SBK Review
Bet £20, Get £60 in Free Bets
18+ New UK customers only. Min £10 first deposit. Place a bet of £20 at min odds of 2/1 (3.0) and get £50 in Free Bets within 48 hours. Qualifying deposit methods: debit card, bank transfer or Trustly only. Free bet tokens require a minimum of 5 legs and expire 5 days after crediting. Restrictions apply. Full T&Cs apply. BeGambleAware.org
PROS & CONS
- Exchange-powered odds that regularly beat the biggest bookmakers in the UK market
- Transparent Price+ comparison tool
- Community Bet Builder
- No account restrictions
- Outstanding app
- No casino, poker, virtual sports or non-sport betting products
- Ongoing promotions are thin
- Customer support not available 24/7
KEY INFORMATION
SBK Review 2026 - Sportsbook, Odds, Promos and Everything you Need to Know
Bookies have been doing the same thing for decades. As such, SBK arrived a few years ago with a clear goal to shake up the order with the odds they have on offer. A bold claim, of course, but one that they have acted on well since making it.
SBK was born as Smarkets in London back in 2008, which was founded by Jason Trost and Hunter Morris who were aiming to build the tech-savvy cousin of the more established Betfair. Smarkets was a traditional betting exchange and launched in 2010 with just 2% commission being charged on winnings against Betfair's 5%. That mighty undercut paved their way to success and popularity, and expanded into the fixed-odds world in 2019 by launching SBK, having handled £14b of bets beforehand.
In the traditional bookie, they will add their own margins into every market they offer a price for. SBK, however, operate on a much thinner model of profit for themselves, and that shows in the constantly-generous odds they have on offer. It's a pure-sports bookie with no casinos or virtual bingo halls, but the ethics they are built on and the experience they hold in making that work makes SBK a brilliant bookie to add to your pile.
This review covers everything you need to know about SBK as of July 2026 - the welcome offer, how to join, the sportsbook and key features, odds, payment methods, security and everything else you need to know.
Welcome Offer - What Does SBK Currently Give New Customers?
SBK's current welcome offer, as ofJuly 2026, is Bet £20, Get £50 in Free Bets. It is the biggest headline value available on the platform to date and arrives as a staged package of free bet tokens rather than a single lump sum.
To claim it, deposit a minimum of £10 using a qualifying payment method, place a single bet or multiple of £20 or more at minimum odds of 3.0 (2/1), and SBK will credit you with £50 in free bet tokens within 48 hours of your qualifying bet settling. The tokens are distributed in stages, so a portion lands shortly after settlement, with additional tokens arriving at 24 and 48 hours.
The £50 arrives as a set of individual tokens, each requiring a minimum of five legs and designed for use on Bet Builders or Multiples. One token is restricted specifically to horse racing multiples. All tokens expire five days after being credited.
There are a few important things to flag upfront. First, the qualifying payment methods are debit card, bank transfer or Trustly only, so PayPal, Skrill, Neteller, Revolut and prepaid or virtual cards do not qualify for the welcome offer. Second, the five-leg minimum on every token is a restriction that catches plenty of new customers out. If you mainly bet on singles, you will find these tokens hard to use effectively. Third, minimum odds of 3.0 on the qualifying bet is a tougher requirement than most rivals - Betfred requires Evens (2.0) for instance. You are not going to trigger this by backing a short-priced favourite for a quick payday.
No promo code is required at any point in the registration or claim process. The offer is available automatically to eligible new UK customers who sign up during the promotional window.
18+ New UK customers only. Min £10 first deposit. Place a bet of £20 at min odds of 2/1 (3.0) and get £50 in Free Bets within 48 hours. Restrictions apply. Full T&Cs apply. BeGambleAware.org.
How to Join SBK - Registration Step by Step
Though SBK are available to play with from a desktop web browser, their true power comes in their fantastic app. As such, that is how we got ourselves set up with them:
-
Download the SBK app from the App Store or Google Play (it's free)
-
Tap 'Join' and complete the registration form with your name, date of birth, email address, phone number and home address
-
Set your responsible gambling preferences
-
Verify your email by clicking the link sent to the address you registered with
-
Make your deposit using a qualifying method (debit card, bank transfer or Trustly for the welcome offer). Minimum deposit is £10
-
Place your qualifying bet - £20 or more at minimum odds of 3.0 on any sport. Your free bet tokens will arrive within 48 hours
Registration takes around two to three minutes and the process is described by many (and us) as one of the smoother sign-up experiences in the current UK market. Identity verification will be required before your first withdrawal, so having a photo ID and proof of address to hand saves time when you want to cash out.
