market does not behave like one product. Some of these brands are app-first, with no retail shop and a thin pre-match offering, and they earn their place through live markets and a social feed. Others are generalists with deep horse-racing books, a Best Odds Guaranteed concession, and racing form tools. A page that treats them as interchangeable misses the point; the comparison is about which one fits which punter, not about crowning a winner.

Where the rest of this page goes

The rest of the page moves through three lenses. The first lens is the punter’s: how bets and prices are built, what predictions and bankroll plans can and cannot do, and which sports the bookmakers fight hardest on. The second lens is the regulator’s: the licence types, the advertising rules, the credit-card ban, the protection regime, and the offshore alternative. The third lens is the operator’s, and the ten brands sit there, each with its own offer, its own tools, and the verdict that follows from them. A short worked example of a margin closes the analytical part, and a FAQ gathers the practical questions at the end.

Predictions, forecasts and strategy: what a tip actually buys

A tip service is a marketing product. The price a tipster charges is not the edge they expect to deliver; it is the subscription revenue, and the two are only loosely connected. Some tipsters are honest about long losing runs; many are not. The first thing a comparison has to say is that no system wins in the long run at the prices bookmakers offer, because the prices already contain the margin. A tipster who claims a steady 10% return on turnover is, in plain terms, claiming they can read markets that, taken as a whole, pay out less than they take in.

What a tip CAN do, in fairness, is name a market the bookmaker has priced loosely. A shortlist of soft-priced events is a real, useful thing. The catch is that soft prices are short-lived: the moment a tipster names a market, the market moves, and the edge the tip had evaporates. A punter who follows tips after they have been published is, by construction, behind the move. A punter who follows tips from a tipster with a private network and a head start has a real edge, but the tipster’s economics are built on selling that edge, not on giving it away.

Bankroll discipline is the only strategy that compounds. Staking the same percentage of the bank on each bet, logging every bet, and accepting variance is dull, but it is the only method that protects the bank through the losing runs every punter hits. The “funder” approach — doubling the stake after a loss, on the theory that one win recovers all — is the structure most likely to wipe a small bank in a single bad week. A system that “wins 80% of the time” is no protection if the 20% of losses is bigger than the 80% of wins.

What the field looks like from a punter’s view: the licensed UK set splits into three. The first group is the generalists, with broad market coverage and well-priced football, horse racing and tennis. The second is the racing specialists, where the value proposition is Best Odds Guaranteed, form tools and a racing-specific welcome offer. The third is the app-first, social-feed brands, where the product is shareable bets, a social layer and a tight in-play book. A punter who wants deep racing coverage and a serious form section goes one way; a punter who wants a social feed and a clean acca flow goes another; a punter who wants both picks the generalist that does both reasonably well.

A bookmaker’s prediction tools, where they exist, are mostly a thin layer of form data dressed up as forecasting. BetVictor’s Smart Stats is the more substantive of the lot, and it leans on form and course data for horse racing. Matchbook’s exchange lets a punter set their own price, which is the cleanest “prediction” tool of all: you say what you think will happen, you set the odds, and the exchange either finds a counterparty or it does not. That is closer to genuine forecasting than any in-house prediction card.

Bet types, odds and what a price actually contains

A price is a contract. The number says what the bookmaker pays back per pound staked if the bet wins, and the rest — the part that is not in the contract — is the margin. The shape of the contract varies by bet type, and the shape of the margin is the part the punter can read if they know what to look for.

The bet types a UK punter actually uses

Single. One selection, one outcome. The cleanest contract, and the one that exposes the bookmaker’s margin most clearly. A single on a football match winner is a one-in-three shot in the bookmaker’s frame; the contract is binary because the draw is a third outcome, and the bookmaker’s three prices on a one-in-three shot are not symmetric.

Each-way. Two bets of equal stake, so the stake doubles. One bet wins if the selection wins; the other wins if the selection places, with place terms set by the race and the operator. Each-way is a horse-racing staple and has a parallel on golf, where place terms are usually one-quarter of the win odds at three places. The doubling of stake is the point that surprises new punters; an each-way £10 bet costs £20, not £10.

Accumulator (“acca”). A bet whose price is the product of the prices of its legs. A four-fold acca at 3.00, 2.50, 1.80 and 2.20 is a 29.7 shot. The product is the right arithmetic, but the margin compounds too: each leg carries the bookmaker’s cut, and the acca’s overall cut is the geometric average of the leg margins, lifted higher. Long accas are the bookmaker’s best friend; short accas are the punter’s.

Bet Builder / same-game multi. A bet on multiple outcomes from one event, priced as a single line. The pricing is the bookmaker’s; it does not compound from the single-market prices, and a careful punter will compare the builder’s combined price to the singles. Most of the time, the builder is tighter than the singles multiplied together, and that is the bet-builder margin talking.

