1. Betting Sites
  2. Best Odds Guaranteed

UK betting sites with best odds guaranteed 2025

Our UK betting sites with best odds guaranteed list currently shows 14 fully licensed and regulated bookmakers offering the best odds guaranteed betting feature at their website.

Hollywoodbets logo

Hollywoodbets

Hollywoodbets betting site on a mobile device
Key features
Betting apps available on
Up to £30 Free Bets For New Customers
T&C's Apply. New players only. Min. £10 deposit required via VISA/Mastercard. Stake Min. £10 at min. odds of 1.5 (1/2) within 3 days of registration. Within 3 days of registration, place a second and third minimum £10 qualifying bets on Racing Markets at minimum odds of 1.5 (1/2) that subsequently resulted as a loss. £30 Back Free Bets credited for the bet resulted as a Loss + 20 Free Spins on John Hunter and the Book of Tut Respin. Max £30 Free Bets per player. Only the first, second and third bets placed by the player will qualify for this promotion. Free bet only valid on Multiple with 3+ legs. Free Bet Min. odds 3.0 (2/1). Free Bet Min. odds per leg 1.4 (2/5). Free bet valid for 3 days.
Checkmark License no. 53028
Betfred logo

Betfred

Betfred betting site on a mobile device
Key features
✰ Betfred have been bookmakers for over 50 years and operate over 1000 betting shops dotted around the UK along with a top flight betting site.
Betting apps available on
No Offer For New Customers
Checkmark License no. 39544
Geoff Banks logo

Geoff Banks

Geoff Banks betting site on a mobile device
Key features
Betting apps available on
Up to £500 Bonus For New Customers
Use code "REG500" to sign up for a new Geoff Banks Online account and get up to £500 refunded as real money after your first month. Geoff Banks Online will return 10% of net losses (stakes minus payouts) made in the first month, with a maximum rebate of £500 per customer. The rebate will be calculated and credited by the 32nd day following account opening. Refunds are real money, not free bets, and may be withdrawn. A minimum of 10 settled wagers within the first month is required. This offer cannot be combined with others and may be restricted or canceled at Geoff Banks Online's discretion. General Terms and Conditions apply. 18+
Checkmark License no. 54095
VBet logo

VBet

VBet betting site on a mobile device
Key features
Betting apps available on
Up to £20 Free Bet Free Spins For New Customers
Checkmark License no. 44662
talkSPORT BET logo

talkSPORT BET

talkSPORT BET betting site on a mobile device
Key features
Betting apps available on
Up to £30 Free Bet For New Customers
18+ New customers only. Opt in & bet £10+ on any sports at 2.00+ odds within 7 days. No Cash out. Get 3x £10 Free Bets on selected markets. Free bets expire in 7 days. T&Cs apply. GambleAware.org | Please gamble responsibly
Checkmark License no. 39576
Bet365 logo

Bet365

Bet365 betting site on a mobile device
Key features
One of the worlds best betting companies that offers everything you need and more to place bets and new customers get £30 in free bets!
Betting apps available on
Up to £30 Free Bets For New Customers
Min deposit requirement. Free Bets are paid as Bet Credits and are available for use upon settlement of qualifying bets. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Registration required. Time limits and T&Cs apply.
Checkmark License no. 55148
William Hill logo

William Hill

William Hill betting site on a mobile device
Key features
William Hill is by far one of the UK’s leading sports betting sites, renowned for its history in bookmaking. Offers an excellent online betting service with some of the best features in the industry, along with attractive promotions for both new and existing customers.
Betting apps available on
Up to £10 Free Bet For New Customers
18+. Play Safe. Online only. New UK customers only. Re-registered not eligible. Runs from 14:00 04/04/25 to 16:00 05/04/25. Min £10 real money bet on any sportsbook market (Excludes Virtual) at odds of 2.0+ on singles or accas only (complex multiples excluded). 1 Free Bet per customer, credited once qualifying bet settled on Sunday 06/04/25, to use on any sportsbook market, expires on 06/05/25. Full Ts&Cs apply. #ad
Checkmark License no. 39225
Coral logo

