UK and International Bookmakers

Best for: Bettors who price lines and want the lowest margin

Pinnacle built its name on thin margins and a welcome for sharp bettors. We check what that reputation rests on, what it costs to withdraw, and where you cannot use it.

Best for: UK and Irish racing and football bettors who like regular promotions

Paddy Power's money-back specials and Best Odds Guaranteed make it the UK's most promotional bookmaker. We run the numbers on whether a refund as a free bet beats a better price elsewhere.

Best for: In-play football and tennis bettors who want streams and Cash Out

Unibet UK's strength is the in-play package: Unibet TV streams, Cash Out and Action Betting. We read the odds-boost rules and the live terms to see where it beats the crowded UK field and where it stops.

Best for: UK racing punters who want a price-guarantee second account

Betfred's racing concessions are the reason to keep a second account there. We checked the Best Odds Guaranteed terms, the Bet £10 Get £50 offer and the regulatory record.

Best for: UK racing and football bettors who want an exchange option and £5 deposits

Ladbrokes and Coral share an owner and a platform. We compare their prices, offers and apps, using a 6.26% Premier League overround and the £5.9 million fine on Ladbrokes Coral's record.

Best for: UK racing bettors who want a guaranteed price and free streams

Coral is a Joe Coral business from 1926, now owned by Entain. We checked its racing guarantee, its £30 free-bet offer, payout speeds and the football edge to see whether it earns a regular UK account.

Best for: Experienced UK bettors who understand buy and sell spreads and can set strict stakes

Spreadex has been a UK bookmaker since 1999 and sells sports spread bets next to fixed odds. We worked through a total-goals example to show how a spread bet can cost many times your stake.

Best for: Esports bettors who want a modern app and a long list of titles

Midnite offers a quick app, a deep esports menu and a Bet £10, Get £30 welcome deal. We priced one live esports market and found a 9.9% overround, so the polish does not guarantee a better price.

Best for: Existing UK customers who value the shops and the brand

William Hill is one of Britain's oldest bookmakers, now owned by debt-laden Evoke. We could not load its own site to compare prices, so this review weighs the owner, the regulator's record and what that means for a customer.