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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
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 A variety of outdated and often self-developed IT systems are currently used for core processes such as procurement, warehousing, and point-of-sale operations.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
11.5k times solved
Difficulty: Intermediate
Interviewer-led
Operations strategy
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
72.2k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Profitability analysis
Company case provided by Company case by
BCG Platinion
BCG Platinion Case: Digital transformation of an entire corporation
The CIO of a major insurance company needs your support to renew the company's IT landscape as a starting point for their digital transformation. The IT landscape of the client is highly fragmented and integrated. Most IT applications are "legacy" monolithic custom developments (running on Mainframe) and are hosted on-premise. There are issues with stability and scalability of applications plus IT costs are ever increasing "Time-to-market" to release new functionalities is too high, due to constraints of current architecture. You are asked to quickly assess the status quo, identify main areas of intervention and measures to address the pain points and renew the IT landscape. 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.
3.9
27.7k times solved
Difficulty: Advanced
Interviewer-led
Digital transformation
Market analysis
Operations strategy
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
76.4k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Pricing
Expert case by
Antonello
Caribbean Island – MBB Final Round
A wealthy client has recently bought an island in the Caribbean. She has engaged us to identify possible uses for her new island.
4.6
17.7k times solved
Difficulty: Intermediate
Candidate-led
Brain teaser
Market sizing
Profitability analysis
Valuation
Case by
PrepLounge
Working Capital & Cash Flow Interview Questions Set
Working capital and cash flow are core drivers of a company’s liquidity and financial health, and they frequently come up in finance interviews. This case will test your understanding of working capital basics, the cash conversion cycle, links to free cash flow, and practical ways companies manage short-term financing needs.
5.0
600+ times solved
Difficulty: Intermediate
Interviewer-led
DCF (Discounted Cash Flow)
Non-conventional
Operations strategy
Case by
PrepLounge
Disguise distribution
Your client is a German manufacturer of disguises for events and parties called KostümCo. They segment their products in two lines: round-the-year and seasonal products. Round-the-year products serve customers that celebrate birthdays and common parties during the whole year. Seasonal products aim at special occasions like the carnival or the beer festival in Munich and are only sold for some time before these events. KostümCo makes the design, manufacturing and resells the disguises to retailers in 5 different German cities. Recently, though, the largest retail customer complained that KostümCo’s prices are too high. After some internal analyses, the client found this to be due mainly to distribution costs. You have been asked to figure out how we can reduce distribution costs.
4.4
38.6k times solved
Difficulty: Beginner
Candidate-led
Market analysis
Operations strategy
Profitability analysis
Company case provided by Company case by
OC&C
CleanWave – When the Suds Settle
CleanWave is a leading branded manufacturer of dishwashing products in Germany, primarily selling dishwashing tabs and liquids. During the Covid period (2020–2021), the company experienced unusually strong growth in revenues and profits. Since 2022, however, CleanWave’s revenues and profitability have declined significantly. Management believes this is mainly driven by weaker consumer demand and increased price pressure. You are asked to: - Estimate the size of the German dishwashing market - Analyse the drivers of CleanWave’s declining revenues and profits - Understand the impact of Covid and post-Covid market dynamics - Develop strategic recommendations for CleanWave going forward
4.5
1.6k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market analysis
Market sizing
New product
Expert case by
Ben
ProfitWizardry: Maximizing Hogwarts University's Magical Margins
Your client is Hogwarts University. Their President, Dr. Albus Dumbledore, is concerned with the university’s profitability and needs your help in determining the best course of action.
0.0
300+ times solved
Difficulty: Intermediate
Candidate-led
Profitability analysis
Public sector
Expert case by
Clara
Market entry: Disrupting the New York - Boston railway industry
Currently, there is only one train company operating the Boston – New York route: AMTRAK. The option of traveling by train between the two metropolis is gaining traffic, particularly in winter times, during which it´s the best way to avoid weather-related delays. Furthermore, it´s the most environmentally friendly of all available options. Your client is a powerful investor who is assessing business options in the US (with investment sizes averaging 100M$), and has approached you for advice on starting a new train operation company to compete against AMTRAK. In particular, she wants to start by opening a new service between New York and Boston. Should the investor go ahead and launch the business?
4.9
8.2k times solved
Difficulty: Intermediate
Interviewer-led
Market analysis
Market entry
Operations strategy
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
82.5k times solved
Difficulty: Advanced
Candidate-led
Operations strategy
Profitability analysis
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
16.8k times solved
Difficulty: Intermediate
Interviewer-led
Capacity change
Growth strategy
Market entry
New product
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.
4.8
1.0k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
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
14.0k times solved
Difficulty: Intermediate
Candidate-led
Operations 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
152.1k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Market analysis
Market sizing
Mergers & Acquisition
Case by
PrepLounge
Bangkok motorbike
If you have ever been in Bangkok, you would have noticed these motorcycles transporting people from A to B as an alternative means of transportation. These motorcycles typically transport people on short distances such as nearby train stations, supermarkets or food stalls. Your job is to estimate how much profit a motorcycle can generate in a month’s work meaning that you have to estimate both revenue & cost to be able to estimate profit.
4.1
8.1k times solved
Difficulty: Beginner
Candidate-led
Market sizing
Profitability analysis
Case by
PrepLounge
Powered Wheelchairs
We have been hired by the CEO of Comfort Chairs, a company that manufactures complex powered wheelchairs. Comfort Chairs has headquarters in Sweden with manufacturing in Sweden and sales all over Europe. The company enjoys a strong market position and is known for being a pioneer in its industry. It was recently acquired by a leading global private equity firm that is interested in driving the international growth of Comfort Chairs. Especially, the US market looks very interesting. The CEO has hired you to help him with two things: 1. Determine the size and the growth of the US market for complex powered wheelchairs. 2. Analyze whether entering the US market is attractive.
4.5
9.6k times solved
Difficulty: Advanced
Candidate-led
Market entry
Market sizing
Case by
PrepLounge
Fysikum
Your client, Fysikum, is an operator of squash centres in Sweden. The squash centres include sauna, spa, pool, gym and of course the squash courts. Due to the extreme success in Sweden the company is considering expanding to other countries of Europe, in particular Germany. Therefore they asked us to evaluate this possible expansion.
4.4
33.3k times solved
Difficulty: Intermediate
Interviewer-led
Market entry
Pricing
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
95.0k times solved
Difficulty: Beginner
Candidate-led
Operations strategy
Profitability analysis
Expert case by
Cristian
Digital Lab at LETA Bank (McK/BCG Digital)
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 underperforming relative to competitors in terms of its personal loan sales. Our objective is to support LETA Bank in identifying the root cause of its underperformance and to develop a strategy for addressing it. The bank recently hired a new CTO who is excited about working with us and whose hypothesis is that the bank is currently lagging behind in terms of its digital assets and products, which makes it fall short of customer expectations, thus leading to lower sales across its product groups and especially in its most popular lending product – the personal loans.
4.9
7.2k times solved
Difficulty: Advanced
Interviewer-led
Competitive response
Growth strategy
Market analysis
New product
Organizational behavior
Profitability analysis

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.

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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.
To the article
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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