Cash Out. A settlement the bookmaker offers before the event finishes, at a price the bookmaker sets. Cash Out is a margin instrument: the bookmaker pays a discount on the fair settlement in exchange for taking the position back. There is a case for using Cash Out to lock a profit on a multi — the legs have not all been settled and the bookmaker is not certain of the cost — but a punter who routinely cashes out single bets is selling themselves short.

Spread betting (Spreadex). A different contract altogether. The punter bets a stake per point of movement on a quoted spread (a “buy” price and a “sell” price, and the outcome is the difference between the spread and the actual result). Losses can exceed the deposit, because the loss is the stake per point multiplied by the points moved against the bet. Spreadex is regulated by the FCA for spread betting and by the Gambling Commission for fixed-odds betting, and the difference matters: an FCA-regulated spread bet is a financial product, a Commission-regulated fixed-odds bet is a bet, and the tax treatment of the two is different.

Reading the margin out of the prices

A two-way market at decimal odds of 1.90 and 1.90 is the cleanest example. The reciprocal sum of 1/1.90 + 1/1.90 works out to 1.0526, and the implied payout share is 1 divided by that sum, or about 95%. The margin is 1 minus the payout share, or about 5%. The 5% is the bookmaker’s cut on a perfectly symmetric two-way market; in practice, the same shape holds for a three-way 1X2 football market with three prices and a slightly higher margin.

The 5% on a two-way line is a soft example. Football 1X2 lines at the major bookmakers sit at margins of 5% to 8% on the top-flight matches, depending on the day, the operator and whether the line has been priced early or close to kick-off. Tennis match-winner markets sit lower, often 3% to 5% on the Grand Slams, because the books are deeper and the price takers are sharper. Horse racing SP markets are wide, but the punter who backs early is paid at SP if they take the price, and the BOG concession narrows the gap.

The shape of the price — how much the price moves when the bookmaker re-prices — is part of the same picture. A bookmaker who moves a price by a small amount on small news has a tight book and a small margin. A bookmaker who moves a price by a lot on the same news is either carrying a larger margin or trying to manage exposure, and a punter can read the difference by how often the price moves. Markets that re-price by a point or two on a player injury are the cheaper markets to play.

The sports and tournaments the books fight on

The deep market in any British bookmaker is football, horse racing, tennis and greyhound racing. Every other sport is a layer on top, and the depth of the layer is what separates the generalists from the specialists.

Football: the year-round battlefield

Football is the largest sport by handle, by number of markets and by number of events covered. Every licensed UK bookmaker carries the Premier League, the Champions League, the Championship, La Liga, Serie A, the Bundesliga and the top of the Scottish game, with match-winner markets, both-teams-to-score, over/under goals, Asian handicaps and a long tail of player props. Bet Builder, same-game multi and in-play markets are the main battleground; the bookmaker with the broadest selection of player props and the most reliable in-play pricing is the bookmaker who holds the football punter.

bet365 is the official global betting partner of the UEFA Champions League, and the partnership shows up in the depth of the Champions League coverage. Most of the other licensed brands carry the same competition, but the partner’s price feed tends to move first and settle at the tighter number. The Premier League is treated as a marketing product by every brand, which means the headline prices are the same and the real difference is in the player-prop depth and the in-play reaction time.

Horse racing: where Best Odds Guaranteed lives

Horse racing is the British bookmaker’s second sport, and the shape of the offer is different. Every racing-focused brand carries Best Odds Guaranteed on UK and Irish racing: back a horse at a price and, if the SP returns more, the bookmaker pays the higher number. BOG is the single concession that makes the racing punter a price taker; without BOG, a backer who takes an early price is at the mercy of the morning move, and with BOG the risk is on the bookmaker.

BetVictor’s racing offering leans on BOG, enhanced live race streaming and a BetFinder form tool, with Smart Stats alongside. The combination is the more substantive racing product in the set, and it is the brand a serious racing punter is most likely to keep a tab open with. The other licensed brands carry BOG as well; the depth of the form tools and the quality of the race-streaming overlay is what separates them.

Tennis, golf, and the rest

Tennis is a sharp book, especially at the Slams and the Masters events, because the markets are deep and the in-play reaction is fast. Grand Slam match-winner lines at the bigger firms are priced close to fair, with margins in the 3% to 5% range, and in-play tennis is the most popular live market after football. The bookmaker with the better in-play tennis feed wins the tennis punter, and the feed is judged on latency, on how often the price is updated, and on whether the market is suspended sensibly on a medical timeout or a rain delay.

Golf is a similar shape, with the live tracker (bet365’s Live Golf Tracker is the most publicised) doing the same job as the in-play feed on tennis. The other sports — basketball, American football, ice hockey, cricket, rugby, snooker, darts, MMA, Formula 1 — are well covered at the generalists and thinly covered at the specialists, and the depth varies from operator to operator. Esports, virtual events and novelty markets (politics, TV shows) are carried by most licensed UK brands; esports is treated like any other event, virtual events are a separate licence category, and there is no statutory prohibition on politics or novelty markets.

