Interview guides that don't waste your time

Every profitability case comes down to one equation: Profit = Revenue − Costs. Before you build a framework or propose solutions, you need to diagnose which branch of this tree is broken, and by exactly how much. Most candidates skip straight to solutions. That's the #1 mistake.

8 min read

Should our client enter this market? Market entry cases make up 15–20% of first-round cases at McKinsey, BCG, and Bain. The answer is almost never simply 'yes', it depends on market attractiveness, competitive barriers, your client's capabilities, and the economics of entry.

9 min read

M&A cases test your ability to assess whether an acquisition creates value, not just whether the target looks good in isolation. The framework splits into financial and non-financial analysis, and the biggest pitfall is underestimating integration risk.

9 min read

Pricing cases ask you to set or rationalise the price for a product or service. The strongest answers triangulate three methods, cost-based, value-based, and competitor-based, rather than anchoring on just one. Always confirm the objective before you pick up your pen.

8 min read

Case math is not advanced math, it is arithmetic performed out loud, under time pressure, while someone watches. That combination is a distinct skill, and it responds to drilling faster than any other part of case prep. This guide covers the five calculation types that appear in nearly every quantitative case, the speed benchmarks to aim for, and a two-week drill plan.

9 min read

Behavioral questions carry 20–30% of your overall interview evaluation. A poor behavioral score results in rejection even if you ace every case. STAR. Situation, Task, Action, Result, is the standard framework, but most candidates misuse it by spending too much time on context and not enough on what they personally did.

8 min read

Most behavioral questions across MBB and Big Tech fall into six recurring themes. If you have a strong story mapped to each theme, you can answer ~90% of behavioral questions you will ever face. Here are the 20 most common, organised by theme.

10 min read

The difference between a candidate who freezes under follow-up questions and one who handles them effortlessly is preparation depth. A 'stories bank' of 6–8 core experiences, each drilled for multiple angles, means you are never caught off-guard regardless of how the interviewer probes.

9 min read

Clear, confident communication is evaluated as heavily as analytical ability. Interviewers assess whether they would trust you in front of a client. The key skill is not speaking perfectly, it is structuring your thinking so the listener always knows where you are going.

7 min read

Most case interview failures are not caused by lack of intelligence, they are caused by a small set of predictable, avoidable mistakes. Knowing what they are and having a concrete fix for each one is one of the highest-leverage things you can do in your preparation.

8 min read

Most rejected candidates did not fail the case, they failed the calendar. Consulting recruiting runs on a rigid annual cycle, and by the time interviews are announced there is rarely enough runway left to build case skills from zero. This guide lays out the cycle for undergrads, MBAs, and experienced hires, and works backward to the date your preparation actually needs to begin.

8 min read