We’ve compared the best bookmakers in the UK providing Best Odds Guaranteed (BOG) offers to customers and ranked them based on the number of BOG offers, their signup bonuses, ease of betting and how trusted they are.
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Open Account Offer: bet £10 Get £30
Valid Today
Min deposit requirement. Free Bets are paid as Bet Credits and are available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Registration required. Time limits and T&Cs apply. #ad | T&C apply |
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Bet £10 Get £40
Valid Today
New cust. Deposit £10+ in 7 days & bet on sports. Min odds apply. Reward = 4 x £10 Free Bets (2 x £10 Bet Builders & 2 x £10 Sports bet). Valid 7 days. Free bets not valid on e-sports & non UK/IE horse racing. 18+. T&Cs apply. 18+ GambleAware.org | T&C apply |
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50% Back as a Free Bet up to £25 on First Day Losses
Valid Today
New customers only, 18+, 3 bets of £10+ at odds of evens or greater. Max Free Bet: £25, credited within 24 hours. Free Bet valid for 7 days. T&Cs Apply. BeGambleAware.org | T&C apply |
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Bet £10 get £30
Valid Today
18+. Play safe. New customers using Promo code H30 only, Min £10/€10 stake, min odds 1/2, free bets paid as 2 x £15/€15, free bets credited after settlement of first qualifying bet, free bets will expire 30 days after the qualifying bet is placed, payment method/player/country restrictions apply. | T&C apply |
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Bet £10 Get £30
Valid Today
*New members only. £10+ bet on sports (ex. Virtuals) 1.5 min odds, settled in 1st 14 days. Free Bets: accept in 7 days, valid 7 days; £20 use on sportsbook, £10 on Bet Builder. Stake not returned. T&Cs + deposit exclusions apply. Bet Responsibly. GambleAware.org. 18+ | T&C apply |
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Get £10 Weekly Free Bets
Valid Today
Punters can receive up to £10 in free bets per week with the loyalty bonus. Place 5 x £5+ bets for a £5 Free bet. Place 10 x £5+ bets and receive a further £5 free bet. | T&C apply |
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Bet £20 Get £25
Valid Today
18+ | New UK customers only. Bet £20+ at min odds 2.00 to get 5 x £5 Free Bets (1 per day). Free Bets expire 24h after issue. T&Cs & payout limits apply. BeGambleAware.org. | T&C apply |
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Get up to £40 in Football Free Bets
Valid Today
18+ New customers only. Opt in and bet up to £40 (min. £20) via mobile or app on any football (odds 1/1+) within 7 days of registration. Get up to £40 in free bets on selected markets, which expire in 7 days. T&Cs apply. GambleAware.org | Please gamble responsibly. T&C apply |
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Bet £5 Get £20 Free Bets
Valid Today
18+ New UK+IRE customers. Paypal and certain deposit types and bet types excluded. Min €5 bet within 14 days of account reg at min odds 1/2 = 4 x €5 free bets. Free bets valid for 4 days on sports, stake not returned, restrictions apply. T&Cs apply. | T&C apply |
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Bet £10 Get £20
Valid Today
18+. New customers only. Opt in, deposit & bet £10 or more on any sports market at minimum 1/1 odds within 7 days of registration. No cash out. Get £20 in sports Free Bets with 7 days expiry. T&Cs apply, see below. gambleaware.org. | T&C apply |
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£5 Free Bet When You Bet £20
Valid Today
Place a £/€20+ Horse Racing Acca (min 3 legs, odds 1/2+) from 29/09/25 – 02/10/25 & get a £/€5 Free Bet, every day. First qualifying bet only, placed after 12pm on 29/09/25. Free Bet credited by 2pm the day after your qualifying bet has settled, valid for 72 hours. Full T&Cs apply. | T&C apply |
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Bet £5 Get £20 Free bet
Valid Today
18+ Eligible UK+IRE players. Paypal & some deposit & bet types excl. Min first £5 bet within 14 days of account reg at min odds 1/2 = 4x £5 free bets. Free bets valid for 4 days, stake not returned. No cashout, restrictions + T&Cs apply. | T&C apply |
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Bet £10 get £30 Free Bet + £10 Casino Bonus
Valid Today
18+. New UK customers (Excluding NI) only. £40 in FREE Bets (FB) as £30 in sports bets & a £10 casino bonus (CB). Min Deposit £10. Min stake £10. Min odds Evs. FB applied on 1st settlement of any qualifying bet. FB 7-day expiry. 1 FB offer per customer, household & IP address only. Account & Payment restrictions. 14 days to accept £10 CB, then active for 3 days. CB 5x wagering & max redeemable £100. Game restrictions apply. Cashed out/Free Bets won’t apply. 30 days to qualify. | T&C apply |
