Crack interviewer-led cases

Invite other candidates for a meeting to crack the case interactively or solve it on your own. If you like to check your case approach just have a look at the given sample solution. ... (Read more)

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Interviewer-led (McKinsey style)
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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)
3.1k
Times solved
Intermediate
Difficulty
Rating
As a consultant at Mercedes-Benz Management Consulting, you are actively shaping the future of mobility. While you are contributing to decisive projects that design the future of the world’s No.1 premium carmaker, you also develop your own career path and you have the unique possibility to bui ... (Open whole case)
4.8k
Times solved
Intermediate
Difficulty
Rating
Company case by E.ON Inhouse Consulting
You are starting your first day at E.ON Inhouse Consulting and have been instructed to take a closer look at the customer journey at E.ON. Your first task is to compile touchpoints the customers experience when joining E.ON. After that, you have to think of channels to improve the customer experienc ... (Open whole case)
6.6k
Times solved
Intermediate
Difficulty
Rating
Company case by BearingPoint
A car park and parking lot operator pursues the strategic goal of exploiting new sources of income via digital business models. As part of this initiative, a MVP (Minimal Viable Product) was developed for a parking app that enables users to search and pay for paid parking spaces. The managing dir ... (Open whole case)
12.1k
Times solved
Advanced
Difficulty
Rating
Company case by TKMC
TKMC was mandated to advise the company Automotive Assembly (AA) which is in the automotive business and assembles axles for sports cars. The company has - as a Tier1 supplier - several locations worldwide, always near the OEM’s production plant for just in sequence delivery of ... (Open whole case)
16.1k
Times solved
Intermediate
Difficulty
Rating
Expert case by Bernard
Our client is JimboTel, an African mobile telecom company with operations in four West African countries: Nigeria, Cameroon, Ghana and Sierra Leone. JimboTel has experienced revenue declines in the last two years. How can JimboTel grow its revenues organically in the next year? ... (Open whole case)
500+
Times solved
Beginner
Difficulty
Rating
Expert case by Gaurav
Our client is Easywood, a furniture maker based in North Africa. Easywood serves the local market and sells mainly bedroom furniture. Last year, Easywood had a revenue of around $10m and a profitability of around 20%. Though Easywood is not concerned about the growth and profitability, they are worr ... (Open whole case)
700+
Times solved
Beginner
Difficulty
Rating
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)
1.2k
Times solved
Advanced
Difficulty
Rating
Expert case by Adi
Full Bloom is loved online florist based in UK. They have 5 experience retail stores around the country. They are a mid-sized company with 350 employees all based in UK and pride themselves on excellent customer experience. Over the past year, Full Bloom invested £300,000 to ... (Open whole case)
200+
Times solved
Advanced
Difficulty
Rating
Expert case by Gaurav
Your client is ‘Muse 19’, a Museum in Paris with a large collection of 19th century artifacts, predominantly paintings and sculptures. The museum is run by a non-profit organization based in France. The museum is quite popular amongst students, artists and tourists. Last year the museum ... (Open whole case)
1.4k
Times solved
Advanced
Difficulty
Rating
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)
500+
Times solved
Intermediate
Difficulty
Rating
Expert case by Gaurav
MeGrain is a co-operative of 5000 farmers in the central part of India. As a co-operative, the farmers came together to sell the grains to retailers and wholesalers. They are the 3rd  largest grain sellers in India and sell 10million quintals of grains annually. They have operations in 4 region ... (Open whole case)
300+
Times solved
Intermediate
Difficulty
Rating
Expert case by Gaurav
CleanAll, a privately held company based in Nigeria, runs laundry outlets in 5 regions across the country. The company is engaged in 3 businesses: Machine based cloths washing Hand washing of delicate cloths Cloth ironing The company owners are concerned because of s ... (Open whole case)
400+
Times solved
Beginner
Difficulty
Rating
Expert case by Joe
Our client is a global fast food restaurant that offers a wide range of breakfast and rest of day products including burgers, salads, fries, and beverages, and offers combo bundles. Over the last ~5 years in the US, our client has seen relatively flat guest count, but a decline in profitability ... (Open whole case)
900+
Times solved
Intermediate
Difficulty
Rating
Expert case by Joe
Our client is a consumer packaged goods company looking for top-line growth opportunities. They are considering extending its pre-existing baby products brand (e.g., Huggies) into a new product category – baby clothing. They are looking for this business to generate +$300M revenue per ... (Open whole case)
2.0k
Times solved
Intermediate
Difficulty
Rating
Expert case by Deniz
CoffeeWorks is one of the leading coffee retail chains in the UK. The client is planning to introduce reusable cups with an aim to decrease the consumption of single-use disposable cups. The main goal of the client is to enhance their brand image as a sustainable retailer without harming current pro ... (Open whole case)
300+
Times solved
Advanced
Difficulty
Rating
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)
3.4k
Times solved
Intermediate
Difficulty
Rating
Expert case by Francesco
Our client is SmartBridge, a nonprofit educational institution offering face-to-face tutoring services. The client operates in the US. The mission of SmartBridge is to help as many students as possible to complete studies and prevent that they drop from the school system, in particular in di ... (Open whole case)
13.9k
Times solved
Advanced
Difficulty
Rating
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)
2.4k
Times solved
Advanced
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)
8.3k
Times solved
Advanced
Difficulty
Rating
1 - 20 of 60 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.