What is SBK and How Does the Pricing Work?
It is worth spending a moment on why SBK's odds are different from what you get at a conventional bookmaker, because it is the central selling point of the whole product.
At a traditional bookmaker the trading team sets the prices. They build a margin into every market, meaning the odds on all outcomes in a given event add up to more than 100% implied probability. That margin is how the bookmaker makes money, and it typically runs somewhere between 5% and 12% depending on the event and competition level.
SBK uses Smarkets' exchange pricing as its basis for setting odds. The Smarkets exchange matches bettors against each other rather than against the house, and because the exchange takes only a small commission rather than building overround into every price, the odds it produces are closer to true market value. SBK takes those exchange-derived prices and applies its fixed-odds product on top, resulting in margins that are regularly lower than what you get from the major traditional bookmakers.
If that didn't make sense I shall simply put it like this - SBK's odds are top-drawer, and consistently so, which comes from them deliberately making themselves less money at the expense of the player.
The Price+ feature makes this tangible in real time. A green indicator appears next to any selection where SBK's price is the best available when checked against seven major UK competitors, which are Sky Bet, Ladbrokes, Coral, Betway, BetVictor, Paddy Power and William Hill. The comparison updates every 30 seconds. No other UK bookmaker publicly shows you when a rival has a better price on their own platform, and that transparency alone says plenty about how SBK positions itself.
In testing across Premier League and Champions League markets, SBK's prices have consistently come out better than those of rival bookmakers on the same fixtures. The difference on any individual bet is often modest, but across a season of regular betting it compounds significantly.
The Sportsbook - Sports, Markets and Football Coverage at SBK
SBK covers around 30 sports, with football and horse racing as the clear priorities. That is a narrower offering than the biggest bookmakers, but the focus means the markets within those headline sports are deep and well-priced. Therefore, we don't mind that as much.
Football is the backbone of the product. Premier League, Championship, Champions League, La Liga, Serie A, Bundesliga and Ligue 1 are all covered comprehensively, along with lower English leagues including the Isthmian and Southern leagues which marks strong depth for a sportsbook of SBK's size. Within those competitions, the range of markets is strong: match result, goals, Asian handicaps, player props (goals, shots, cards), team corners, and more. The Bet Builder works across all the major competitions and combines these markets cleanly within a single game.
Horse racing is covered well, with all UK, Irish and French meetings available. The important caveat is that SBK is win-only on racing, so no each-way betting. That is a significant structural difference from most UK bookmakers and is worth knowing before you join. The upside is that win-only markets tend to have sharper odds than each-way equivalents, which fits SBK's broader pricing philosophy. There is no Best Odds Guaranteed either, so the competitive pricing needs to stand on its own merits rather than being backed by a safety net.
Beyond football and racing, you will find tennis (including Wimbledon, the US Open and Grand Slam events), cricket (Tests, T20s, IPL and Ashes), basketball (NBA and EuroLeague), American football, golf, rugby, boxing, snooker, darts and esports. The coverage is functional and covers what most UK punters are looking for, though niche sports are thinner than at the very biggest operators.
One thing SBK does not offer is political or entertainment betting. SBK keeps its focus on sport only, which is a deliberate choice rather than an oversight.
Standout Features on SBK
This is where SBK separates itself from the majority of the UK online gaming pack. Several of the features built into the app are original and, frankly, bloody good.
Fresh Legs is the standout. If you place a player-specific bet such as goalscorer, shots on target, cards, assists and so forth, and your selected player is substituted before the relevant action occurs, the bet automatically transfers to the substitute who comes on. It applies to singles and Bet Builders across a wide range of football markets and leagues. It is a feature that the biggest bookies are starting to offer, but not all of them have this and it removes one of the most annoying experiences in football betting.
The Community Bet Builder shows you popular Bet Builders created by other SBK users at the top of the app. You can browse selections made by fellow punters, read brief notes on their thinking and add their combination to your own bet slip in one tap. It is part research tool, part social feature, and it adds a very unique layer to an already-comprehensive dossier of betting methods.
Bet Feed is another social layer of the app. You build a betting profile, share your tips with written reasoning, follow other bettors and track their results. There is also The Assist, which is when another user copies your tip and you earn free bets. It turns placing bets into something closer to a community activity, which might appeal to you (or not, but we loved it).
