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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
Mercedes-Benz Management Consulting
MBMC Case: Software-Revolution im Automobilsektor
Ein Automobilhersteller hat zu einer Strategiekonferenz mit dem Vorstand eingeladen. Es soll die zukünftige Positionierung des Unternehmens diskutiert werden. Sie sind als Speaker in der Konferenz eingeplant und sollen einige Fragestellungen beantworten, die Sie vom Vorstand erhalten haben. Grundsätzlich kommt es dem Unternehmen darauf an, mit der strategischen Ausrichtung einen mittel- bis langfristigen Wettbewerbsvorteil auf dem Markt zu erlangen.
4.6
8.7k times solved
Difficulty: Intermediate
Interviewer-led
New product
Profitability analysis
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
72.0k times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Profitability analysis
Company case provided by Company case by
SET Management Consulting
SET Case: Your own Management Consultancy
As one of three management consultants with many years of experience, you have SET yourself the goal of founding your own management consultancy. The topics, contents and solution offering with which you can advise and support potential customers are clear. The legal company is already founded and registered in the commercial register. Now you must pitch your business plan to the banks to get the necessary start-up financing! Especially the banks are interested in the underlying rationale of the SET Management Consulting business model. Your goal is to think of relevant financial KPIs and be prepared to explain the underlying revenue and cost streams in more detail.
4.4
21.0k times solved
Difficulty: Intermediate
Interviewer-led
Market entry
Profitability analysis
Company case provided by Company case by
Berg Lund & Company
Berg Lund & Company Case: Value Growth Strategy - Northern Retail Bank
Du befindest Dich derzeit in einem strategischen Projekteinsatz bei der Northern Retail Bank (NRB), die vor drei Jahren von einem Finanzinvestor übernommen wurde. Während des Mittagessens lädt Dich der CEO zu einem Espresso in sein Büro ein. Dort erläutert er, dass der Finanzinvestor bestrebt ist, den Unternehmenswert der Bank zu steigern – möglicherweise für einen künftigen Verkauf oder Börsengang, weitere Details stehen zum jetzigen Zeitpunkt noch nicht fest. Gemeinsam mit Deinem Projektteam sollst Du nun Maßnahmen entwickeln, um die Profitabilität der Bank zu verbessern. Angesichts der Ergebnisse des letzten Geschäftsjahres und des intensiven Wettbewerbsdrucks sieht der CEO hier dringenden Handlungsbedarf. Der CEO bittet Dich darum, in 30–45 Minuten in sein Büro zurückzukommen, um Deine fachkundige Einschätzung für erste konkrete Stellhebel zu diskutieren.
4.9
5.3k times solved
Difficulty: Intermediate
Interviewer-led
Operations strategy
Restructuring
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
11.1k times solved
Difficulty: Intermediate
Interviewer-led
Market analysis
Operations strategy
Case by
PrepLounge
Gravestone Inc.
Your client, Gravestone Inc., is a mason producing gravestones situated in Switzerland. He is producing high-quality, hand-crafted gravestones with very skilled labour-force. In the recent past a technology was developed that would allow him to produce his gravestones with much less labour. He is contacting us to make a decision if he should invest in this new technology and if he even should remain in the business itself.
4.4
14.5k times solved
Difficulty: Intermediate
Interviewer-led
Profitability analysis
Valuation
Case by
PrepLounge
M&A Interview Questions Set
This set of questions is designed to help you master the fundamentals of mergers and acquisitions (M&A). The questions start with basic concepts, such as the difference between mergers and acquisitions, and progress to key topics like synergies, accretive and dilutive deals, and the merger model. In total, walking through this set in an interview would take approximately 30 minutes, making up around 60% of a typical 45-minute interview. Below, you’ll find model answers for each question, along with tips for the interviewer on what to look for in candidate responses.
5.0
500+ times solved
Difficulty: Beginner
Interviewer-led
Mergers & Acquisition
Case by
PrepLounge
Vorsprung durch Marge
Dein Klient ist der Vorstandsvorsitzende eines großen Automobilkonzerns. Er möchte, dass Du ihm hilfst, die Gewinnmarge seines Unternehmens zu verbessern.
4.4
4.5k times solved
Difficulty: Advanced
Interviewer-led
Growth strategy
Profitability analysis
Expert case by
Moritz
Zero Carbon Mine (McKinsey)
CLIENT OBJECTIVE Our client, Global Mining Corp (GMC), wants to know whether it should pursue producing and selling "green copper" from its Chilean and Australian mines over the coming decade. BACKGROUND INFORMATION Green copper is the same product as conventional copper, but certified as produced with net-zero carbon emissions at the mine. GMC operates open-pit copper mines, mostly in remote areas of Chile and Australia. The ore is blasted with explosives, pushed into piles by bulldozers and loaded by power shovels onto haul trucks, which carry it some distance to the processing site. This mobile equipment runs on diesel and includes some of the heaviest vehicles in the world. At the processing site, the rock is crushed further and then leached with acid, and the copper is recovered as cathodes using large amounts of electricity. The cathodes travel by truck and rail to the nearest port and are shipped to customers around the world. The CEO has asked McKinsey to assess the prospects of reaching net zero at the mines and whether green copper is worth pursuing.
