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Business Sense

Business sense refers to the ability to quickly grasp economic dynamics and make decisions that are both strategically and commercially sound. In consulting, it’s not enough to repeat theories from your business degree. What matters is a deep understanding of how companies operate, what drives markets, and what different stakeholders are aiming to achieve.

Consultants with strong business acumen can quickly adapt to new industries, understand client needs, and set priorities that make economic sense. They don’t just ask, “What is analytically correct?” – they also ask, “What truly benefits the company?” This mindset often makes the difference in a case interview.
 

 

Why Your Business Sense Matters in Consulting

As a consultant, you’re expected not only to analyze complex problems but also to think in a solution-oriented and entrepreneurial way. A strong business mindset helps you put analyses into context, assess actions realistically, and focus on generating maximum client value.

In day-to-day consulting, you're working under pressure, collaborating with decision-makers, and constantly weighing trade-offs. Those who think commercially and can strategically prioritize have a clear edge.

In a case interview, showing that you understand markets and business models is key – it sets you apart and proves your readiness for the job.

👉 In our Case Library, you can prepare effectively with curated practice cases and put your business sense to the test.

Company case provided by Company case by
SET Management Consulting
SET Case: Strategische Neuausrichtung der Fröhlich Maschinen GmbH
Die Fröhlich Maschinen GmbH, ein mittelständisches Unternehmen mit Sitz in Deutschland, ist auf die Produktion von Spezialmaschinen für die Automobilindustrie spezialisiert. Das Unternehmen hat in den letzten fünf Jahren seinen Umsatz kontinuierlich gesteigert, jedoch ist die Profitabilität stark zurückgegangen. Die Gewinnmarge vor Steuern liegt bei nur 3,75 %, was deutlich unter dem Branchendurchschnitt von 8 % liegt. Gleichzeitig steht das Unternehmen vor internen und externen Herausforderungen: - Interne Herausforderungen: Ein veraltetes ERP-System führt zu ineffizienten Prozessen in der Produktion und Verwaltung. Zudem gibt es Hinweise auf eine unvorteilhafte Kostenstruktur und mangelnde Transparenz bei der Produktprofitabilität. - Externe Herausforderungen: Steigende Rohstoffpreise und ein intensiverer Wettbewerb setzen die Margen zusätzlich unter Druck. Einige Wettbewerber bieten ähnliche Produkte zu niedrigeren Preisen an und diversifizieren schneller in neue Branchen. Die Geschäftsführung hat Ihre Boutique-Beratung beauftragt, die Ursachen für die sinkende Profitabilität zu analysieren und konkrete Maßnahmen zur Verbesserung der Wettbewerbsfähigkeit vorzuschlagen. Ziel Analysieren Sie die Ursachen für die sinkende Profitabilität der Fröhlich Maschinen GmbH und entwickeln Sie konkrete Maßnahmen, um die Rentabilität und Effizienz langfristig zu steigern.
4.4
2.3k times solved
Difficulty: Intermediate
Interviewer-led
Restructuring
Company case provided by Company case by
Bain & Company
Bain Case: BeautyCo – Where Did the Profits Go?
Our client BeautyCo is a large European perfumery company with 500 shops across Europe. However, BeautyCo has been struggling with a decrease in profitability for some time and would like to work with us to understand what the causes and possible actions could be. Therefore, as a first step the client wants us to identify the cause of the profitability issues.
4.6
70.6k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Profitability analysis
Company case provided by Company case by
Forvis Mazars
Forvis Mazars Case: Prüfung der Carvermietungen GmbH
Sie sind Abschlussprüfer der CarVermietungen GmbH, einem deutschen Unternehmen, das geleaste Fahrzeuge europaweit an Privat- und Geschäftskunden weitervermietet. Im Rahmen der Prüfung führen Sie Interviews mit dem Management des Unternehmens durch. Dabei wecken insbesondere die langfristigen ökologischen und digitalen Herausforderungen der Firma Ihr Interesse. Sie erfahren unter anderem, dass die Hauptunterschiede zum üblichen Geschäft in einem Transformationsplan liegen und lassen sich vom CFO den Plan vorstellen. Die Finanzdirektorin teilt Ihnen stolz mit, dass die CarVermietungen GmbH in die Elektrifizierung der Fahrzeugflotte investiert. Die Anzahl der Elektroautos wird im Lagebericht veröffentlicht. Die CarVermietungen GmbH bietet ihren Kunden seit dem vierten Quartal eine Erweiterung zum bestehenden Bonusprogramm an. Die Kunden können ihre gesammelten Bonuspunkte am Jahresende auf ein Umweltprogramm übertragen, das vorwiegend in den Anbau von Bäumen und Wasseralgen investiert, um die klimafreundliche CO2-Bindung zu fördern. In diesem Zusammenhang hat das Unternehmen auch eine weitere Zielgruppe definiert und eine entsprechende Kundenliste erstellt. Darüber hinaus wurden im laufenden Geschäftsjahr durch den Zukauf von Daten über ein soziales Netzwerk zusätzlich neue Kunden hinzugewonnen. Die CarVermietungen GmbH hat im letzten Quartal außerdem in P2P-Carsharing investiert, da sich dieses neue Geschäftsmodell im Ausland bereits als vielversprechend erwiesen hat. Private Autobesitzer haben die Möglichkeit, ihr Fahrzeug über die Carsharing-Plattform anzubieten und die Vermietung gänzlich über eine App abzuwickeln. Die Mietwagengebühren betragen ein Drittel des Mietwertes und die CarVermietungen GmbH zahlt eine Versicherung, die jeden Kunden abdeckt. Die Versicherungsprämien für das Folgejahr wurden bereits ausgezahlt.
4.0
9.1k times solved
Difficulty: Intermediate
Interviewer-led
Audit
Valuation
Case by
PrepLounge
Incos Pens