Auto Acca generates a suggested accumulator for you based on upcoming fixtures. You can spin through several generated options before settling on one. It is a time-saver for punters who want a quick multiple without building it manually from scratch.
Acca Boost applies automatically to qualifying accumulators of three or more legs with no opting in required. The boost percentage scales with the number of legs and can reach up to 100% on the highest-leg multiples. The maximum daily payout from an Acca Boost winning bet is £250,000.
Price Alerts notify you when odds move in your favour on a market you have been watching. Combined with the Price+ comparison tool, it makes SBK a useful information hub as well as a place to bet.
Save My Bet Insurance provides partial returns if one leg of a qualifying bet loses which is a feature added recently alongside the new World Cup Hub, which gathers all tournament matches, outright markets and live betting into a single section.
Odds Quality At SBK
The short answer is yes, more often than not, and more so on football than on other sports.
In Premier League match odds, SBK's overround has consistently tested lower than the major traditional bookmakers when compared across the same fixtures. On outright markets such as World Cup group winners, top scorer, champion, stage of elimination, we found SBK pricing that noticeably beats a lot of the big boys in this space. The exchange-backed structure means the prices are set by player intrigue and speculation rather than by a trading team trying to protect profits, and that makes a whopping difference.
For horse racing, win-only pricing tends to be sharper than each-way equivalents at the same bookmaker, so the absence of each-way markets is partly compensated for by better win prices. That said, without Best Odds Guaranteed, taking an early price on a horse carries more risk than it will at others where an each-way market might be present.
It is also worth flagging that, like any bookmaker, SBK is not the best price on every market every time. The Price+ feature is entirely transparent about this, in that it actively flags when a rival has a better number. That honesty is refreshing and pretty unique in the UK space, but it does also confirm that SBK is not infallible on pricing.
Mobile Betting at SBK
SBK is a heavily app-focussed product and everything about how the platform has been built reflects that. There is a desktop betting site, but the app across both iOS and Android devices has been the main focus for a demographic who prefers to gamble on the move. The site is functional, but the best experience will be found through the app.
That being said, the app is excellent. Reviews across both the App Store and Google Play are strongly positive, with the iOS app rated 4.6 stars and Android at 4.5 across thousands of reviews. The consistent themes in user feedback are speed, a clean and uncluttered layout, and how quickly you can get to the market you want.
The dark theme design makes for comfortable browsing in low light. Navigation between sports, leagues, live betting and your bet slip is fast and intuitive. The Bet Builder is well integrated, meaning that selecting markets from a match and combining them into a single bet is a few taps, not a multi-step process. In-play odds refresh quickly, the interface stays responsive under a heavy load of traffic, and the live match visualiser provides real-time match event tracking even where no stream is available.
Live streaming is available for all UK, Irish and French horse racing and greyhound meetings directly within the app which is an improvement on earlier versions of the platform that notably lacked any streaming capability. For football and other sports, the visualiser tracker and live stats serve as the substitute.
SBK Promotions for Existing Customers
This is the thinnest part of the SBK product, to be honest. The operator is clear about this as well, stating that the odds themselves are the ongoing promotion, and a sportsbook that offers consistently sharper prices does not need to paper over that with a daily drip of free bets. That is a solid argument for experienced value bettors, but it will feel a little short-sighted to new punters who are used to the promotional depth of some of the UK's leading operators.
What is available for existing customers includes:
Bet Builder Boosts on selected big football fixtures - typically for Champions League nights, major Premier League weekends and high-profile international matches. A standard example would be a 25% Winnings Boost token for any Premier League Bet Builder, with a maximum stake of £10 at minimum odds of 4/1. These are event-driven and appear in the Promotions section of the app rather than running continuously.
Acca Boost is always on for qualifying multiples, scaling from a modest boost at three legs upward to a maximum of 100% on high-leg accumulators.
Monday Night Football boosted markets appear on selected high-profile Monday fixtures, generally in the form of enhanced Bet Builder pricing.
Weekly wagering rewards - place a qualifying bet volume across the week and receive a free bet. This tends to run periodically rather than being a permanent fixture.
Referral offer - both the referrer and the new user receive a free bet when a successfully referred friend joins and qualifies.
There is no loyalty club, no free bet club format, and no tiered VIP structure. For bettors whose weekly routine includes picking up regular loyalty bonuses from their bookmakers, SBK will feel noticeably different in that regard.
Available Payment Methods at SBK
SBK has a meaningfully broader payment menu than some of its rivals in the UK market, which is a big plus given how many bookmakers have been cutting their e-wallet options.
