How Long to Prepare for Consulting Interviews? (50-150 Hours)
Updated May 2026 · By Florian Smeritschnig, Former McKinsey Senior Consultant The realistic preparation time for McKinsey, BCG, or Bain interviews ranges from 50 hours (for candidates with business backgrounds and prior case practice) to 150 hours (for career switchers with no business exposure), typically spread across 6-12 weeks. The single biggest variable of how…
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