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Partner mode
Pick any of the 204 worked cases. A friend opens the interviewer view, with the script and a five-part scoring rubric, and you speak the case out loud.
Choose a case Free consulting interview prep
Consulting interview prep, from your first lesson to your final round.
Consulting firms hire through the case interview: you are given a real business problem and talk it through out loud, the way a consultant would. Learn how with plain-English lessons, drills and worked cases, whether you are a complete beginner or preparing for a final round, for any firm, in any country.
Everything is free. No sign-in, no card, no email.
Start freeStart free opens the first lesson, about 4 minutes long. Nothing to install.
Try a 10-minute caseProfitability, worked case
Step 2 of 4A coffee chain's profit fell by a fifth while revenue stayed flat. Where do you look first?
Profit
Revenue
Price times volume
Flat
Cost
Fixed and variable
Look here first
Why
Revenue did not move, so the change sits on the cost side. Split cost and find the line that moved.
Math checked Runs in Partner mode
The learning path
One clear path, one step at a time.
Each step builds on the one before, with worked examples and drills along the way. Skip ahead whenever you already know a step.
- Step 1: FoundationWhat consulting is, structuring, case math, charts and the fit interview.19 modules
- Step 2: Case typesMarket sizing to mergers, each with worked examples and drills.26 case types
- Step 3: IndustriesHow each sector makes money, so no case catches you cold.36 industry briefs
- Step 4: Firms and online testsHow each firm interviews, and the digital tests you may face first.15 firms, 7 test formats
- Step 5: Practice until it is routineDrills, full worked cases, and live practice with another person.204 worked cases
Everything a case interview can cover, in one place
265 lessons, 26 case types, 36 industry briefs, 26 firm and region guides, 204 worked cases and 311 glossary terms, counted from the site's content each time it is published. Any firm, any country: profiles of 15 firms, recruiting guides for 11 regions, and 11 sets of regional practice cases.
See every feature, with its own count and a Try it buttonLive practice
Practice out loud, with a real person.
The interview is spoken, so there are two ways to practice with someone else.
Opening soon
The Practice Exchange
Live case practice with other candidates. You will take turns: you interview your partner, then your partner interviews you. Until it opens, Partner mode works today.
How it will workHonest, dated, checked. You are trusting this site with your preparation, so it shows its work.
Read our honest promiseDated
Every lesson shows the date it was last reviewed. The most recent review was on 30 September 2026.
Checked
Every calculation in the worked cases is recomputed automatically by a checking script, and fast-changing facts about firms are marked so you know to confirm them.
Independent and original
No consulting firm endorses this site. The teaching is original, never copied from a firm's real test or a paid case bank.
Honest about outcomes
This is practice, not a promise of an offer. You will not find offer rates or success stories we cannot check.
Start with the first lesson today.
No sign-in and no card. You are learning from the first minute, and your progress saves on this device as you go.