Operations Strategy Consulting Cases – Browse our extensive Case Library

Solve our consulting cases focusing on operations strategy, and invite other candidates to crack the case interactively with you. Practicing and getting feedback is the most crucial part of a perfect case preparation. ... (Read more)

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Operations strategy
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Company case by DHL Consulting
DHL has been the logistics partner of the Wonderworld Music Festival since 2004. DHL transports all material and equipment for the bands from the UK to the festival locations. Also, DHL is one of the main sponsors of Wonderworld (broadcast advertisement, in site coverage etc.). Wit ... (Open whole case)
10.9k
Times solved
Intermediate
Difficulty
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Company case by zeb
The bank "His Earlship Charles", a domestic retail and private bank is in a difficult situation. Profits have been declining over the past years due to the ongoing low interest rates set by the central bank. Additionally, the bank is suffering from a decreasing number of customers. The boa ... (Open whole case)
63.2k
Times solved
Advanced
Difficulty
Rating
Company case by Oliver Wyman
Your client, large automotive OEM WyCar, has developed its first fully electric vehicle (EV) and introduced it as a pilot on the Austrian market last year. However, sales have been far below the expected numbers. The management has engaged you to support them in understanding the reasons and advise ... (Open whole case)
109.0k
Times solved
Intermediate
Difficulty
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Company case by Oliver Wyman
TrainCo is a manufacturer of rolling stock, or trains, with production sites in three European countries. The company has seen declining profitability over the past years; however, they are currently in a very good position to bid for and win a big contract for regional trains for a Swiss national r ... (Open whole case)
53.4k
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Beginner
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Company case by DHL Consulting
A friend of yours recently got promoted to the position of director of a university library. Yesterday, your friend received a call from the Ministry of Education, who offered him to be part of a national RFID pilot with his library. As your friend is unsure if he should pursue this option, he asks ... (Open whole case)
68.6k
Times solved
Intermediate
Difficulty
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Company case by Roland Berger
LumCO, a company producing injection-molded components for lighting applications, has operated successfully in its native European market. The company wants to open up one production facility each in China and the United States and establish their own distribution network in both countries to serve ... (Open whole case)
82.1k
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Advanced
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Expert case by Emily
Our client (FastFood Co) is a fast food company that has > 20 restaurants in the city. Since COVID-19, the business has encountered significant challenges, with operating income drops to negative.  The client wants us to help them turn around the business. How would you help them?  ... (Open whole case)
< 100
Times solved
Beginner
Difficulty
Rating
Expert case by Casper
Our clients are two beer manufacturers from a well-developed country who just decided to merge. We can call them Company A and Company B. The decision about the merger has already been taken and our clients are certain it will soon be approved by regulators. What is expected from you is to h ... (Open whole case)
1.3k
Times solved
Advanced
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Expert case by Emily
The client is an Indonesian producer of paper boards which can be further processed into paper boxes, shopping bags, etc. They sell in both their domestic market i.e. Indonesia, and in the export market i.e. the US. Revenue last year was $5 billion, with 80% from Indonesia and 20% from the US. Overa ... (Open whole case)
3.2k
Times solved
Intermediate
Difficulty
Rating
Expert case by Ian
Our client is Energy England, one of northern England’s largest electric utility companies. They were created over the past decade through an aggressive series of mergers of existing utility companies each specializing in a single energy generation source. Recently, the CEO has embarked on ... (Open whole case)
2.9k
Times solved
Intermediate
Difficulty
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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 i ... (Open whole case)
11.3k
Times solved
Advanced
Difficulty
Rating
Expert case by Adi
EducateEarth is the world’s LEARNING company, with expertise in educational courseware (Text Books) and assessment, and a range of teaching and learning services powered by technology. They operate in 70 countries, have nearly 25,000 employees and are headquartered in Zurich, Switzer ... (Open whole case)
1.6k
Times solved
Advanced
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Expert case by Giulia
Your client is a US-based manufacturer of branded cookies, Gumbread Inc. The client realized that their sales have declined in recent years. The client wants to know what they should do to do drive sales again. ... (Open whole case)
2.6k
Times solved
Intermediate
Difficulty
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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. ... (Open whole case)
5.9k
Times solved
Advanced
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Expert case by Xabi
The client is CarRentalCo, a global car rental company present on the European and North American markets. In Europe, it is present in most EU countries but has not yet entered the Baltic countries. CarRentalCo has asked us to determine whether or not they should enter the Baltic (Estonia, Latv ... (Open whole case)
6.7k
Times solved
Intermediate
Difficulty
Rating
Expert case by Clara
Your client is the CEO of Heathrow airport (London), the busiest airport in Europe in terms of commercial traffic. Due to COVID-19, the airport's operations and hence, revenue streams, have been severely affected. The CEO asks for your help with the preparation of the upcoming Steerco, foc ... (Open whole case)
7.5k
Times solved
Intermediate
Difficulty
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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, mids ... (Open whole case)
5.3k
Times solved
Advanced
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Rating
Expert case by Ian
Our client is Yoda's Phones, a national telecommunications company. They have embarked on a three-year, multi-million dollar digitization program. Unfortunately, two years into the program, they realize they are significantly behind schedule and over budget. You have been brought in to right ... (Open whole case)
3.8k
Times solved
Intermediate
Difficulty
Rating
Expert case by Luca
Espresso Whatelse is an Italian company that produces coffee and espresso machines since 1908. It is the Italian market leader and has a strong presence overall in Europe. In 2019, Espresso Whatelse has increased its revenues but it has seen declining profit margin. Your client wants to unders ... (Open whole case)
13.1k
Times solved
Advanced
Difficulty
Rating
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 pr ... (Open whole case)
4.8k
Times solved
Intermediate
Difficulty
Rating
1 - 20 of 51 results