Incos is a global manufacturer of writing products with divisions in North America, Europe and South-East Asia. Their global sales are $60 m and their profits amounted to around $30 m. Their European division who manufactures and sells disposable pens is experiencing flattening sales and a decreasing profit. The client hired you to help him come up with suggestions to get profits back on track.
4.5
41.8k times solved
Difficulty: Advanced
Interviewer-led
Market entry
Market sizing
Profitability analysis
Company case provided by Company case by
Otto Group one.O
Otto Group Case: StyleNow - Wenn Wachstum die Marge kostet
StyleNow ist eine Online-Modemarke der Otto Group, die Damen- und Herrenbekleidung ausschließlich über den eigenen Onlineshop vertreibt. In den letzten drei Jahren ist der Umsatz kontinuierlich gewachsen – unter anderem durch den gezielten Ausbau des Sortiments um neue Kategorien und Marken. Die Profitabilität hat sich jedoch trotz des Wachstums deutlich verschlechtert und das Unternehmen hat im gerade abgeschlossenen Geschäftsjahr erstmals ein negatives Ergebnis erzielt. Der Vorstand von StyleNow bittet das Inhouse Consulting um eine Analyse der Ursachen sowie eine konkrete Handlungsempfehlung. Hinweis zur Sprache: Zur besseren Lesbarkeit verwenden wir in diesem Case teilweise das generische Maskulin. Selbstverständlich sind damit alle Personen gleichermaßen gemeint.
5.0
800+ times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Company case provided by Company case by
Bain & Company
Bain Case: Old Winery
You have inherited the “Old Winery” from your grandfather, a winery that has been family-owned for five generations and can be dated back to the 16th century. Half of the eleven hectares are used to grow white grapes, the other half to grow red grapes. They are grown in a conventional way, i.e. they are not organically farmed and certified. The vine stocks are in a good condition regarding age and care. Overall, the only ¼ of the harvest is made into wine by the winery itself; the rest is sold. Your grandfather never wanted to change the image of the winery and left the managerial and administrative task to a young and energetic wine-maker. Due to the not so well-known brand, the demand for the “Old Winery” wine is currently rather low. You do not intent to run the winery operatively, given your limited knowledge of winemaking, but find the idea of owning a winery exciting.
4.3
150.7k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Market analysis
Market sizing
Mergers & Acquisition
Company case provided by Company case by
Volkswagen Group Consulting
Volkswagen Group Consulting Case: Wo soll produziert werden?
Ihr Kunde ist in einem globalen Automobilkonzern dafür verantwortlich ein neues Produkt mit einem Volumen von 140.000 Fahrzeugen über den gesamten Produktionszeitraum auf den Markt zu bringen. Bedingt durch finanzielle Anspannung liegt ein besonderer Fokus auf den Kosten.
4.3
15.2k times solved
Difficulty: Intermediate
Interviewer-led
Market entry
New product
Pricing
Expert case by
Emily
Paper Product Overseas Growth
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. Overall they have been growing at 3% annually. The client wants to achieve a 5% growth rate. With the resource constraint they have, they want to focus on one of the two markets. They want to know which market they should go after to achieve that increase in growth rate, and how.
3.8
700+ times solved
Difficulty: Advanced
Candidate-led
Growth strategy
Operations strategy
Case by
PrepLounge
Central hospital
Our client, Central hospital, is a 350-bed hospital based in a medium-sized city. The company has normally seen strong financial results with a 1-4% operating gain each year for the last five years. However, this year they are projecting a $14 m operating loss and the situation is expected to worsen in the future. The CFO expects to be out of cash in 2 years if not resolved. They hired you to identify the cause of this loss and how they can hit break-even again. However, since they are an important employer, laying off staff is not an option.
4.1
14.3k times solved
Difficulty: Intermediate
Candidate-led
Profitability analysis
Company case provided by Company case by
zeb Consulting
zeb case: Quo vadis, customer?
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 board of directors is worried about digitalization and wondering, whether the bank is adequately prepared for it. Please analyze the situation of the client and develop means to sustainably increase profits. Consider the worries expressed by the board of directors.
4.3
82.4k times solved
Difficulty: Advanced
Candidate-led
Operations strategy
Profitability analysis
Expert case by
Ian
MBB - Climate Change Operations
A mid-sized manufacturing company is concerned about the potential impacts of climate change on its operations. The company has a number of factories located in coastal regions that are vulnerable to flooding and other weather-related events, and it is concerned about the potential financial and reputational risks associated with these events. The company's leadership team has asked your consulting firm to help them understand the risks they face and develop a plan to mitigate those risks. Clarifying Info: - Our client’s objective is to maintain long-term profitability - Our client’s factories are located throughout the US =================================================== Note: Once you have solved this case, make sure to solve the 2nd version of this case: MBB - Climate Change Operations - Part 2 | PrepLounge.com This case is designed to show you how a case can evolve/change based on new information. The first half of this case is the same, but diverges once data and #s are provided. To learn more about how to use case leadership to navigate dynamic cases, please read here: Candidate-Led Cases: What to Expect With Example Cases
