They have some nice unique features, such as Acca Freedom where you have the choice of either insuring your Acca or boosting the odds. William Hill is one of the leading UK bookmakers and their website is a quality product.
SMS verification and/or Proof of I.D and address may be required. £30 in Free Bets credited after bet settlement. Register using the promo code H30, deposit and place first bet of £10+ on Sports (cumulative Evens+) within 7 days of registration.