Practice With Over 200 Cases on Various Topics

Learn the case interview basics, practice with 200+ cases, and benefit from extensive test materials, and interactive self-study tools.
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Expert case by Ian
[PLEASE NOTE: This is a technically difficult case and should only be completed by those coming in as a Technology specialist, i.e. recruiting for McKinsey Digital, BCG Platinion, etc.]Our client is a multinational oil and gas company. While they are vertically integrated and have upstream, midstrea ... [PLEASE NOTE: This is a technically difficult case and should only be completed by those coming in as a Technology specialist, i.e. recruiting for McKinsey Digital, BCG Platinion, etc.]Our c ... (Open whole case)
15.9k
Times solved
4.3
< 100 Ratings
Advanced
Difficulty
Expert case by Cristian
Assume our client is CodeWave, a large software development firm headquartered in Silicon Valley. The company has a solid reputation in the tech industry and has been in operation for over 15 years. Codewave currently employs approximately 3,000 people and has rapidly expanded in recent years.  ... Assume our client is CodeWave, a large software development firm headquartered in Silicon Valley. The company has a solid reputation in the tech industry and has been in operation for over 1 ... (Open whole case)
1.9k
Times solved
5.0
< 100 Ratings
Intermediate
Difficulty
Expert case by Ian
Sky China, a government-backed Chinese airline, has recently seen profits plummet due to COVID-19. Profits are down 80% in the months of February and March, but are showing early signs of a rebound in April. They've brought you in to first investigate what can be done immediatedly to prevent he ... Sky China, a government-backed Chinese airline, has recently seen profits plummet due to COVID-19. Profits are down 80% in the months of February and March, but are showing early signs of a ... (Open whole case)
7.8k
Times solved
4.3
100+ Ratings
Intermediate
Difficulty
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Expert case by Cristian
Our client is Green Life, a digital challenger bank based in Europe. The bank operates solely online and offers its clients a variety of current accounts, insurance, and financial products. Green Life currently operates in 10 different EU countries and employs approximately 500 people. Due to i ... Our client is Green Life, a digital challenger bank based in Europe. The bank operates solely online and offers its clients a variety of current accounts, insurance, and financial products. ... (Open whole case)
2.5k
Times solved
4.5
< 100 Ratings
Advanced
Difficulty
Expert case by Ian
Prompt The United States is currently facing a major supply chain crisis due to long ship queues and wait times at its West Coast ports, particularly at the Port of Los Angeles. Docks are at maximum capacity, and the system is at a breaking point. The government has reached out to you to help f ... Prompt The United States is currently facing a major supply chain crisis due to long ship queues and wait times at its West Coast ports, particularly at the Port of Los Angeles. Docks a ... (Open whole case)
1.5k
Times solved
1.5
< 100 Ratings
Beginner
Difficulty
Expert case by Cristian
Style Scape is a mid-sized retailer that sells clothing, accessories, and home goods through its physical stores and online platform. The business has been around for over a decade and has seen consistent growth in sales in its home market of the United States. Style Scape operates 30 stores nationw ... Style Scape is a mid-sized retailer that sells clothing, accessories, and home goods through its physical stores and online platform. The business has been around for over a decade and has s ... (Open whole case)
1.0k
Times solved
0.0
< 100 Ratings
Advanced
Difficulty
Expert case by Cristian
GlowMobile is a leading telecom operator with a strong presence in Southeast Asia. They sell regular products and services that any telecom operator would offer in their retail stores: cell phones, SIM cards, subscriptions, etc.Even though the number of digital customers in the region has grown expo ... GlowMobile is a leading telecom operator with a strong presence in Southeast Asia. They sell regular products and services that any telecom operator would offer in their retail stores: cell ... (Open whole case)
4.4k
Times solved
4.9
< 100 Ratings
Intermediate
Difficulty
Expert case by Ian
Our client is Hunger Warriors, a non-profit with ambitions to solve world hunger. While approximately one tenth of the human population goes to bed hungry, Hunger Warriors aims to bring this number to zero. One of their primary initiatives is to reduce food waste, which represents $1.5 Trillion in l ... Our client is Hunger Warriors, a non-profit with ambitions to solve world hunger. While approximately one tenth of the human population goes to bed hungry, Hunger Warriors aims to bring this ... (Open whole case)