5.0
4.1k times solved
Difficulty: Intermediate
Candidate-led
Capacity change
Market analysis
Operations strategy
Restructuring
Sustainability
Expert case by
Ian
BCG - YodaPhone
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 the ship and ensure the digitization program is delivered as planned. ===================================================== Framework can be found here: YodaPhone Optimal Framework Solutions
4.4
13.9k times solved
Difficulty: Intermediate
Candidate-led
Operations strategy
Company case provided by Company case by
DHL Consulting
DHL Consulting case: Bike Shop
You have been hired to support the owner of a bike-shop as a business consultant. The bike-shop has suffered a significant revenue decline during the last year, and now the owner would like you to assess the situation and options for the way forward. They want to know last year’s profit, i.e. how it was affected by the revenue decline, and what the priority actions are to survive the next year. (short term) In addition they would like to understand the strategic competitive position of the shop better and how to increase revenues again mid- to long-term.
4.4
97.0k times solved
Difficulty: Beginner
Interviewer-led
Growth strategy
Profitability analysis
Case by
PrepLounge
Spain Shipping
Our client is a local shipping firm in Spain where they handle local shipping of packages delivered by international shipping firms like FedEx, UPS & DHL. These firms deliver packages to the key city hubs and then our client takes it from there. They want to know how many trucks they should lease to support their operations. From a cost-savings perspective they can only lease one model-type and we need to find out how many trucks the start-up needs.
4.2
5.2k times solved
Difficulty: Beginner
Candidate-led
Operations strategy
Profitability analysis
Case by
PrepLounge
Coffee pads
Your client is the CEO of Wiehle, a major household appliance manufacturer. It has been decided that a coffee machine should be added to the product line. The question is how this coffee machine should be designed: either to exclusively use Wiehle pads or to be compatible with the pads of existing third-party providers as well?
4.5
6.3k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market entry
New product
Profitability analysis
Case by
PrepLounge
Top Apparel
Our client is Top Apparel. They own a portfolio of 15 brands of fashion. Historic growth has been in line with the market and the company is making good profits. Now management wants to invest money to grow the portfolio, but they are unsure on how to prioritize investment. The client has asked us to help them determine which brands should get investments for future growth.
4.0
5.8k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Expert case by
Ian
Bain + BCG Hot Wheels - Part 2 WITH VIDEO SOLUTION
Our client is Korean Car Parts (KCP), a multi-national original equipment manufacturer (OEM) of car parts based in Korea. They've recently seen a decline in profits and have brought us in to understand how to address this falling profitability. ================================================= To get a deep-dive explanation of the case leadership behind this case, please read this article: Candidate-Led Cases: What to Expect With Example Cases This case is part two of a series. The goal of this series is to demonstrate how an identical case prompt (and corresponding framework) could lead to multiple different outcomes. The goal is to train you to adjust to case information in an agile and adaptable way. The 1st part of the series can be found here: Case - BCG Hot Wheels With Video Solution
4.4
6.9k times solved
Difficulty: Beginner
Candidate-led
Market analysis
Profitability analysis
Company case provided by Company case by
Deloitte
Deloitte Case: Footloose
Duraflex is a German footwear company with annual men’s footwear sales of approximately €1 b. They have always relied on the boot market for the majority of their volume. In this market they compete with three other major competitors. In the fall of 2019, Badger – one of Duraflex’s competitiors – launched a new line of aggressively priced work boots. The strong success of this line has caused Duraflex’s management to re-evaluate their position in work boots. With limited additional resources, the management must now decide if they should focus their efforts on competing with Badger in the work boot sector, or allocate their resources on further strengthening their position with casual boots. The management team approached you and asked for your advice. In order to advise them on their future work boot strategy please prepare first some insights regarding market size and competitive landscape.
4.4
103.2k times solved
Difficulty: Intermediate
Candidate-led
Competitive response
Market analysis
Company case provided by Company case by
EY-Parthenon
EY-Parthenon Case: Virtual Marketplace
A leading online real estate marketplace in Germany – your-new-home.com – is struggling with stagnating sales after many years of high growth rates. In a preliminary project with EY-Parthenon, the market environment has already been examined in detail – competitors, new entrants, customer needs, etc. As a result, you are asked to identify growth areas and quantify the potential sales uplift for the management.
4.3
85.7k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Profitability analysis
Expert case by
Giulia
MBB Case – Consulting a Government
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. In answering those two questions, what factors would you consider in making your potential recommendation?
4.4
10.7k times solved
Difficulty: Advanced
Candidate-led
Brain teaser
Market analysis
Operations strategy
Organizational behavior
Public sector

