iGaming Business – Sportsbet, a subsidiary of Irish bookmaker Paddy Power, is the preferred brand of Australians who can recall betting brands without prompting, according to a new study by consumer research company Global Reviews. Sportsbet posted a 34% preference rate while Tab, a subsidiary of gambling and entertainment firm TabCorp Holdings, attracted a 21% brand preference rate. However, the research, reported by the AdNews website, outlined the challenge facing William Hill in Australia following the UK bookmaker’s acquisition last month of businessman Tom Waterhouse’s online betting business. Tom Waterhouse attracted a 12% brand preference rate, despite having a 43%…