3.6k
Times solved
3.9
< 100 Ratings
Intermediate
Difficulty
Expert case by Cristian
Let’s assume our client is Poliglot, a popular language app. Poliglot is five years old, originally from the US, but available worldwide. The app currently offers the possibility of learning over twenty languages for free, with extra benefits (e.g., no ads, additional exercises) available to premium ... Let’s assume our client is Poliglot, a popular language app. Poliglot is five years old, originally from the US, but available worldwide. The app currently offers the possibility of learning ... (Open whole case)
3.2k
Times solved
4.6
< 100 Ratings
Intermediate
Difficulty
Expert case by Cristian
Let’s assume our client is LETA Bank, a large Central European bank with around 3M customers and within the top five banks in the mid-sized European country where it is operating. In a recent benchmarking exercise led by the European banking group that owns the bank, LETA Bank appears to be underper ... Let’s assume our client is LETA Bank, a large Central European bank with around 3M customers and within the top five banks in the mid-sized European country where it is operating. In a recen ... (Open whole case)
5.5k
Times solved
4.9
< 100 Ratings
Advanced
Difficulty
Expert case by Bernard
The COVID-19 pandemic has killed millions of people worldwide and led to devastating economic impact. A vaccine is one of the biggest hopes for stopping the pandemic. The World Health Organization (WHO) is working with multiple stakeholders to ensure groups at higher risk of becoming infec ... The COVID-19 pandemic has killed millions of people worldwide and led to devastating economic impact. A vaccine is one of the biggest hopes for stopping the pandemic. The World Hea ... (Open whole case)
18.7k
Times solved
4.6
300+ Ratings
Advanced
Difficulty
Expert case by Giulia
Our client is the government of an imaginary country which is suffering from strong protests and riots by its own population. The client would like to understand the reason for these protests. In a second step, the client wants you to make suggestions for improvement to end these protests. ... Our client is the government of an imaginary country which is suffering from strong protests and riots by its own population. The client would like to understand the reason for the ... (Open whole case)
9.7k
Times solved
4.5
200+ Ratings
Advanced
Difficulty
The client, VacuLuxe Innovations, is a manufacturer for vacuum pumps, e.g. rotary vane pumps, cryogenic pumps located in Germany. The company has grown from a start-up to a major corporation over the last 50 years. However, after benchmarking the economics of their business, the client discovered th ... The client, VacuLuxe Innovations, is a manufacturer for vacuum pumps, e.g. rotary vane pumps, cryogenic pumps located in Germany. The company has grown from a start-up to a major corporation ... (Open whole case)
7.3k
Times solved
4.1
< 100 Ratings
Intermediate
Difficulty
Fast Dish, a publicly traded Quick Service Restaurant (Franchise) company with over €20 billion in revenue and more than 20.000 restaurants globally, has recently faced major challenges with regards to supply chain management and sustainability.The client's top management has engaged the SCM and pro ... Fast Dish, a publicly traded Quick Service Restaurant (Franchise) company with over €20 billion in revenue and more than 20.000 restaurants globally, has recently faced major challenges with ... (Open whole case)
8.5k
Times solved
3.5
< 100 Ratings
Intermediate
Difficulty
Your client is part of AtoZ Ltd., a diversified multinational company with a health care division that produces medical instruments and related services. Three years ago, AtoZ expanded into health care software industry by acquiring HappyHealth SE, which is selling administrative IT systems to large ... Your client is part of AtoZ Ltd., a diversified multinational company with a health care division that produces medical instruments and related services. Three years ago, AtoZ expanded into ... (Open whole case)
12.2k
Times solved
4.4
100+ Ratings
Advanced
Difficulty
Your client is a big financial services company in Germany that just implemented a Client Relationship Management (CRM) system. Its intention is to provide the leadership with a real time view into the organisation’s sales channel.Before the introduction of the CRM system the sales teams have mainta ... Your client is a big financial services company in Germany that just implemented a Client Relationship Management (CRM) system. Its intention is to provide the leadership with a real time vi ... (Open whole case)
9.6k
Times solved
4.1
100+ Ratings
Beginner
Difficulty
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