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Case interview blog
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Our case interview articles
- 01Week 1
- 02Week 2
- 03Week 3
- 04Week 4
Getting startedHow to prepare for case interviews: a 4-week plan (2026)
A week-by-week plan to prepare for case interviews: what interviewers score, the skills to build, daily drills, how many cases to do, how to review each one and what to do the week before.
20 Oct 2026 ·12 min
- Firm specific
McKinsey case interview: practice cases with worked examples (2026)
How the McKinsey case interview runs, four interviewer-led practice cases worked through their first exhibit, the question types you will face, and where the PEI and Solve fit.
20 Oct 2026 ·17 min
- Firm specific
BCG case interview: practice cases with worked examples (2026)
How the BCG case interview runs, four candidate-led practice cases worked through their first exhibit, how to evolve a hypothesis across exhibits, and where Casey and written cases fit.
20 Oct 2026 ·18 min
- Firm specific
Bain case interview: 4 practice cases with worked examples (2026)
How the Bain case interview works in 2026, how it differs from McKinsey and BCG, and four candidate-led Bain-style practice cases worked to the first exhibit, ready to finish live.
20 Oct 2026 ·15 min
- Case frameworks
- Profit
- Profitability
- Operations and cost
- Growth
- Market entry
- Growth
- Deals and price
- M&A
- Pricing
FrameworksCase interview frameworks: the 6 you need and how to tailor them
The six case interview frameworks that cover most cases, what each one asks, why reciting them fails, and how to turn any of them into an issue tree built for the client in front of you.
20 Oct 2026 ·13 min
- Profit
- 01Clarify
- 02Approach
- 03Segment
- 04Estimate
- 05Check
FundamentalsMarket sizing questions: method, 10 examples and answers
How to answer market sizing questions in a case interview: top-down against bottom-up, a five-step method, ten worked examples with every assumption stated, and a cheat sheet of anchor numbers.
20 Oct 2026 ·13 min
- Profit=Revenue-Variable costs-Fixed costsMaths and quant
Case interview math: the formulas, shortcuts and practice you need
The case interview math you need: every formula on one table, the mental maths shortcuts that save minutes, how to do maths out loud, and a four-week practice plan built on short daily drills.
20 Oct 2026 ·12 min
- 01Fit
- 02Motivation
- 03Resume
- 04Case
- 05Your questions
RecruitingConsulting interview questions: 40 questions with how to answer (2026)
The 40 consulting interview questions you are most likely to face, grouped by type, with what each one tests and an outline of a strong answer.
20 Oct 2026 ·15 min
- Your answer=The work+Your proof+What you'll learnGetting started
Why consulting? How to answer (with examples)
How to answer 'why consulting?' in an interview: what the interviewer is listening for, a three-part structure, weak and strong example answers, and how to tailor 'why this firm'.
20 Oct 2026 ·12 min
- Recruiting
McKinsey PEI: the themes, sample questions and a story template (2026)
What the McKinsey Personal Experience Interview tests, the themes as commonly described, 16 sample questions, the follow-up ladder and a story template you can fill in.
20 Oct 2026 ·14 min
- Consulting employers
- MBB
- Big 4
ComparisonsMBB vs Big 4 consulting: the real differences (2026)
MBB means McKinsey, BCG and Bain; the Big 4 are Deloitte, PwC, EY and KPMG. How the work, clients, interviews, cases and careers really differ, and how to choose.
20 Oct 2026 ·12 min
- Firm specific
Accenture case interview: 4 practice cases with worked examples (2026)
How the Accenture case interview works in 2026, why technology and implementation run through it, and four practice cases worked to the first exhibit, ready to finish live.
20 Oct 2026 ·15 min
- Firm specific
Deloitte case interview: 4 practice cases with worked examples (2026)
How the Deloitte case interview works in 2026, including group and written cases, how it differs from MBB, and four operations practice cases worked to the first exhibit.
20 Oct 2026 ·16 min
- Firm specific
EY-Parthenon case interview: 4 practice cases with worked examples (2026)
How the EY-Parthenon case interview works, how it differs from McKinsey, BCG and Bain, and four practice cases worked through to the first exhibit: due diligence, market sizing and deals.
20 Oct 2026 ·16 min
- Firm specific
Kearney case interview: 4 practice cases with worked examples (2026)
How the Kearney case interview works, how it differs from McKinsey, BCG and Bain, and four operations, procurement and supply chain cases with the first exhibit worked through.
20 Oct 2026 ·16 min
- Firm specific
L.E.K. case interview: 4 practice cases with worked examples (2026)
How the L.E.K. case interview works, how it differs from McKinsey, BCG and Bain, and four practice cases worked to the first exhibit: profitability, a drug launch, pricing and due diligence.
20 Oct 2026 ·16 min
- Firm specific
Oliver Wyman case interview: 4 practice cases with worked examples (2026)
How the Oliver Wyman case interview works, how it differs from McKinsey, BCG and Bain, and four financial services cases with the first exhibit worked through.
20 Oct 2026 ·16 min
- Firm specific
Roland Berger case interview: 4 practice cases with worked examples (2026)
How the Roland Berger case interview works in 2026, how it differs from MBB, and four European industrial and transport practice cases worked to the first exhibit.
20 Oct 2026 ·15 min
