One of the best ways to prepare for case interviews at firms like McKinsey, BCG, or Bain, is by studying case interview examples.
There are a lot of free sample cases out there, but it's really hard to know where to start. So in this article, we have listed all the best free case examples available, in one place.
The below list of resources includes interactive case interview samples provided by consulting firms, video case interview demonstrations, case books, and materials developed by the team here at IGotAnOffer. Let's continue to the list.
- McKinsey examples
- BCG examples
- Bain examples
- Deloitte examples
- Other firms' examples
- Case books from consulting clubs
- Case interview preparation
1. McKinsey case interview examples
- Beautify case interview (McKinsey website)
- Diconsa case interview (McKinsey website)
- Electro-light case interview (McKinsey website)
- GlobaPharm case interview (McKinsey website)
- National Education case interview (McKinsey website)
- Talbot Trucks case interview (McKinsey website)
- Shops Corporation case interview (McKinsey website)
- Conservation Forever case interview (McKinsey website)
- McKinsey case interview guide (by IGotAnOffer)
- McKinsey live case interview extract (by IGotAnOffer) - See below
2. BCG case interview examples
- Foods Inc and GenCo case samples (BCG website)
- Chateau Boomerang written case interview (BCG website)
- BCG case interview guide (by IGotAnOffer)
- Written cases guide (by IGotAnOffer)
- BCG live case interview extract (by IGotAnOffer) - See below
3. Bain case interview examples
- CoffeeCo practice case (Bain website)
- FashionCo practice case (Bain website)
- Associate Consultant mock interview video (Bain website)
- Consultant mock interview video (Bain website)
- Written case interview tips (Bain website)
- Bain case interview guide (by IGotAnOffer)
- Written cases guide (by IGotAnOffer)
- Bain live case interview extract (by IGotAnOffer) - See above
4. Deloitte case interview examples
- Engagement Strategy practice case (Deloitte website)
- Recreation Unlimited practice case (Deloitte website)
- Strategic Vision practice case (Deloitte website)
- Retail Strategy practice case (Deloitte website)
- Finance Strategy practice case (Deloitte website)
- Talent Management practice case (Deloitte website)
- Enterprise Resource Management practice case (Deloitte website)
- Footloose written case (by Deloitte)
- Deloitte case interview guide (by IGotAnOffer)
5. Accenture case interview examples
- Case interview workbook (by Accenture)
- Accenture case interview guide (by IGotAnOffer)
6. OC&C case interview examples
- Leisure Club case example (by OC&C)
- Imported Spirits case example (by OC&C)
7. Oliver Wyman case interview examples
- Wumbleworld case sample (Oliver Wyman website)
- Aqualine case sample (Oliver Wyman website)
- Oliver Wyman case interview guide (by IGotAnOffer)
8. A.T. Kearney case interview examples
- Promotion planning case question (A.T. Kearney website)
- Consulting case book and examples (by A.T. Kearney)
- AT Kearney case interview guide (by IGotAnOffer)
9. Strategy& / PWC case interview examples
- Presentation overview with sample questions (by Strategy& / PWC)
- Strategy& / PWC case interview guide (by IGotAnOffer)
10. L.E.K. Consulting case interview examples
- Case interview example video walkthrough (L.E.K. website)
- Market sizing case example video walkthrough (L.E.K. website)
11. Roland Berger case interview examples
- Transit oriented development case webinar part 1 (Roland Berger website)
- Transit oriented development case webinar part 2 (Roland Berger website)
- 3D printed hip implants case webinar part 1 (Roland Berger website)
- 3D printed hip implants case webinar part 2 (Roland Berger website)
- Roland Berger case interview guide (by IGotAnOffer)
12. Capital One case interview examples
- Case interview example video walkthrough (Capital One website)
- Capital One case interview guide (by IGotAnOffer)
13. Consulting clubs case interview examples
- Berkeley case book (2006)
- Columbia case book (2006)
- Darden case book (2012)
- Darden case book (2018)
- Duke case book (2010)
- Duke case book (2014)
- ESADE case book (2011)
- Goizueta case book (2006)
- Illinois case book (2015)
- LBS case book (2006)
- MIT case book (2001)
- Notre Dame case book (2017)
- Ross case book (2010)
- Wharton case book (2010)
Structured preparation
If you would like to fast track your case interview preparation and maximise your chances of getting an offer at McKinsey, BCG, or Bain, come and train with us. More than 80% of the candidates training with our programmes end up getting an offer at their target firm. We know this because we give half of their money back to people who don't.