Deposit methods available at SBK include:
-
Visa and Mastercard debit cards
-
Bank transfer
-
Trustly (instant bank transfer)
-
PayPal
-
Skrill
-
Neteller
All deposits are processed instantly with the exception of bank transfer, which takes three to five business days. The minimum deposit across all methods is £10, with maximum limits varying by method (PayPal caps daily deposits at £200, Skrill and Neteller at £5,000).
Withdrawals are available via the same methods, with the following rough timeframes:
-
Instant Bank Transfer (Trustly): under 12 hours
-
PayPal, Skrill, Neteller: up to 48 hours
-
Visa/Mastercard: one to six working days
-
Bank transfer: five to ten working days
The minimum withdrawal across most methods is £10, rising to £20 for Trustly and bank transfer.
One thing to be clear about: e-wallets, so PayPal, Skrill, Neteller and Revolut, do not qualify for the welcome offer. If you want the free bets, your deposit must come via debit card, bank transfer or Trustly. For ongoing deposits and withdrawals after that, e-wallets work fine.
SBK also holds all UK customer funds in a separate trust account (Smarkets (Clients) Limited) which exists solely to hold customer money. This is a higher level of fund protection than the standard UKGC "segregated" category and means your funds are ring-fenced from the company's operating capital regardless of what happens to the business.
Security, Licensing and Responsible Gambling at SBK
SBK is licensed and regulated by the UK Gambling Commission, the standard that every legal UK bookmaker must hold. The platform is operated by Smarkets Limited, which is also licensed by the Malta Gaming Authority for non-UK markets.
Security on the app uses Transport Layer Security (TLS) and SSL encryption across all transactions. Two-factor authentication is supported and recommended. The app is reviewed and approved by both the App Store and Google Play, which adds an additional layer of security vetting on top of the regulatory requirements.
Responsible gambling tools are all accessible from the settings menu in the app and include deposit limits, loss limits, session reminders and full self-exclusion. SBK is registered with GAMSTOP, the UK's national self-exclusion service. The platform prompts you to set deposit limits during the registration process itself before you have deposited a single penny which is good practice.
Customer Support With SBK
SBK offers several ways to get in touch:
-
Live chat (in-app, available for logged-in users)
-
Email - [email protected]
-
Twitter/X (@sbk)
-
In-app FAQ section
The only real issue with SBK's customer service is that support is not available around the clock. Operating hours run broadly from 9am to 11pm GMT, which covers most of the UK betting day but leaves late-night in-play bettors without live assistance. The FAQ section within the app handles common queries reasonably well and should be the first port of call for straightforward questions.
Our Final Verdict on SBK
SBK is a different kind of bookmaker, and that means it suits a specific kind of bettor.
If you bet regularly on football and horse racing, are always on the hunt for the best possible price and are comfortable using a mobile app for everything, SBK belongs in your toolkit. The odds are better than most conventional alternatives most of the time, Fresh Legs is one of the most thoughtful features in UK sports betting, and the Community Bet Builder and Bet Feed give the app an energy that standard sportsbooks completely lack.
The Price+ comparison tool deserves a special mention as well. Showing you in real time when a competitor has a better price, on your own platform, is a level of transparency the established bookmakers would never consider. It is a strong statement about what SBK is here to do.
But SBK is not for everyone, and the product has clear limits. There is no casino, no each-way racing, no Best Odds Guaranteed and no loyalty programme. The welcome offer free bets are structured in a way that makes them a little tricky to use if you do not build high-leg accumulators consistently. And the ongoing promotions calendar is thin enough that punters who enjoy a weekly free bet or daily odds boost may find SBK underwhelming as a primary bookmaker.
The smart move for most UK punters is to treat SBK as a sharp second or third account - somewhere you check for a better price on football before placing your bet elsewhere, and where you keep a balance specifically for Bet Builder markets and accumulator betting. As a primary bookmaker for casual bettors, the gaps are a bit visible. As a value tool for punters who know what they are doing, it is one of the more interesting things to happen in UK sportsbooks in recent years.
18+ New UK customers only. Min £10 first deposit. Place a bet of £20 at min odds of 2/1 (3.0) and get £50 in Free Bets within 48 hours. Qualifying deposit methods: debit card, bank transfer or Trustly only. Free bet tokens require a minimum of 5 legs and expire 5 days after crediting. Restrictions apply. Full T&Cs apply. BeGambleAware.org