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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 by
Bain & Company
Bain Case: BeautyCo – Where Did the Profits Go?
4.5
56.3k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Profitability analysis
Our client BeautyCo is a large European perfumery company with 500 shops across Europe. However, BeautyCo has been strug(...)
Our client BeautyCo is a large European perfumery company with 500 shops across Europe. However, BeautyCo has been struggling with a decrease in profi(...)
Case by
PrepLounge
Love thy neighbour as thyself
4.3
3.5k times solved
Difficulty: Intermediate
Candidate-led
Competitive response
Market analysis
Your client, Port-Pouri, is a discount retailer in Portugal having 130 stores spread throughout the country and thereby(...)
Your client, Port-Pouri, is a discount retailer in Portugal having 130 stores spread throughout the country and thereby being the largest player in th(...)
Case by
PrepLounge
From online to offline
3.7
4.8k times solved
Difficulty: Beginner
Candidate-led
Operations strategy
We are thinking of establishing a door-to-door distribution of an existing online newspaper in Kolkata, India. We haven'(...)
We are thinking of establishing a door-to-door distribution of an existing online newspaper in Kolkata, India. We haven't spent much time on how the p(...)
Case by
PrepLounge
Coffee pads
4.5
6.1k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market entry
New product
Profitability analysis
Your client is the CEO of Wiehle, a major household appliance manufacturer. It has been decided that a coffee machine sh(...)
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 l(...)
Case by
PrepLounge
Basic Accounting Interview Questions for Finance
5.0
300+ times solved
Difficulty: Beginner
Interviewer-led
Audit
This set of questions is designed to help you master key concepts in accounting and financial analysis. The difficulty p(...)
This set of questions is designed to help you master key concepts in accounting and financial analysis. The difficulty progresses from foundational qu(...)
Case by
PrepLounge
Well Being health care
4.3
29.1k times solved
Difficulty: Intermediate
Interviewer-led
Capacity change
Growth strategy
Market analysis
Public sector
Your client is Well Being (WB), a private healthcare company based in Germany.  Well Being operates 10 hospitals in(...)
Your client is Well Being (WB), a private healthcare company based in Germany.  Well Being operates 10 hospitals in Germany (in comparison to 1,0(...)
Expert case by
Updated
MBB Unconventional Case: Coral Reefs
0.0
0 times solved
Difficulty: Advanced
Candidate-led
Non-conventional
Public sector
Your client is the Government of Indonesia, specifically a joint committee formed between a few key ministries including(...)
Your client is the Government of Indonesia, specifically a joint committee formed between a few key ministries including the Ministry of Marine Affair(...)
Case by
PrepLounge
Golf balls
4.1
6.5k times solved
Difficulty: Beginner
Candidate-led
Market sizing
You’re a consultant based in Germany who is currently en route to a client in France who sells golf balls. You’re thinki(...)
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(...)
Case by
PrepLounge
Supermarket turnaround
4.5
20.7k times solved
Difficulty: Advanced
Candidate-led
Market analysis
Profitability analysis
Our client is a supermarket chain in Britain called Sparx. They have been the market leader for more than 30 years. Howe(...)
Our client is a supermarket chain in Britain called Sparx. They have been the market leader for more than 30 years. However 5 years ago they have seen(...)
Case by
PrepLounge
Nutripremium
4.5
75.9k times solved
Difficulty: Advanced
Candidate-led
Market analysis
Market entry
Market sizing
Nutripremium is a very well-known premium nutrition food company in Europe (€1 billion revenue last year). It is based i(...)
Nutripremium is a very well-known premium nutrition food company in Europe (€1 billion revenue last year). It is based in Spain and has an excellent m(...)
Expert case by
MBB Case: COVID-19 Vaccine
4.6
19.2k times solved
Difficulty: Advanced
Interviewer-led
Market analysis
Market sizing
Operations strategy
Organizational behavior
Public sector
The COVID-19 pandemic has killed millions of people worldwide and led to devastating economic impact. A vaccine is(...)
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 s(...)
Company case by
FTI-Andersch AG
FTI-Andersch AG Case: Business Transformation – Global Plastics AG
5.0
600+ times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market analysis
Operations strategy
Die Global Plastics AG ist ein im M-DAX gelistetes Unternehmen mit weltweit 2.500 Mitarbeitenden und einer Gesamtleistun(...)
Die Global Plastics AG ist ein im M-DAX gelistetes Unternehmen mit weltweit 2.500 Mitarbeitenden und einer Gesamtleistung in Höhe von € 395,0 Mio. in(...)
