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Only Deloitte has a large consulting/advisory arm. The other three’s consulting revenue is only about 20% of the total revenue. Audit/Tax are still the main service lines for big-4. But as others have pointed out already, the consulting in big-4 is different with MBB.
With that said, although big-4 recruit audit/tax position at many schools, they’re picky for their consulting/advisory position. They’re not limited only to the few ivy-ish as MBB do, but definitely not recruit at every school either. I couldn’t remember which one of the four, that has a webpage to check the service line position they would recruit from the “target” campus.</p>