Greyhound racing and pool betting

Greyhound racing sits in the same bucket as horse racing for most operators, with the same BOG concession on some events and a similar in-play book. Pool betting is a different contract altogether: the punter backs into a pool, the pool is closed at the start, and the payout is the punter’s stake multiplied by their share of the pool minus the operator’s take. Pool betting is a separate licence category and the operator’s take is fixed by the rules of the pool. Tote-style products on the major UK races are offered by most of the licensed set.

The ten brands, side by side

The table below is the comparison the page is built around. It pairs each operator with its Gambling Commission licence number and the licence holder, and notes what the operator’s own terms say about the topic in the page’s title. The “what the operator’s own terms state” column is not a verdict; it is a reading of the published terms, taken on the access date. Where no published statement on a given point was found, the cell is left blank and the prose beside the table fills the gap.

Brand Gambling Commission remote licence number and licence holder What the operator’s own terms state on the comparison
888sport 39028 — 888 UK Limited Pre-match and in-play betting, Cash Out, Bet Builder, racing streams, BetFinder form tools, a live bet feed and daily boosted odds.
Geoff Banks 54095 — GB Sports Advisors Limited Live in-play prices and ante-post prices on future events; the app is the main product surface.
BoyleSports 39469 — Boylesports Enterprise £20 in free bets when a £10 bet is placed for UK players (€30 in free bets for a €10 bet for Irish players).
Hollywoodbets 53028 — Hollywoodbets International UK Limited New players who deposit £10 or more by card get their stake back as a free bet of up to £30 on their first qualifying losing accumulator (3+ legs, odds of 4/1 or greater, settled within 7 days); one free bet per customer.
Dabble 65677 — Dabble Sports UK Ltd “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.
Matchbook 39504 — Triplebet Limited Exchange model: backers and layers set prices; commission on net winnings; Betdaq accounts will not transfer to Matchbook after the Triplebet acquisition.
Spreadex 8835 — Spreadex Limited FCA-regulated spread betting alongside Commission-regulated fixed-odds betting; spread betting losses can exceed the deposit.
BetVictor 39576 — BV Gaming Limited Best Odds Guaranteed on UK and Irish horse racing, enhanced live race streaming, a BetFinder feature for racing bets, and Smart Stats form tools.
Octobet 62545 — Octopus Game Limited 50% back as a free bet up to £50, plus a £10 casino bonus for new customers.
Bet Ahoy 100094 — Bet Ahoy Ltd “Bet £10 & Get £10 in Free Bets”, made up of a £5 sports bet and a £5 acca.

The table is not the comparison; it is the index. The verdicts and the trade-offs live in the operator write-ups below, and they are written to answer different questions for different brands, not to repeat the same “good for” line ten times.

The licence regime, in plain terms

The Gambling Commission licenses the whole commercial market under the Gambling Act 2005. 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; a Curaçao, Maltese or Gibraltar licence is not a substitute. There is no state monopoly and no cap on the number of licences. The Commission’s public register, searchable by business name, trading name, domain or account number, is the whole test of who holds a licence.

The licence types in this market

The five licence types cover the products a UK punter actually uses. A remote general betting standard (real events) licence covers pre-match and in-play sports betting on real-world events; every brand in the table holds one. A remote general betting standard (virtual events) licence covers virtual sports, computer-generated events with no real-world counterpart, and is held alongside the real-events licence by most operators. A remote general betting limited licence covers smaller-scale operators with restricted product. A remote pool betting licence covers Tote-style products on horse and greyhound racing, where the punter backs into a pool rather than against a book. A remote betting intermediary licence covers betting exchanges — Matchbook holds one, alongside its general betting standard licence.

Financial spread betting is regulated by the Financial Conduct Authority, not the Commission, and the difference matters for the tax treatment of any profit. Spreadex is regulated by the FCA for spread betting and by the Gambling Commission for fixed-odds betting, and the two regimes sit side by side on the same platform.

What the licence means for the punter

A licensed operator runs under the Commission’s Licence Conditions and Codes of Practice (LCCP), which set the customer-protection duties. Identity is verified before the first deposit, GAMSTOP self-exclusion is mandatory, advertising runs under the CAP and BCAP codes alongside the LCCP marketing conditions, and the Commission’s enforcement arm can suspend or revoke a licence. A licensed operator’s customer has the protection of the Commission’s complaints route and the approved alternative dispute resolution (ADR) bodies, and the operator’s customer funds are held under the Commission’s rules on customer fund segregation, with varying levels of protection.

An unlicensed operator offers none of that. The Commission has the power to send cease-and-desist notices, work with search engines, registrars, hosts and payment providers, and has been given or is about to receive court-order DNS blocking powers — never write that ISP blocking is currently in operation. The honest framing is that an unlicensed site is one the customer uses at their own risk: no GAMSTOP coverage, no Commission complaints route, no approved ADR, no British consumer redress if funds are withheld, and no guarantee the operator is bound by the 10x bonus cap or the £150 financial vulnerability check. The customer’s winnings are still untaxed, because the tax treatment is set by the customer’s residence, not by the operator’s licence; but the practical protections and the practical enforcement are absent.