Frequently Asked Questions

What are cases?

Cases, also known as case studies, are business problems that a candidate is presented with during a case interview at a management consultancy. The challenge is to solve it under pressure and in a structured way.

Why are consulting cases so important for your preparation?

Consulting interviews are among the most competitive and difficult job interviews that exist. Interviewers use cases as an indicator to test whether you have what it takes to become a successful consultant. In order to pass, you need to ace the case interview part. And in order to ace the case interview part, you need to be well-prepared. Thus, practicing cases is one of the most important aspects of interview preparation in consulting. During different rounds of interviews you will have to solve cases again and again to prove your structured and analytical thinking as well as your communication skills.

How can I practice cases?

You can practice cases on your own and go through them to get a first feeling for the structure. Afterwards, you should go into a real interview environment and practice cases with other members on the platform. You will find more than 50 mock-interview requests on the Meeting Board every day, which you can easily accept. If there is nothing suitable on the Meeting Board, you can also use the Candidate Listing. Here you can find active members on the platform and send them a direct meeting request. If you want to take your case practice to the next level, we recommend you to schedule coaching sessions with our coaches who have many years of experience in helping candidates receive their dream job offer.

What is the difference between Candidate-led and Interviewer-led?

In an interviewer-led case interview, the interviewer leads through the conversation. This means that the interviewer asks specific questions and also controls the time you have to analyze and answer different questions and therefore the depth of your analysis. In contrast, the candidate-led style (which is more common) is about you taking the initiative as a candidate. The initial problem is given to you by your interviewer. Afterwards, you have the freedom to structure the case according to your ideas and to ask questions proactively in order to find a solution to the problem.

What are real cases?

Real cases in the PrepLounge Case Library are cases that were submitted by management consultancies and have been treated as such within the company. They were made available from the real interview process. In this way, you can gain deep insights into the requirements of the case interview with the respective top consultancies (e.g. Bain & Company, Roland Berger, Deloitte, Oliver Wyman). We have marked these cases with the corresponding company logo.

What are expert cases?

Expert cases were created by our PrepLounge coaches and either contain real problems that the experts have already dealt with in their lives as consultants or cases from actual consulting interviews they took part in. They offer you an optimal preparation through the different subjects, levels of difficulty and styles. And the best thing is: If you have questions about the cases, you can ask them directly to the authors.

What are video case solutions?

Video case solutions are cases in which we provide you with a solution that includes a YouTube video. With this we want to help you to understand case solutions even better.

What does the rating of the cases mean?

Every member has the possibility to rate a case and leave feedback on the case. This gives you the opportunity to call up a ranking and solve the cases that are particularly popular in the community. It also gives us the opportunity to continuously improve our cases in order to provide you with the best possible practice material.

Which are the most interesting cases on PrepLounge?

Which cases are most interesting for you depends on your personal preference and your level of knowledge. If you are just starting with the case interview preparation, beginner cases are probably the most interesting ones for you. You also have the possibility to filter by different categories, such as personal fit, market analysis or brain teaser and many more, in order to address exactly the topics that are most relevant for your application.