John Hagel III, director at Deloitte Consulting LLP, is the co-chairman of the Deloitte Center for the Edge, based in Silicon Valley.

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"They are absolutely struggling with this and there is great concern over their branding, market share and scale, " says Adam Schneider, who specializes in financial services at Deloitte Consulting LLP.

WSJ: Customers to Banks: It's You, Not Me

Many investors who outsourced their portfolios to professionals "were massively disillusioned by the perceived performance of their advisers" in 2008, says Ed Tracy, head of a Deloitte Consulting LLP group that provides consulting and other services to financial-services companies.

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