Identity, age and the first deposit

The minimum age is 18, and since 7 May 2019 operators verify name, address and date of birth before the first deposit, including when a free bet or bonus is what funds the account. The verification is the operator’s job, not the customer’s, and a licensed operator that lets a customer deposit and bet without verification is breaking the LCCP. A 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); it is a public-record check (for example bankruptcy or county court judgments), not an income check and not a credit reference check. Financial risk assessments, the “affordability checks” of the press coverage, are announced in a staged plan (Commission article of 7 July 2026), with no start date.

A British named-account rule, a state list of permitted payment methods, and any rule for or against cryptocurrency deposits at licensed operators are not established. Describe payments qualitatively and only from each operator’s terms. Credit cards are banned for gambling in Great Britain since 14 April 2020, including credit-card-funded payments through an e-wallet; debit cards and bank-based payments are not covered. bet365 takes debit card, PayPal and Apple Pay; Midnite takes Visa, Mastercard, Apple Pay, Google Pay and Trustly; Betmaster takes Visa, Mastercard, Maestro and V PAY. The pattern is a debit card and an e-wallet, with one or two bank-based options layered on top.

Responsible gambling: the tools and the help lines

GAMSTOP is the national multi-operator online self-exclusion scheme and a mandatory licence condition for online operators since 31 March 2020. A customer registers with GAMSTOP, chooses a period (six months, one year, five years, or five years with auto-renewal), and is blocked from every GB-licensed online operator for the duration. 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. Every operator in the comparison table is a GAMSTOP member, and a customer who has self-excluded through GAMSTOP is blocked from the lot.

Operator-side safer-gambling tools are mandatory too. Unibet lists deposit limits, a Player Profile test, product restrictions and self-exclusion, with live chat support and links to BeGambleAware, GamCare, GAMSTOP, Gambling Therapy and the BGC. Betmaster’s safer-gambling tools include deposit and session limits, time-outs and self-exclusion, with links to GambleAware, GamStop, BetBlocker and GamCare. Fitzwilliam Sports offers instant deposits, fast withdrawals, timeouts and deposit limits, and links to GambleAware, GamStop and Gamblers Anonymous. Midnite’s site links to GambleAware, GamCare, GamStop and BetBlocker. The pattern is the same across the licensed set: deposit limits, time-outs, self-exclusion, and the standard help-line links.

The help lines themselves are the safety net the operator tools sit on. GamCare runs the National Gambling Helpline. GambleAware funds treatment and education. The NHS runs a network of gambling clinics. Gamblers Anonymous runs peer-support meetings. A punter who feels the betting is no longer fun has a free, confidential route to talk to someone, and the operators’ own safer-gambling pages link directly to the help lines.

What the deposit-limit regime looks like in practice

The Commission’s deposit-limit regime is being rolled out in stages. The first changes have applied since 31 October 2025, with a second phase postponed to 30 September 2026; whether that second phase is currently in force is not established. There is no state-set deposit or loss ceiling for betting, and the operator’s deposit-limit tool is the customer’s choice, with the operator’s interface around it. A punter who wants a hard ceiling sets one through the operator’s safer-gambling page; a punter who wants no ceiling accepts the operator’s default, which may not be no limit at all.

A practical point on the deposit-limit tool: it is a gross deposit limit on a fixed time frame, not a net loss limit. A punter who sets a £500 weekly deposit limit and withdraws £400 in the same week can deposit another £500, because the limit is on deposits, not on exposure. The distinction matters for the punter who is trying to use the tool to cap losses; a net loss limit is not the Commission’s regime, and a punter who needs a net loss cap has to use a third-party blocking tool (such as BetBlocker) layered on top.

Bonuses and free bets: what an offer is actually worth

The headline of any welcome offer is the smallest part of it. The wagering requirement, the minimum price, the expiry and the cap on free-bet winnings are the part that decides what the offer is worth in cash. Every licensed welcome offer in this market sits inside the 10x wagering cap on bonuses (in force since 19 January 2026), and every free bet in the comparison table carries its own terms on whether the stake is returned and how long the free bet is live.

Reading the welcome offer

A “Bet £10, Get £10 in Free Bets” headline is, in plain reading, a tenner back as a free bet if the first tenner loses. The value depends on what the free bet is, what minimum odds apply, and whether the stake is returned. Dabble’s offer is a £10 free bet on a first deposit, with minimum odds applying, a 7-day free bet expiry and the stake not returned. Bet Ahoy’s offer is the same shape, split into a £5 sports bet and a £5 acca. BoyleSports’ offer is a £20 in free bets for a £10 bet, with the same stake-not-returned structure. Hollywoodbets’ offer is a stake-back as a free bet of up to £30 on the first qualifying losing accumulator, with 3+ legs, odds of 4/1 or greater, settled within 7 days; one free bet per customer. Octobet’s offer is 50% back as a free bet up to £50, plus a £10 casino bonus for new customers.