How Business Sense Shows Up in Case Interviews

Your business sense won’t be tested directly – but it shows up in your thinking, your assumptions, and your recommendations. Here are five moments when it really counts:

5 tips on how to show business sense in case interviews

1. Define a clear objective.

Clarify what the company wants to achieve in the case. Is it short-term profit, long-term growth, or a stronger market position? A well-defined goal aligns your analysis and recommendations – and shows you understand the business context.

2. Develop sound hypotheses.

Top candidates derive economically plausible hypotheses. If revenue is dropping, explore potential causes like demand, pricing, or competitive pressure.

3. Evaluate actions realistically.

Go beyond theory. Consider real-world feasibility, conflicting objectives, and strategic risks. Instead of simply saying “raise prices,” consider price elasticity, customer segments, and likely competitor reactions.

4. Interpret numbers in the right context.

Numbers only make sense when interpreted correctly. High margins might signal a premium position – or upcoming competitive threats. Business sense means understanding what the numbers imply in context.

5. Make a well-founded recommendation.

Your final recommendation should be logical and economically viable. Acknowledge risks or gaps, and show that your solution could succeed in the real world.
 

How to Train Your Business Sense

Business sense isn’t innate – it’s a skill you can develop. The key is to build a solid understanding of economic principles and learn how real-world decisions are made.

Start by regularly reading business news. Outlets like New York Times, the Wall Street Journal or the Financial Times will help you get a feel for markets, business models, and strategic thinking. Go beyond the facts – try to understand the economic rationale behind each story.

When practicing case interviews, stay sharp and reflective. Ask yourself: Is my reasoning not only logical but also economically sound?

Mock interviews with peers are especially helpful. You’ll improve your communication skills and receive valuable feedback.

👉 Use our Meeting Board to find peers and practice together.

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👉  Want to take it a step further? Connect with our experienced coaches.

Coach Moritz intro video. Visit their profile to find more information in text.
Moritz
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Zoe
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Also, think like an entrepreneur in daily life. Observe companies, analyze new strategies, and reflect on what drives success or failure. The more often you go through this process, the sharper your business intuition becomes – and that’s what sets you apart in interviews.
 

Key Takeaways

Business sense is one of the most important success factors in both consulting and case interviews. It reflects your ability to quickly recognize economic patterns, form sound assumptions, and make realistic, client-oriented decisions. In interviews, what sets top candidates apart isn’t memorized theory but the ability to see the bigger picture: understanding what really matters to a business, prioritizing strategically, and proposing solutions that are both practical and value-driven.

To demonstrate your business sense, it’s crucial to clearly define the objective of the case, develop plausible hypotheses, assess potential actions not only analytically but also from a business standpoint, and interpret numbers within the correct context. Your final recommendation should be not just logical, but economically viable and well thought through.

The good news is that business sense can be learned. By regularly reading business news, reflecting on strategic decisions, working through case interviews critically, and actively seeking feedback, you’ll build a strong foundation in economic thinking. Over time, this mindset will not only boost your interview performance but also set you up for long-term success in consulting.

