U.S. consulting work grows the fastest in retail - up 10.5 per cent to $3.8bn
Consultants increasingly help retailers move to Omni-channel

The U.S. retail industry was the fastest growing sector for consulting work in 2015 - up 10.5 per cent to $3.8bn - as retailers turned to consultants to help them shift to Omni-channel in order to compete with digital disruptors such as Amazon.