The arithmetic on a stake-not-returned free bet is straightforward: the free bet’s expected value is the free-bet amount multiplied by the price minus one, divided by the price, multiplied by the payout share of the market the free bet is placed on. A £10 free bet at decimal odds 3.00 (fractional 2/1) on a market with a 95% payout share is worth about £6.33 on average. A £10 free bet at 1.50 (1/2) on the same market is worth about £2.11; the lower the price, the smaller the expected value, which is why minimum-odds clauses push the free bet onto short prices and shrink the value. A free bet with a 7-day expiry is the operator’s clock, and a punter who lets the free bet expire takes nothing.

The “stake returned” version is a different contract. A £10 free bet with the stake returned at 3.00 pays £30 back (the £10 stake plus £20 profit), and the expected value at a 95% payout share is the same as the stake-not-returned version, because the maths is the same after the equivalent price is worked out. The difference is operational: a stake-returned free bet is settled in cash, while a stake-not-returned free bet is settled in profit only.

The bonus cap, in practice

The 10x bonus cap, in force since 19 January 2026, is a ceiling on the wagering multiplier, not on the bonus amount. A £10 bonus at 50x wagering required £500 of bets before withdrawal; under the cap, no more than £100 of wagering is required on a £10 bonus. The cap changes the shape of the welcome offer: operators can still offer a big headline, but they have to keep the rollover sensible, and the punter has to clear the rollover before the bonus turns into cash. Whether the cap applies to free bets with no wagering condition is not established.

Mixed-product promotions are banned under the same regime. An offer that requires gambling on two or more product types — for example “bet on football to get free spins” — is not allowed at a licensed operator. The cap concerns the multiplier, not the size of the offer; a £100 bonus with a 10x rollover is the maximum a punter can be asked to clear, and a £500 bonus with the same rollover is the same labour.

The offers the comparison does not cover

The offers the table does not name — the acca insurance, the price boost, the enhanced odds — are the offers that are part of the everyday product, not the welcome. Acca insurance refunds a stake as a free bet (usually capped) if one leg of an accumulator lets the bet down, and the refund is paid in free bets, not in cash. A price boost is a one-off enhancement of a price, settled at the boosted number; the cap on the stake is the operator’s. Enhanced odds work the same way, with the cap and the eligible market set by the operator. The same wagering-cap and mixed-product rules apply, and a punter who treats the everyday offers as the welcome offer is in for a small surprise: the everyday offers are smaller, the caps are tighter, and the expiry is shorter. The pattern, across the licensed set, is that the welcome offer is the generous one and the everyday offers are the steady ones.

Mobile and app: the screen most bets are placed on

Most bets at a UK-licensed bookmaker are placed on a phone, and the app is the product surface for most of the brands in the table. The App Store ratings on the licensed set are clustered in the 17+ and 18+ bands, with several at 4.5 stars and above; bet365’s app is described as the most downloaded sports betting app in the UK, and 888sport’s app is well-regarded for the breadth of the live feed and the Bet Builder overlay. The mobile comparison is not about which app is best — that is a personal call — but about which features the mobile product puts in the punter’s hand.

What the apps actually do

In-play betting is the headline feature on the mobile product, and the quality is judged on latency (how quickly the price updates after a goal, a wicket, a break of serve), on suspension behaviour (whether the market is paused sensibly on a medical timeout, a VAR check, a weather delay), and on the live tracker (the visual overlay that follows the ball, the ball-by-ball commentary, the live stats). bet365’s Bet Track, Match Live and Live Golf Tracker are the most publicised, and the depth of the in-play feed is one of the things that separates the generalist from the app-first operator. 888sport’s live bet feed is a similar feature, and the comparison between the two is the comparison between the broader brand (bet365) and the more focused one (888sport).

Bet Builder is the second headline feature, and the comparison is about which events support it, how many selections can be combined, and how the price is worked out. bet365’s Bet Builder+ combines markets from one event into a single bet, available pre-match and in-play, and the “+” version is the broader of the two. Most of the other licensed brands carry a same-game multi product, with the depth of markets and the selection count varying from operator to operator.

Cash Out is the third headline, and the comparison is about which markets support full Cash Out, which support partial Cash Out, and how the Cash Out price reacts to in-play events. The Cash Out price is the bookmaker’s, and a punter who routinely cashes out single bets is selling themselves short; the case for Cash Out is on a multi, where the legs are not all settled and the bookmaker is not certain of the cost. The mobile product is the surface where Cash Out is most useful, because the multi is most often built and followed on a phone.

