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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
Oliver Wyman
Oliver Wyman Case: On the Right Track
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 rail company. They have asked you advise to them on whether they should place a bid for the contract.
4.4
92.4k times solved
Difficulty: Beginner
Candidate-led
Operations strategy
Profitability analysis
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
96.3k times solved
Difficulty: Beginner
Interviewer-led
Growth strategy
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
9.0k times solved
Difficulty: Intermediate
Interviewer-led
Audit
Valuation
Case by
PrepLounge
ChemCo Foods
A chemical producer is a major manufacturer of chemical products used to preserve foods in containers. The company has seen an increase in market share, but the company has also seen a decline in profits. Our client, the CEO is worried about this trend and hires you to investigate what is going on.
4.0
5.2k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Profitability analysis
Expert case by
Alberto
MBB First Round - StayPro - Consumer Growth Strategy
Your client is StayPro, a San Francisco based technology company that develops and sells wearable and mountable action cameras. StayPro’s CEO believes that the company’s growth has stagnated and has hired you to remedy that issue.
4.5
1.3k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Case by
PrepLounge
Nearshoring - Opportunity study and Business case
Your client is an international Corporate & Investment Bank (CIB). It is France based and has already expanded to Poland (Warsaw), Asia and Americas. Your client now wants to look into the development of the existing hub in Warsaw and is contacting you to help him assess this option. How would you help him?
4.1
3.2k times solved
Difficulty: Intermediate
Candidate-led
Operations strategy
Profitability analysis
Expert case by
Agrim
BoxxFitness Gyms
Our client is the CEO of BoxxFitness - a leading gym chain in the US with over 1,500 gyms. BoxxFitness is a premium gym concept with an annual membership fee that is 2-3x higher than most mainstream gyms. Each gym has a limited number of membership slots. Each member gets a dedicated locker, unlimited personal training, unlimited classes, and unlimited equipment usage. In the last 3 years, the chain has seen a decline in its profit margin. Can you identify the potential reasons for this decline?
4.0
4.2k times solved
Difficulty: Intermediate
Interviewer-led
Competitive response
Market analysis
New product
Pricing
Profitability analysis
Expert case by
Emily
FastFood Chain Turnaround
Our client (FastFood Co) is a fast-food company that has > 20 restaurants in the city. Recently, the business has encountered significant challenges, with net profit drops to negative. The client wants us to help them turn around the business. How would you help them?
4.9
2.6k times solved
Difficulty: Beginner
Candidate-led
Profitability analysis
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
149.6k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Market analysis
Market sizing
Mergers & Acquisition
Company case provided by Company case by
Simon-Kucher
Simon-Kucher Case: GST Cruise Company
Cruise company German Sea Tours (GST) is a successful operator of international cruises. GST currently offers several cruise trips, lasting between 5 and 24 days. Additional services can be booked on board (e.g. excursions at each destination, onboard leisure activities). Customers tend to book their tickets several months in advance. GST has had a long history of revenue growth, but in the past five years, it showed lower growth rates. Board members are not sure whether the market, in general, saw lower growth or whether the problem is specific to GST. GST recognizes that winning new customers and stimulating existing customers to book their vacations with GST is crucial for future growth and therefore has always focused on keeping a close relationship with its (potential) cruise-trip bookers. GST’s chief commercial officer (CCO) Ms. Brown has hired Simon-Kucher & Partners to assess the market environment and competitive positioning for cruise ships and to conduct a subsequent evaluation of potential growth options.
4.5
75.2k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Pricing
Case by
PrepLounge
Golf balls
You’re a consultant based in Germany who is currently en route to a client in France who sells golf balls. You’re thinking about the client trying to figure out how large the market is for golf balls in France in terms of number of balls purchased each year.
4.1
6.6k times solved
Difficulty: Beginner
Candidate-led
Market sizing
Case by
PrepLounge
Love thy neighbour as thyself
Your client, Port-Pouri, is a discount retailer in Portugal having 130 stores spread throughout the country and thereby being the largest player in the market. It is more profitable and has a higher market share than the closest competitor (75 stores). This competitor has recently been bought by SPARnien, the largest discount retailer in Spain, who plans to convert all 75 stores into SPARnests, the infamous stores that made the company so successful in its home turf. The CEO of Port-Pouri is worried and asks for your advice. Should she react, and if so, how?
4.3
3.5k times solved
Difficulty: Intermediate
Candidate-led
Competitive response
Market analysis
Expert case by
Cristian
Russell University - Fresh Attacker on the Online Education Market (McKinsey 1st round)
Russell University, located in the United Kingdom, is one of the oldest and most prestigious universities in the world. They have been educating students for more than two centuries and provide a variety of undergraduate and graduate STEM-focused courses. In an effort to increase revenues and expand their reach, the university has recently begun offering three online postgraduate qualifications. Despite the quality of teaching and effort spent in developing these courses, the response from students in terms of sign-up rates has been modest. Russel University executives believe they are acting too slowly since other prestigious universities, particularly in the US, have successfully leveraged their brand to offer short and affordable online courses to a variety of people. Russell University has hired us to determine whether they should acquire Eduline, a well-established platform that offers STEM-related short courses to its subscribers. The university intends to use Eduline to offer courses on a subscription basis and will then issue online certificates to individuals who successfully complete its courses.