Coral

Coral betting site on a mobile device
Key features
One of the UK's most well-known bookmakers, with many features to make your betting enjoyable. New users get £20 in free bets!
Betting apps available on
Up to £20 Free Bet For New Customers
18+ New UK+IRE Customers. Certain deposit methods & bet types excl. Min first £5 bet within 14 days of account reg at min odds 1/2 to get 1x £20 free bet. Free bet available to use on selected sportsbook markets only. Free bets valid for 7 days, stake not returned. Restrictions + T&Cs apply
Checkmark License no. 54743
Ladbrokes logo

Ladbrokes

Ladbrokes betting site on a mobile device
Key features
Ladbrokes, pioneers of UK bookmakers since 1886, offers innovating betting products and new customers can get £20 free bets!
Betting apps available on
Up to £20 Free Bets For New Customers
18+ New UK+IRE Customers only. Certain deposit methods & bet types excl. Min first £5 bet within 14 days of account reg at min odds 1/2 to get 4x £5 free bets. Free bets available to use on selected sportsbook markets only. Free bets valid for 7 days, stake not returned. Restrictions + T&Cs apply.
Checkmark License no. 54743
AK Bets logo

AK Bets

AK Bets betting site on a mobile device
Key features
AK Bets has some great daily betting offers along with some of the best odds you will find for the biggest sporting events!
Betting apps available on
Up to £100 Free Bet For New Customers
Applies to new UK/IRE customers who sign up with promo code AKACCA100. Place your first bet as a multiple (minimum 3 selections) and AK Bets will boost the profit gained on that initial bet by 25% in the form of a Free Bet up to a value of £100. 18+ GambleAware.org
Checkmark License no. 9177
BoyleSports logo

BoyleSports

BoyleSports betting site on a mobile device
Key features
Betting apps available on
Up to £25 Free Bet Bundle For New Customers
18+. UK Customers (Excluding NI) only. Cash stakes only. Min £10 stake required for initial £5 free bet. Min odds ½. Max £25 in free bets. Subsequent free bets equal 50% average of each 3 £5 max qualifying bets. 13 settled bets required to receive full £25 free bet. Qualifying bets must be placed on sportsbook within 30 days of opening account. Cashed out bets will not qualify towards your average stake. One free bet offer per customer, household or IP address only. Free bet expires after 7 days. Payment method restrictions apply. T&Cs apply
Checkmark License no. 39469
LiveScore Bet logo

LiveScore Bet

LiveScore Bet betting site on a mobile device
Key features
Betting apps available on
No Offer For New Customers
Checkmark License no. 56859
BetVictor logo

BetVictor

BetVictor betting site on a mobile device
Key features
BetVictor offers excellent odds, fast payouts, a user-friendly interface, and a has had a trusted reputation in betting for over 60 years!
Betting apps available on
Up to £10 Free Bet For New Customers
18+ Opt in & bet £10+ on any race taking place at Aintree on 05.04.2025 by 17:35 UK Time. Get £10 in Horse racing Free Bets. No cashout. Free bets expire at 23:59 UK time on 06.04.2024. Click for T&Cs. gambleaware.org
Checkmark License no. 39576
BetGoodwin logo

BetGoodwin

BetGoodwin betting site on a mobile device
Key features
Join BetGoodwin today and claim a £25 free bet for new customers. Superb for horse racing betting and racing offers!
Betting apps available on
Up to £25 Free Bet For New Customers
Minimum stake to qualify for this offer is £10 win or £10e/w. Excludes multiple bets such as lucky 15s etc. Does not apply to ante post markets. Applies to cash stakes only and win part of stake. T&Cs apply 18+
Checkmark License no. 2927