Comment by spicebox

Neither Accenture nor McKinsey are Big 4. The Big 4 are PwC, EY, KPMG, and Deloitte. Despite what the name suggests they aren’t actually the top consulting firms (the name comes mostly from their accounting work.The three consulting firms, at least in terms of cost/prestige, are McKinsey, BCG, and Bain (MBB for short).