5.0
5.2k times solved
Difficulty: Beginner
Interviewer-led
Competitive response
Growth strategy
Market entry
Mergers & Acquisition
Public sector
Restructuring
Valuation
Company case provided by Company case by
BCG Platinion
BCG Platinion Case: ERP strategy & S/4HANA migration for “DekoKonzept”
Our client is the company “DekoKonzept”, which primarily sells home accessories and small furniture. DekoKonzept generates approximately €700M in revenue and operates mainly in Germany, with some presence in other European countries. The company is particularly represented through physical stores in major German cities and downtown areas but is also expanding its online shop significantly. A variety of outdated and often self-developed IT systems are currently used for core processes such as procurement, warehousing, and point-of-sale operations. DekoKonzept is also facing the challenge that its ERP system (SAP ECC 6.0) will soon no longer be officially supported by SAP. Therefore, they aim to migrate to the successor system SAP S/4HANA as soon as possible. This migration presents an opportunity to review, standardize, and harmonize many of the existing processes and systems. The next step is to further assess and evaluate the impact on costs, budget, and scope. Note: This case is interviewer-led. The cases in our interviews are more candidate-led. In this case, you take the lead and manage the entire case from start to finish. So be prepared for this when you apply to us.
4.2
10.9k times solved
Difficulty: Intermediate
Interviewer-led
Operations strategy
Case by
PrepLounge
Inverto Case: FashionForward’s Sourcing Shake-up
FashionForward is a mid-sized, private-label fashion retailer headquartered in Europe with €600 million in annual revenue. Its product portfolio includes fast-fashion collections for men and women, sold in 220 stores across six countries, and online. The company currently sources approximately 85% of its total production volume from Bangladesh, heavily relying on just three key suppliers for over 70% of that volume. Their procurement strategy is highly cost-driven, and supplier relationships are transactional. FashionForward has now asked Inverto to develop a new sourcing strategy. Over the last 18 months, FashionForward has faced increasing procurement challenges: - A drop in demand for trend-sensitive fashion categories - Long lead times (up to 40 days), limiting reactivity to seasonal trends - Repeated shipping delays and FX volatility from Banglades - Overstocking in basics and stockouts of fashion-forward items - ESG non-compliance flagged in two factories during an audit - Growing pressure from the board to increase agility and reduce dependency on Bangladesh
4.4
10.4k times solved
Difficulty: Intermediate
Interviewer-led
Market analysis
Operations strategy
Expert case by
Ian
BCG Platinion/McK Digital/Monitor - Experienced Hire Tech Practice - Roma Solutions
Let’s say we’re working with a large Tech company (i.e. FB, Apple, Microsoft etc.). They are interested in getting into the low-code iBPMS space. This is a space where pseudo-code is used to deploy large-scale process-based IT applications rapidly (in months, not years). In particular, they’re looking at a company called Roma, which is one of the leaders in the space. What are your thoughts here? You can clarify the following (if asked) - iBPMS - Intelligent business process management suites. Think SAP for example. They are IT systems that take users through business processes. - The business model of these Tech firms is primarily to find ways to integrate diverse offerings/capabilities to build better products and ecosystems. Therefore, technical synergies are important here. - The market is fairly competitive with about a dozen players. - Roma is a market leader in this space, vying for 1st against 2 competitors. The top 3 dominate the market.
3.7
8.1k times solved
Difficulty: Intermediate
Candidate-led
Brain teaser
Market analysis
Market entry
Mergers & Acquisition
New product
Company case provided by Company case by
Roland Berger
Roland Berger Case: Launch of a Mobile Neobroker
"FemVest" is a venture-backed fintech aiming to launch a mobile neobroker in Germany in 2026. The company believes that women are structurally underserved in the area of retail investing: women are less likely to hold a securities account, invest smaller amounts on average, and enter the market later than men. At the same time, the financial relevance of women is growing — driven by rising incomes, demographic shifts, and inheritances. FemVest has already secured regulatory approval as well as a custodian bank and execution partner. However, key strategic decisions remain open: the target segment has not been finalized, the product and service offering is not yet defined, the business model has not been established, and the go-to-market strategy has not yet been developed. The board is asking you, as a consultant, to analyze the market potential, develop an initial business case, and derive concrete strategic recommendations for market entry.
5.0
2.0k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Market entry
New product
Case by
PrepLounge
REA Reinsurance
Your client, REA, is a reinsurance company. REA recently acquired another reinsurance company (approximatively same size): the choice of this company was notably based on its product portfolio as well as its market presence which appeared complement with REA. However, the acquisition is not well received by the market. The acquisition price is considered too high and the transaction has not been well graded. REA management asks you to evaluate the transaction.
4.0
12.8k times solved
Difficulty: Advanced
Interviewer-led
Mergers & Acquisition
Company case provided by Company case by
CTcon
CTcon Case: Das beste Eis der Stadt!
Deine Klientin ist die Besitzerin der Eisdiele TOTO in einer deutschen Großstadt. Das Geschäft läuft so gut, dass die Besitzerin eine weitere Filiale eröffnen will. Sie ist hellauf begeistert und möchte auf Nummer sichergehen. Sie fragt Dich daher: Ist das eine gute Idee?
4.6
16.6k times solved
Difficulty: Intermediate
Interviewer-led
Capacity change
Growth strategy
Market entry
New product
Profitability analysis
Company case provided by Company case by
DHL Consulting
DHL Consulting Case: Local Commerce
DHL aims to create a new E-Commerce business model that combines: - A DHL-owned online marketplace. - Participation limited to local retailers. - Same-day parcel delivery services by DHL. The strategic goal is to strengthen the stationary retail sector as an important customer group. The DHL Consulting team is tasked by the DHL Business Unit "Post & Parcel Germany" (P&P) with identifying a suitable German city for a pilot project and estimating the potential revenue in that city.
4.3
10.2k times solved
Difficulty: Beginner
Interviewer-led
Market entry
Market sizing

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 demandpricing, 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 threatsBusiness 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 marketsbusiness 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.

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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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