Face ID, Apple Pay and the rest of the mobile plumbing

bet365’s app supports Face ID login on supported devices, and the same pattern is the default on the licensed set: biometric login, one-tap deposit, and a saved payment method. The mobile-first product is the punter’s normal surface, and the desktop site is, for most of these brands, the secondary one. The licensed brands are well-drilled on the mobile product; the unlicensed and offshore brands are not, and the difference is part of the case for staying inside the licensed set.

The ten brands, reviewed

Each review below is built around the published terms, with the verdict closing on a question the comparison can actually answer. The brands are not ranked; they are reviewed in the order the licence register and the operator’s own terms put them.

888sport — the generalist with the broadest live feed

888sport runs under Gambling Commission account 39028, held by 888 UK Limited, and carries the standard set of products: pre-match and in-play betting, Cash Out, Bet Builder, racing streams, BetFinder form tools, a live bet feed and daily boosted odds. The mobile app is the primary surface, the live feed is the headline feature, and the racing streams are a serious part of the offer. The everyday product is the steady one; the welcome offer is the headline.

The case for 888sport is the live feed and the Bet Builder overlay, both of which are competitive with the larger generalists. The case against is the everyday price on the bigger football matches, which is sometimes a tick or two off the sharpest in the set. For a punter whose product is in-play football and a daily acca, 888sport is a serious option; tennis fans, however, will find superior odds elsewhere.

Geoff Banks — the app-first racing and ante-post shop

Geoff Banks runs under Gambling Commission account 54095, held by GB Sports Advisors Limited, and the product is the app: live in-play prices and ante-post prices on future events. The brand is small, the product is focused, and the racing and ante-post offering is the reason a punter opens the app. The welcome offer is modest and the everyday product is the substance.

The case for Geoff Banks is the ante-post book, which is the kind of book the larger generalists do not always carry at depth. The case against is the product surface: a punter whose betting is across multiple sports is not well served by a brand whose product is concentrated on racing and ante-post. For a serious ante-post punter on the bigger racing festivals, the app is worth a place in the rotation; for those seeking a broad football-acca market, it is not the most suitable platform.

BoyleSports — the steady generalist with a punchy welcome

BoyleSports runs under Gambling Commission account 39469, held by Boylesports Enterprise, and the welcome offer for UK players is £20 in free bets when a £10 bet is placed (€30 in free bets for a €10 bet for Irish players). The everyday product is the steady generalist: football, horse racing, GAA, and the major US sports. The product is competitive in Ireland, where the brand has a longer history, and the UK product is the same shape with a smaller market share.

The case for BoyleSports is the welcome offer and the everyday product, both of which are competitive with the larger brands. The case against is the in-play feed, which is functional rather than premium. For a punter who wants a steady generalist with a punchy welcome, BoyleSports is a serious option; tennis and golf enthusiasts may find more specialised data elsewhere.

Hollywoodbets — the acca-back welcome and the South African product

Hollywoodbets runs under Gambling Commission account 53028, held by Hollywoodbets International UK Limited, and the sports welcome offer is the stake back as a free bet of up to £30 on the first qualifying losing accumulator (3+ legs, odds of 4/1 or greater, settled within 7 days); one free bet per customer. The product surface is the app, the everyday book is solid on football, horse racing and the major US sports, and the brand’s history is in South African racing.

The case for Hollywoodbets is the acca-back welcome offer, which is a different shape from the stake-back free bets elsewhere in the set. The case against is the in-play depth, which is good but not elite. For those who time their welcome offer for the season’s opening acca, this site is a logical choice; high-volume live bettors, however, should check the larger generalists.

Dabble — the social-feed brand with the £10-for-£10 welcome

Dabble runs under Gambling Commission account 65677, held by Dabble Sports UK Ltd, and 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. The product is the social feed, where punters share bets, copy each other’s selections, and follow tipsters whose bets are visible. The everyday product is the steady one; the social layer is the substance.

The case for Dabble is the social feed, which is the cleanest in the set and the part of the product that has no real equivalent at the larger generalists. The case against is the everyday price on the bigger football matches, which is sometimes a tick or two off the sharpest. If the social layer and straightforward acca flow appeal to you, Dabble is an excellent choice; if you require the deepest in-play markets, look elsewhere.

Matchbook — the betting exchange that ate Betdaq

Matchbook runs under Gambling Commission account 39504, held by Triplebet Limited, and the licence is both a remote general betting standard (real events) licence and a remote betting intermediary licence. The product is the exchange, where backers and layers set prices and the operator takes a commission on net winnings. The Betdaq brand has been acquired by Triplebet Limited, and Betdaq accounts will not transfer to Matchbook; the two brands are run by the same company, but the customer bases are separate.

The case for Matchbook is the exchange, which is the cleanest “set your own price” product in the UK market. The case against is the everyday product, which is thinner than the generalists’ because the exchange is the focus. If you prefer to set your own odds and wait for liquidity, this is your best option; those requiring a traditional, deep sportsbook should opt for a generalist firm.

