Business Case Guide

Learn how to solve business case interviews

A structured guide to opening, structuring, executing, and closing MBB-style business cases with clear logic and confident recommendations.

01

What a Case Interview Is

  • 1.0 Intro
  • 1.1 What the interviewer evaluates
  • 1.2 How to use this guide
02

The Business Case, Phase by Phase

  • 2.1 Case opening
  • 2.2 Structure
  • 2.3 Case execution
  • 2.4 Recommendation
03

Business Lenses

  • 3.1 Profitability lens
  • 3.2 Business situation lens
  • 3.3 Choosing the right lens
  • 3.4 Lens variants
  • 3.5 Pricing lens
04

Pills of Practice

  • Pill 1 - Markup vs. margin
  • Pill 2 - Operating leverage
  • Pill 3 - Weighted average
  • Pill 4 - Growth breakdown
  • Pill 5 - Market share
  • Pill 6 - Scenario analysis
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Framework library

Frameworks in depth

Browse the core frameworks one by one and open any framework in full size to explore it in detail.

Profitability
Profitability framework
Profitability with Initial Investment
Profitability with Initial Investment framework
Business Situation
Business Situation framework
M&A
M&A framework
Product Launch / Market Entry
Product Launch / Market Entry framework
Pricing
Pricing framework
Tip: tap any framework to open it larger and read it in full.
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Profitability

Profitability framework full size
Close

Product Launch / Market Entry

Product Launch / Market Entry framework full size
Close

Pricing

Pricing framework full size
Close

M&A

M&A framework full size
Close

Business Situation

Business Situation framework full size
Close

Profitability with Initial Investment

Profitability with Initial Investment framework full size

Next Step

Studied the method?
Now practice it live.

Open the GPT that fits your next practice session.

Full cases, structured prompts, follow-ups

Business Case GPT

Sizing drills, step-by-step solving, new questions

Market Sizing GPT

Both GPTs are designed to complement the theory guides.