Resources
CasingLab Blog
Practical guides, proven frameworks, and insider strategies to help you prepare for McKinsey, BCG, and Bain interviews.
Firm Guides
McKinsey PEI in 2026: New Dimensions, Real Questions, and How to Prepare
The McKinsey PEI changed in 2025. Complete 2026 guide to the four new dimensions, Connection, Drive, Leadership, Growth, with real questions, follow-up probes, and the SPAR method.
Firm Guides
Bain's Behavioral Interview: The 45-Minute, 8-Question Format (2026)
Bain now runs a standalone 45-minute behavioral interview: 8 scripted questions, 4 dimensions, backward- and forward-looking pairs. 2026 guide with preparation strategy.
Firm Guides
McKinsey Interview Guide 2026: Process, Solve Game & PEI Tips
Master the McKinsey interview in 2026. Complete guide to the application, Solve Game, PEI, case interviews, and how to beat the 1% acceptance rate.
Firm Guides
BCG Interview Process 2026: Casey Test, Cases & Fit Explained
The complete BCG interview process for 2026. Covers the Casey test, Pymetrics, candidate-led case interviews, brainstorming, and behavioural fit.
Test Guides
McKinsey Solve Game 2026: Format, Scenarios & Prep Strategy
Complete guide to the McKinsey Solve Game in 2026. Format, Redrock and Sea Wolf scenarios, scoring, and a proven preparation strategy.
Case Types
Profitability Case Interview Guide: Framework and Worked Example
Master the profitability case interview with a proven framework, a full worked example, and the common mistakes that sink weak candidates.
Case Types
Market Sizing Examples: Four Worked Solutions for Interviews
Four fully worked market sizing examples with top-down and bottom-up approaches, anchor numbers, and common mistakes to avoid in interviews.
Skills
Case Interview Frameworks: When to Use Them and When Not To
The complete guide to case interview frameworks for profitability, market entry, M&A, growth and pricing. When to use them, how to customise, what MBB looks for.
Skills
How to Structure a Case Interview in 60 Seconds
Learn how to structure a case interview in 60 seconds using a top-down, MECE issue tree. Method, worked example and drills to nail the opening.
Skills
Case Interview Synthesis: The 60-Second Formula for Offers
Master case interview synthesis with the answer-first formula interviewers reward. Pyramid principle, worked scripts and drills to close with conviction.