The UK's largest retail bookmaker Ladbrokes launched the Odds ON! Betting exchanges compete with the traditional bookmaker. Betting exchanges offer the same opportunities to bet as a bookmaker with a few differences. In 2012 Unibet acquired Bet24, a Danish online bookmaker. In other accounts he is described as a bookmaker and gambler. In essence, the person placing the lay bet acts as a bookmaker. In May 2017, Ben appeared in an advertising campaign for Australia's leading mobile bookmaker, Sportsbet. The tournament was sponsored by Irish bookmaker Paddy Power. The tournament has been sponsored by bookmaker William Hill since 2015. FanDuel Group is a New York City based bookmaker and daily fantasy sports provider. William Hill plc is a bookmaker based in London, England. A former bookmaker and journalist, he first appeared on Sky Sports in 1999. In April 2015 Tindall became a brand ambassador for online bookmaker Betway. The online bookmaker was launched in March 2008. He had been a close associate of convicted mob bookmaker Henry Kushner.