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Bet £10 Get £50 in Bonuses
Valid Today
New customers only. Register with BETFRED50. Deposit £10+ via Debit Card and place first bet £10+ at Evens (2.0)+ on Sports within 7 days to get 3 x £10 in Sports Free Bets & 2 x £10 in Acca Free Bets within 10 hours of settlement. 7-day expiry. Eligibility & payment exclusions apply. T&Cs apply. | T&C apply |
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Bet £10 Get £10
Valid Today
Min qualifying stake at £10 at odds of 6/4+ excludes Horse and Greyhound racing. Min 4 legs at odds of 1/2 for £10 free acca. 18+. T&Cs apply. | T&C apply |
Reviews of the Best Best Odds Guaranteed Bookmakers:
bet365
Pros
- There are a tonne of betting markets available for participants
- They have a great reputation in the gambling sector
- They’re widely recognised all over the world rather than just in one place
Cons
- Sadly, they do restrict accounts for individuals that win excessively
- They are subject to certain extremely tight national and regional limitations
Due to the many promotions and offers it provides for the sport, Bet 365 is a significant bookmaker on our list of best odds guaranteed bookmakers. They offer a wide range of sports and events as part of their inventory and they provide lots of markets within each sport too. Due to their excellent reputation, they are highly recognised across the world, however if you reside in an unauthorised zone, they do have some tight geographic limits. Additionally, you run the danger of having your account closed if you win too frequently.
BetVictor
Pros
- Compared to their rivals, they have exceptionally good odds values
- They have a great customer support team that is available 24/7
- They also have a cutting-edge mobile app that their customers may use
Cons
- Accounts that are rarely used are closed
- There are limitations on who is eligible to spend their welcome bonus
- They take a while to respond to emails, which is aggravating
Bet Victor is another strong contender on our best odds guaranteed list of bookmakers. They always have great odds on most of their sports and events so you know that even before the BOG promotion you’re getting some of the best in the market. Although they have unfortunately been known to terminate accounts that are not utilised frequently, they have other features that will help you overlook this, plus if you are using your account regularly then you won’t run into this issue. They even have geo-restrictions on which nations are not eligible to benefit from their welcome incentives. Players may even access their well-liked and cutting-edge mobile app to place their stakes on bets while out and about.
BoyleSports
Pros
- Every day of the week, 24 hours a day, the customer service team is accessible
- Their odds are very competitive in the betting industry
- They provide a wide range of sports to wager on.
Cons
- They don't offer any coverage of several well-known sports, including esports.
- There are no football live streams available
Boyle Sports are a fantastic option on our list of best odds guaranteed bookmakers and they even offer live streaming. Luckily for racing fans the live streaming service only covers races and no other sports at this stage. If you’re looking for more niche industries, such as esports, you might have to pass these guys up for the time being. They constantly provide competitive odds for the majority of their sports, which distinguishes them as an excellent option in the market. Additionally, they offer a responsive customer care team that is available 24/7, seven days a week. If you want to gamble on traditional sports, Boyle Sports has you covered.
William Hill
Pros
- They have a huge selection of games and events
- They allow early cash out along with other reload promotions
- They have a great live stream feature on their desktop site
Cons
- Their bonus for new users is not too generous
- They don’t offer live streaming on their phone app at all
- The don’t have the most competitive odds
William Hill is a regular on the best odds betting list due to providing recurring promotions and offers for popular races to their repeat customers. They have a fantastic reputation within the UK & Ireland and are one of the nation’s favourite bookmakers overall. Unfortunately, they don’t have amazing odds for their sports or a generous welcome offer but they do make up for that in other ways and with special features. They always have a huge selection of betting markets and events to choose from and for those fans of racing you can certainly take advantage of their best odds guaranteed offers. Another one of their popular features is the early cash out offer which allows players to withdraw money out early before the event has finished.