Spreadex — the spread betting and fixed-odds hybrid

Spreadex runs under Gambling Commission account 8835, held by Spreadex Limited, and the platform carries both FCA-regulated spread betting and Commission-regulated fixed-odds betting. The spread betting product is the headline: the punter bets a stake per point of movement, and losses can exceed the deposit. The fixed-odds product is the secondary surface, with the standard book of sports markets.

The case for Spreadex is the spread betting product, which is the only FCA-regulated offering in the comparison and the one that is genuinely different from the rest. The case against is the complexity, which is real: spread betting is a different contract from fixed-odds betting, and the tax treatment of the two is different. Spread betting pros will find this platform highly effective; beginners looking for a simple fixed-odds experience should stick to the mainstream bookmakers.

BetVictor — the racing specialist with the form tools

BetVictor runs under Gambling Commission account 39576, held by BV Gaming Limited, and the racing offering is the headline: Best Odds Guaranteed on UK and Irish horse racing, enhanced live race streaming, a BetFinder feature for racing bets, and Smart Stats form tools. The everyday product is the steady generalist, with football, tennis and the major US sports alongside the racing book.

The case for BetVictor is the racing product, which is the most substantive in the comparison: BOG, live streaming, the form tools, and a BetFinder that does the work of finding the day’s value bets. The case against is the in-play feed on football, which is reliable but not market-leading. Serious racing punters will find this platform essential; football fans focused on live play should weigh other options.

Octobet — the punchy welcome with a casino bonus attached

Octobet runs under Gambling Commission account 62545, held by Octopus Game Limited, and the sportsbook welcome offer is 50% back as a free bet up to £50, plus a £10 casino bonus for new customers. The mixed-product offer is the part the bonus-cap regime has not stopped, because the regime is about the multiplier on the bonus, not the structure of the offer. The everyday product is the steady one; the welcome is the headline.

The case for Octobet is the welcome offer, which is the most generous in the comparison on the headline number. The case against is the everyday product, which is solid rather than best-in-class, and the casino bonus, which is the kind of add-on a punter who is only interested in sports betting has to be careful with. For a punter who is happy to take the casino bonus and play through it, the headline is the right shape; for a punter who only wants the sports product, the headline has more to ignore than the other offers in the set.

Bet Ahoy — the split £5+£5 free bet

Bet Ahoy runs under Gambling Commission account 100094, held by Bet Ahoy Ltd, and the welcome offer is “Bet £10 & Get £10 in Free Bets”, made up of a £5 sports bet and a £5 acca. The split is the part that is different from the rest of the comparison: a sports single and a small acca, both as free bets, both stake-not-returned. The everyday product is the steady one.

The case for Bet Ahoy is the split welcome, which lets a punter place a single and a small acca rather than a single free bet that has to be used in one go. The case against is the everyday product, which is reliable rather than premium. Those interested in the split-bet strategy will find this welcome offer useful; those looking only for a standard single bet will find it slightly more complex.

What a price really contains: a worked example

A two-way market at decimal odds of 1.90 and 1.90 is the cleanest example of a margin. The reciprocal sum of 1/1.90 and 1/1.90 works out to about 1.0526, and the implied payout share is 1 divided by that sum, or roughly 95%. The margin is 1 minus the payout share, or about 5%. The 5% is the bookmaker’s cut on a perfectly symmetric two-way market; in practice, real markets are not symmetric, and the margin is the same shape but the prices are not.

A band of 4% to 6% is the typical margin on a competitive two-way market at a UK-licensed bookmaker, with the tight end at the sharpest firms on the deepest markets and the loose end at the smaller firms on the thinner markets. The 5% is the midpoint of the band, and the band is the honest answer to “what does a price really contain”: roughly 4% to 6% on the everyday markets, with the tightest prices on the Grand Slams and the loosest prices on the smaller leagues. The number is the bookmaker’s cut on every unit bet on the market, and it is the reason the same punter, with the same bet, has a different long-term result at two different firms.

The arithmetic is the same on a three-way 1X2 football market, where the three prices on a home win, a draw and an away win have a reciprocal sum of more than 1.0 and a margin of around 5% to 8% on a top-flight match. The 5% on the two-way market is a soft example; the 1X2 margin is a real-world example, and the difference is the third outcome, which is harder to price and where the bookmaker keeps a slightly larger cut.

The practical use of the band is to compare two firms. A firm whose Premier League 1X2 margins sit at 5% to 6% is cheaper than a firm whose margins sit at 7% to 8%, and the difference compounds across a season of bets. The band is also a check on the bookmaker’s “best odds” marketing: the best odds on a market are still inside the bookmaker’s margin, and the punter who takes them is still paying the bookmaker’s cut on every bet.

The offshore alternative, in plain terms

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 (on summary conviction up to 51 weeks’ imprisonment, a fine up to level 5, or both; six months in Scotland) — aimed at the operator. No offence aimed at a customer who merely bets on an unlicensed site was found: the loss is the practical protection, not the criminal record.