Let's Move On With the Next Articles:

Presentation and Communication
Consulting Skills & Preparation
The majority and the most obvious part of preparation is, of course, the substantive preparation for your case interview. However, you also need to present what you have learned in a way that gives your interviewer an impression of your personality and character. This means that you must appear confidentand communicate clearly and precisely. The best preparation is useless if you come across as closed-off and insecure. As a consultant, you must always appear trustworthy and confident when interacting with clients to be taken seriously and to enable you and your team to work in a solution-oriented manner. This is already tested in the case interview – albeit indirectly ;)
To the article
General Knowledge
Consulting Skills & Preparation
In case interviews, having solid general knowledge can make a big difference, especially in market sizing questions. Knowing basic facts about regions, population sizes, and economic indicators helps you build stronger arguments. It’s not just about the analysis itself but also about showing interviewers that you understand global trends and can quickly process key information — an important skill in consulting. In a case interview, quick and accurate estimates are essential. For example, if you're asked to evaluate the potential market for a product in a specific country, having solid data — like the population size — is crucial. Without this information, it can be challenging to make a meaningful calculation. In addition to national market data, it's important to know about key global markets. Being familiar with major economic regions like the U.S., China, and the EU is valuable because large consulting firms such as McKinsey and BCG operate extensively in these areas. A solid understanding of these regions shows that you can think about global factors and helps you stand out from other candidates. What Your Knowledge of Population, Economy & Geography Says About You Having strong general knowledge in specific areas not only shows that you are well-prepared, but also that you can quickly understand economic relationships—a crucial skill in consulting. When you have information like population sizes or a country's Gross Domestic Product (GDP) at your fingertips, you can quickly verify assumptions and make informed decisions, which is exactly what case interviews expect. Additionally, your knowledge of these topics demonstrates a genuine interest in world affairs and your ability to recognize and understand global trends. This insight is vital for evaluating how political, economic, and social changes affect businesses. It also highlights your capability to absorb and use complex data effectively. Population Country/Region Population (approx.) Worldwide 8.05 billion China 1.426 billion India 1.419 billion Europe (EU states) 450 million USA 335 million Indonesia 277 million Brazil 203 million Russia 143 million Japan 124 million Germany 83 million UK 68 million GDP Forecast in USD for 2024 Country/Region GDP 2024 (approx. in trillions USD) Worldwide 105 trillion USD USA 25 trillion USD China 18 trillion USD Japan 4.3 trillion USD Germany 4.5 trillion USD France 3.0 trillion USD UK 3.1 trillion USD India 3.9 trillion USD Italy 2.2 trillion USD Brazil 2.1 trillion USD Canada 2.2 trillion USD Key Data to Know for Your Case Interview In case interviews, making quick and accurate estimates is key. A good grasp of units, along with basic fraction and percentage calculations, is essential for working efficiently. Additionally, being comfortable with time units is important for making rough estimates and calculations. The table of larger and smaller time units below provides a handy overview of commonly needed values. These fundamental skills help you tackle tasks confidently and quickly. Overview of Time Conversions: Days, Weeks and Hours Larger Units Smaller Units Days/Year 365 days (In leap years: 366 days) Days/3 Years 1,095 days Days/4 Years 1,461 days (including 1 leap year) Weeks/Year 52 weeks Hours/Week 168 hours Seconds/Hour 3,600 seconds Conversion of Fractions to Percentages and Decimal Values Fraction Percentage Decimal 1/5 20% 0.20 1/6 16.67% 0.1667 1/7 14.29% 0.1429 1/8 12.5% 0.125 1/9 11.11% 0.1111 1/10 10% 0.10 1/11 9.09% 0.0909 1/12 8.33% 0.0833 1/13 7.69% 0.0769 1/14 7.14% 0.0714 1/15 6.67% 0.0667 1/16 6.25% 0.0625 1/17 5.88% 0.0588 1/18 5.56% 0.0556 1/19 5.26% 0.0526 1/20 5% 0.05 Remember, it’s not enough to just memorize these numbers—you also need to be able to calculate with them effectively! Use our Mental Math Tool to specifically train your math skills and prepare for your next interview.
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Preparation Plan
Consulting Skills & Preparation
Preparing for a case interview can feel overwhelming, but having a structured plan will help you stay focused and make steady progress. A well-organized approach ensures you build a strong foundation, practice effectively, and refine your skills before the big day. In this guide, we will walk you through the key components of an effective practice plan, including self-study, peer practice, and working with a coach. Let’s go!
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