New customers using Promo code BASS40 only. Max. . Save today: £40 FREE BETS with William Hill Promo [HOST] from 11 tested and verified William Hill Discount Code for January Get free bets and other great offers with our constantly updated William Hill promo codes for Sportsbook, Casino, Poker, Bingo and more! Use William Hill promo code T60 to get £60 in bonus. Min. 1x per customer. New customers using Promo code BASS40 only. Opt in required. Min. If you have placed a bet or been tempted to dabble in sports betting, there is no better time to use the William Hill promo code BETEXVIP. A. Max. Opt in required. 1x per customer. With the William Hill promo code, new betting customers can get up to £40 as a welcome bonus when signing up via the mobile site or on the app. Discover 11 William Hill Promo Code for February - Live More. bonus £. £10 deposit and stake on Big Bass Bonanza only. Does William Hill offer free. The William Hill promo code is P40 and is automatically added if you sign up via this article on your mobile phone. Get £40 FREE BETS for a limited time only with our William Hill Discount Code. Deposit a minimum of £10 into your account to receive a £20 bonus to stake on selected games on Vegas. £10 deposit and stake on Big Bass Bonanza only. There is no available William Hill bonus code for February but customers are still able to claim the William Hill sign up offer. bonus £40 with 35x.