Category: Case Interview

Cover image for an article titled “BCG Case Interview: How to Crack the Candidate-Led Case,” showing a candidate leading a case interview discussion in front of a whiteboard with a profitability issue tree, charts, and key takeaways, while an interviewer listens. The image uses a dark green consulting-style layout with the StrategyCase.com watermark at the bottom.

BCG Case Interview: How to Crack the Candidate-Led Case in 2026

By Florian Smeritschnig, former McKinsey Senior Consultant · Updated June 2026 The BCG case interview rewards one instinct above all: you drive. BCG cases are candidate-led: you set the structure, walk the interviewer through your thinking, and steer toward the recommendation yourself. McKinsey hands you the wheel one question at a time; BCG hands you…
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Cover image for an article on Strategy& case interviews, showing a consultant in a modern office with visual panels representing deals, defense, and corporate strategy case content streams.

Strategy& Case Interview 2026: The Three Case Content Streams (Deals, Defense, Corporate)

Updated May 18, 2026 | By Florian Smeritschnig, Former McKinsey Senior Consultant Strategy& case interviews don’t pull from a single case library. The cases candidates actually face fall into three distinct content streams that map to the firm’s flagship practice areas: deals strategy cases (M&A and commercial due diligence), aerospace/defense/government cases, and corporate strategy cases.…
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Cover image for L.E.K. Case Interview showing a consultant analyzing CDD-style charts, case notes, and market data in a high-end office setting.

L.E.K. Case Interview 2026: How CDD Engagements Become the Case Format

Updated May 11, 2026 | By Florian Smeritschnig, Former McKinsey Senior Consultant L.E.K. case interviews are unusual among major consulting firms in this specific way: they’re not abstract business problems designed to test consulting skills in the abstract. They’re compressed simulations of the actual work L.E.K. does on commercial due diligence engagements. The format, the…
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Cover image for Oliver Wyman Case Interview preparation showing case math notes, unit economics charts, market sizing analysis, and a consultant working through quantitative case calculations.

Oliver Wyman Case Interview 2026: The Math Bar Most Candidates Miss

Updated May 6, 2026 | By Florian Smeritschnig, Former McKinsey Senior Consultant The Oliver Wyman case interview is candidate-led, similar in format to BCG, with one critical difference: the quantitative bar is the highest in major-firm consulting. Candidates who pass MBB cases on directional reasoning fail OW cases on calculation precision under time pressure. Most…
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Cover image for an article on free MBA casebooks, featuring a professional desk setup with a laptop displaying case analysis charts, a stack of leading business school casebooks (Harvard, INSEAD, LBS, Stanford, Kellogg), and a clean consulting-themed layout emphasizing structured problem-solving and case interview preparation.

Free MBA Casebooks: 700+ Cases Ranked by an Ex-McKinsey Consultant (2026)

Updated May 2026 · By Florian Smeritschnig, Former McKinsey Senior Consultant The best free MBA casebooks for case interview practice in 2026 are the Yale Graduate Consulting Club 2024, MIT Sloan 2020, and Kellogg 2020 casebooks — but only 16 of the 47 casebooks circulating online are worth deep practice. The rest are outdated, repetitive,…
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