Overall, Accenture has the better consulting brand; IBM has more opportunities across the business.IBM S&C is a better practice than ACN Capital Markets - in relative terms, you may get better personal mileage from being at the top of IBM than from being in the middle ranks of ACN.You didn't mention where you are within your career. The comparison depends on whether you're looking for a career launch pad, a stop-gap, a path to partnership, etc.