Case by
PrepLounge
M&A & Synergies Interview Questions for Finance
5.0
100+ times solved
Difficulty: Intermediate
Interviewer-led
Mergers & Acquisition
This question set explores the essentials of Mergers & Acquisitions (M&A) with a strong focus on synergies, valu(...)
This question set explores the essentials of Mergers & Acquisitions (M&A) with a strong focus on synergies, valuation implications, and deal s(...)
Company case by
Roland Berger
Roland Berger Case: Onlinestar
4.2
110.0k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Market analysis
Profitability analysis
Onlinestar, an online retailer of furniture and garden products (core business), has grown significantly in recent years(...)
Onlinestar, an online retailer of furniture and garden products (core business), has grown significantly in recent years as a result of an expansion o(...)
Case by
PrepLounge
Premium Brand Apparel Retailer
4.2
8.5k times solved
Difficulty: Intermediate
Candidate-led
Competitive response
Growth strategy
Operations strategy
We are a premium brand apparel retailer facing a consistent decrease in market share. We would like you to figure out wh(...)
We are a premium brand apparel retailer facing a consistent decrease in market share. We would like you to figure out why this is happening and provid(...)
Company case by
Oliver Wyman
Oliver Wyman Case: Full Electrons Ahead
4.4
136.2k times solved
Difficulty: Intermediate
Candidate-led
Growth strategy
Market analysis
Market sizing
Operations strategy
Your client, large automotive OEM WyCar, has developed its first fully electric vehicle (EV) and introduced it as a pilo(...)
Your client, large automotive OEM WyCar, has developed its first fully electric vehicle (EV) and introduced it as a pilot on the Austrian market last(...)
Expert case by
Element Mobile expands into refurbished phones (MBB 2nd round)
4.6
15.2k times solved
Difficulty: Intermediate
Interviewer-led
Competitive response
Growth strategy
Market analysis
Market entry
Market sizing
New product
Pricing
Profitability analysis
Our client, Element Mobile (EM), is the largest German telecommunications provider, with an impressive supply chain comp(...)
Our client, Element Mobile (EM), is the largest German telecommunications provider, with an impressive supply chain comprised of dozens of suppliers,(...)
Expert case by
New
McKinsey Unconventional Case: Inclusive Cafes
0.0
0 times solved
Difficulty: Intermediate
Interviewer-led
Non-conventional
Your client is a leading retail coffee chain. They are present in several countries globally and are a popular brand in(...)
Your client is a leading retail coffee chain. They are present in several countries globally and are a popular brand in most of the markets that they(...)
Expert case by
COVID-19 impact on Heathrow Airport
4.4
9.8k times solved
Difficulty: Intermediate
Interviewer-led
Brain teaser
Market analysis
Operations strategy
Profitability analysis
Your client is the CEO of Heathrow airport (London), the busiest airport in Europe in terms of commercial traffic.Due to(...)
Your client is the CEO of Heathrow airport (London), the busiest airport in Europe in terms of commercial traffic.Due to COVID-19, the airport's opera(...)

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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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 confident and 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 YouHaving 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.PopulationCountry/RegionPopulation (approx.)Worldwide8.05 billionChina1.426 billionIndia1.419 billionEurope (EU states)450 millionUSA335 millionIndonesia277 millionBrazil203 millionRussia143 millionJapan124 millionGermany83 millionUK68 millionGDP Forecast in USD for 2024Country/RegionGDP 2024 (approx. in trillions USD)Worldwide105 trillion USDUSA25 trillion USDChina18 trillion USDJapan4.3 trillion USDGermany4.5 trillion USDFrance3.0 trillion USDUK3.1 trillion USDIndia3.9 trillion USDItaly2.2 trillion USDBrazil2.1 trillion USDCanada2.2 trillion USD Key Data to Know for Your Case InterviewIn 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 HoursLarger UnitsSmaller UnitsDays/Year365 days (In leap years: 366 days)Days/3 Years1,095 daysDays/4 Years1,461 days (including 1 leap year)Weeks/Year52 weeksHours/Week168 hoursSeconds/Hour3,600 secondsConversion of Fractions to Percentages and Decimal ValuesFractionPercentageDecimal1/520%0.201/616.67%0.16671/714.29%0.14291/812.5%0.1251/911.11%0.11111/1010%0.101/119.09%0.09091/128.33%0.08331/137.69%0.07691/147.14%0.07141/156.67%0.06671/166.25%0.06251/175.88%0.05881/185.56%0.05561/195.26%0.05261/205%0.05Remember, 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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