The honest framing is that a licensed operator offers checks, limits, GAMSTOP, the bonus cap, and the ADR route, but also verification before the first bet. An unlicensed operator offers none of those protections and the possibility of funds being withheld, with no British consumer redress. The customer’s winnings are still untaxed in either case, because the tax treatment is set by the customer’s residence; but the practical protections and the practical enforcement are absent at the unlicensed site. Neither is “the safe choice” by default; the choice is between a regulated market with a real compliance regime and an unregulated market with none.

Enforcement against unlicensed operators is disruption, not blocking: 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. Never write that ISP blocking is currently in operation. The unlicensed site a punter can reach today is one the regulator has not yet disrupted, and that is a moving target. A punter who uses an unlicensed site is using a product the regulator is trying to shut down, with the operator’s solvency and the customer’s funds as the only safety net.

The short version, by punter type

The ten brands are not interchangeable, and the comparison the table starts is the comparison the verdicts close. The punter whose product is the in-play football feed and the broadest player-prop depth goes to bet365. The punter whose product is the racing book and the form tools goes to BetVictor. The punter whose product is the social feed and the copy-the-tipster layer goes to Dabble. The punter whose product is the exchange and the cleanest “set your own price” surface goes to Matchbook. The punter whose product is the spread betting contract goes to Spreadex. The punter whose product is the ante-post book on the bigger racing festivals goes to Geoff Banks. The punter whose product is the steady generalist with a punchy welcome goes to BoyleSports. The punter whose product is the acca-back welcome and the South African racing history goes to Hollywoodbets. The punter whose product is the broadest live feed at a non-bet365 price goes to 888sport. The punter whose product is the split free bet goes to Bet Ahoy. Octobet is the choice for the casino-bonus-savvy punter, though one should read the terms on that bonus with care.

FAQ

Where to compare online betting odds?

The honest comparison is a price-comparison site that pulls the same market from several bookmakers at the same moment, alongside the bookmaker’s own site for the price the bookmaker is willing to take. The market moves between the two, and the punter’s edge is in the time between the price-comparison snapshot and the bet being placed. A punter who treats the comparison site as the price and the bookmaker as the place to bet is using the right tool for the right job.

How to compare betting odds?

The comparison is on three things: the price, the market, and the bookmaker’s margin. The price is the number the bookmaker pays back per pound staked; the market is the event the price is on; the margin is the gap between the price and the fair market, which is the bookmaker’s cut. Two prices on the same market at the same bookmaker are not the same comparison, and two prices on different markets at the same bookmaker are not the same comparison. The shape of the comparison is the price, the market, and the margin, in that order.

How to compare betting site features?

The features a punter actually uses are the in-play feed, the Bet Builder, the Cash Out, the racing streams, the form tools, the mobile app, and the payment methods. Every licensed UK bookmaker carries the first three; the depth varies, and the depth is the comparison. The racing streams and the form tools are the racing-specialist features, and the mobile app is the surface most bets are placed on. The features the marketing leads with are the features the punter uses least, and the features the punter uses most are the ones the marketing mentions last.

How can it be checked that a bookmaker holds a Gambling Commission licence?

The Commission’s public register, searchable by business name, trading name, domain or account number, is the whole test. The register shows the licence number, the categories on the register, the licence holder, and the status. A brand whose domain is on the register, against a licence holder with an active licence for the relevant category, is licensed. A brand whose domain is not on the register, or is on the register under a category that does not cover the product, is not licensed. A licence number on the operator’s site is a starting point, not a conclusion; the register is the conclusion.

How is the return on a bet worked out from the stake and the odds?

The return is the stake multiplied by the decimal odds, and the net profit is the stake multiplied by the decimal odds minus one. A £10 bet at decimal odds of 3.00 pays back £30 (£10 stake plus £20 profit); a £10 bet at 1.50 pays back £15 (£10 stake plus £5 profit). For a combination bet, the decimal odds of the legs multiply into one price: a double at 3.00 and 2.50 is a 7.50 shot, and a £10 bet pays back £75. The arithmetic is the same on a single and on a combination, and the difference is the product of the legs.

What is the bookmaker’s margin and how can it be seen in the odds?

The margin is the cut the bookmaker keeps on a market, expressed as a percentage of the stake. It is the gap between what a fair market would pay and what the operator offers, and it sits inside every price on the market. The arithmetic is the reciprocal sum of 1/odds on every outcome of the market, inverted to give the implied payout share; the margin is 1 minus that share. A two-way market at 1.90 and 1.90 has a reciprocal sum of about 1.0526, a payout share of about 95%, and a margin of about 5%. A three-way 1X2 football market has the same shape with three prices, and the margin sits between 5% and 8% on a top-flight match. The margin is the bookmaker’s cut on every unit bet on the market, and it is the reason two firms on the same event have a different long-term result.

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