10 Best Online Betting Sites UK

18+. New customers only. Registration required. Valid on your first combo bet (minimum 3 selections, minimum odds of 1.40 per selection, minimum bet of £5). If you lose, you receive a 100% refund up to £30 as Free Bet. Free bet valid for 7 days. The Free Bet can be used on a combo bet with at least 3 selections, minimum odds of 1.40 per selection and maximum odd of 6.00, all sports, excluding horse racing and virtual sports. Gambling can be addictive. Terms & Conditions apply. Please play responsibly. BeGambleAware.org

18+ New UK+ROI 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 6 x £5 free bets (selected sportsbook markets only, valid 7 days, stake not returned). Restrictions + T&Cs apply.

New Customers. Min deposit £10 (Excl. PayPal & Paysafe). 3x £10 Free Bets credited within 72 hours of settlement. 100% odds boost token.T&Cs apply.

New customers: Deposit £10+ and place a sports bet within 7 days from registration. Get 4 x £10 Free Bets - 2 x Football Accas (4+) & 2 x Sports Multiples (2+), valid 7 days. Min odds apply. Excludes virtual sports, esports and non-UK/IE horse racing. Opt-in required. 18+. T&Cs apply.

New players. Min Dep £20 (Excl. PayPal & PaySafe). Max Bonus £40 on selected games & 100 Free Spins on Big Bass Splash. Wagering & max win apply.T&Cs apply.

18+ New customers only. Place a £10 sportsbook bet at minimum odds 1/1 (2.0), within 14 days of sign-up and get £40 in Free Bets, valid for 7 days on selected bets. T&Cs apply. BeGambleAware.org

18+ New verified customers only. Opt-in required. Deposit £10 and earn £1 of Free Bet value for every £1 staked on Bet Builders at combined odds of 2.0 (1/1) or greater. Min Reward: £1 Free Bet / Max Reward: £10 Free Bet. Cash in or claim within 48 hours of promo end. Free Bets expire 7 days after claim. GambleAware

New UK customers. Place a £10 real money bet at min. 2.0 odds within 5 days of deposit. Get 4 x £10 Free Bets: 1 Single, 2 Accas & 1 Bet Builder (min. 3 selections each). Excludes cashout, E/W, Multis, Ineligible Markets & Odds Boosts. Credited after bet settlement. 7-day expiry. T&Cs apply. 18+ | GambleAware

18+. New Players Only. Min deposit £20. Offer is a £20 free bet when you bet £20 in one single transaction, on any sports at odds of 2.00 or higher. Free bet credited upon qualifying bet settlement. Free Bet can be redeemed on any sports market and used in one single transaction. Winnings credited as cash and immediately withdrawable. Free bet expires 7 days after being credited. Free Bets non withdrawable. Free Bet stakes not included in returns. Affordability checks apply. Terms apply. Please gamble responsibly. GambleAware.org.

18+ New UK Customers Only. Bet £10+ on any sportsbook markets at odds of evens (2.00) or greater. No cash out. Get 50% back of your first day’s losses (from first bet settlement until 23:59) as a Free Bet up to £50, valid for 7 days. Min. 3 bets on different events required, with 2 bets being at least 50% of your largest stake. Place at least 1 bet of £10+ at odds 2.00+ to receive a £5 Free Bet even if your account is up or losses are under £5. T&Cs Apply. GambleAware.org

18+ New UK + ROI 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 6 x £/€5 free bets (selected sportsbook markets only, valid 7 days, stakes not returned). Restrictions + T&Cs apply.

New customers only. Min £20 bet at minimum odds 1/1 (2.00). Max reward: Four £10 Bet Builder Free Bets. Each Bet Builder Free Bet requires a minimum of 4 legs at combined minimum odds of 3/1 (4.0). Free Bets expire 7 days after credit. 18+. Full T&Cs apply

New customers only. Bets placed on sports at odds of 2.50 or more to qualify. Bet must be placed 25 hours within registration. £25 free bets must be wagered on sports. Full terms below. Gambling can be addictive, play responsibly 18+

18+. New UK customers (Excluding NI) only. Min Deposit £10. Min stake £10. Min odds Evs. Free bet applied on 1st settlement of any qualifying bet. 30 days to qualify. Free bets expire in 7 days. Cashed out/Free Bets won’t apply. Account & Payment method restrictions apply. 1 Free Bet offer per customer, household & IP Address only. T&Cs Apply

New customers only. Register, deposit with a Debit Card, and place a first bet of £10+ at Evens (2.0)+ on Sports, to be settled within 7 days, to get £30 in Sports Free Bets and £20 in Bet Builder Free Bets within 24 hours of settlement. 7-day expiry. Eligibility & payment exclusions apply. Full T&Cs apply.

New players. Min Dep £20 (Excl. PayPal & PaySafe). Max Bonus £40 on selected games & 100 Free Spins on Big Bass Splash. Wagering & max win apply.T&Cs apply.

18+ New customers only. Wager £20 or more on Midnite Casino within 14 days of sign-up. Get 200 Free Spins to use on selected games, valued at 10p and valid for 7 days. T&Cs apply. BeGambleAware.org