4.0
5.1k times solved
Difficulty: Advanced
Interviewer-led
Operations strategy
Expert case by
Francesco
Bain Final Round Case - Streaming Services [NEW]
Our client is a large American music company with a 40% market share and $20 billion in revenue. During the last holiday season, the client released fewer new tracks onto music streaming services compared to the year before. We would like you to figure out what could be causing this and possible solutions to the problem.
4.7
9.0k times solved
Difficulty: Intermediate
Candidate-led
Capacity change
Operations strategy
Case by
PrepLounge
Increasing net worth of Johnny Depp
Johnny Depp, now 56 years old, has started to feel that his acting career is about to get over. His net worth crossed over $650 million at the peak of his career but has since dwindled, amid lawsuits and lifestyle expenses. As such, he thinks that his current wealth might not be enough for his upcoming years. So, he’s hired you as a consultant to help him find ways to multiply his worth. What can you suggest?
4.3
2.7k times solved
Difficulty: Intermediate
Interviewer-led
Brain teaser
Market analysis
New product
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
1.5k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market analysis
Market sizing
New product
Case by
PrepLounge
Inverto Case: Fast Dish Restaurant
Fast Dish, a publicly traded Quick Service Restaurant (Franchise) company with over €20 billion in revenue and more than 20.000 restaurants globally, has recently faced major challenges with regards to supply chain management and sustainability. The client's top management has engaged the SCM and procurement specialized consultancy Inverto to advise the company in this critical situation.
3.5
16.5k times solved
Difficulty: Intermediate
Interviewer-led
Operations strategy
Organizational behavior
Pricing
Profitability analysis
Expert case by
Dennis
Opportunity Assessment: Alternative Revenue Streams for a Salt Mine
Salty Boy Inc. is an underground salt mine in Texas whose new leadership are supporters of the circular economy. Circular economy provides a pathway towards more sustainable production and consumption patterns – CE introduces circularity to many areas of production cycles and encourages using renewable, regenerative inputs (e.g., energy) and minimizing systematic leakage (e.g., waste). After decades of extracting salt form the earth, Salty Boy’s new leadership find themselves in possession of a network of empty, temperature and moisture stable tunnels located conveniently near major fiberglass waste sources and logistics networks. As a result, Salty Boy sees the potential for an alternative revenue stream. Their rationale is that they have ample and well-located storage capacities in their tunnels that they could use to position themselves well for an emerging recycling trend that could turn fiberglass waste into an eco-friendly and valuable raw material. Salty Boy is looking for your help to assess this potential opportunity.
4.0
900+ times solved
Difficulty: Intermediate
Candidate-led
Market analysis
Market entry
Market sizing
Sustainability
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
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
11.2k times solved
Difficulty: Beginner
Interviewer-led
Market entry
Market sizing
Case by
PrepLounge
Liquid Energy
Liquid Energy, an Oil & Gas company, is evaluating the purchase of one of three oil fields in Latin America. After purchasing the rights to extract oil from one of these fields, Liquid Energy will outsource the drilling activity. You have been brought in to identify the best investment for Liquid Energy. How would you evaluate the three oil fields, and which oil field should Liquid Energy purchase?
4.0
10.4k times solved
Difficulty: Intermediate
Interviewer-led
Growth strategy
Market analysis
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
Expert case by
Franco
BCG X - Forward Deployed AI Scientist / Engineer - AI-Enabled Fraud Detection for a Digital Bank
Your client is NovaBank, a fast-growing European digital bank offering current accounts, debit cards and credit cards. Over the past year the value of fraudulent card transactions has increased significantly. NovaBank relies on a rule-based fraud system, for example blocking transactions above certain amounts or coming from unusual locations. The system has two problems: it misses many sophisticated frauds, and it blocks a large number of legitimate customer payments. NovaBank is considering replacing or complementing its rules with a machine-learning model, and has asked BCG X to assess whether machine learning can materially improve fraud detection, how the solution should be designed, what value it could generate, and how to roll it out without damaging the customer experience.
3.0
400+ times solved
Difficulty: Advanced
Interviewer-led
Digital transformation
Operations strategy
Profitability analysis
Company case provided by Company case by
FTI-Andersch AG
FTI-Andersch AG Case: Turnaround – Global Plastics AG
Sie wurden vom Vorstand der Global Plastics AG beauftragt, die wirtschaftliche Performance der Unternehmens-Gruppe im Rahmen eines Independent Business Review (IBR) zu analysieren und das Management zu beraten. Das Unternehmen ist seit dem 1. Januar 2019 durch eine Kontokorrentlinie i.H.v. € 150,0 Mio. finanziert. Darüber hinaus gibt es keine weiteren Verbindlichkeiten gegenüber Kreditinstituten. Das finanzierende Bankenkonsortium hat aufgrund schlechter Quartalszahlen und einer angespannten Marktlage eine Validierung der Mittelfristplanung angefordert. Die Global Plastics AG produziert weltweit in 5 Werken Kunststoffbauteile für Fahrzeuginnenräume in den Anwendungsbereichen PKW (PT-Segment), LKW (CT-Segment) sowie Land- (AG-Segment) und Baumaschinen (CON-Segment). Global Plastics beliefert primär deutsche Premium-OEMs und gilt als Qualitätsführer im Interior-Markt. Das Unternehmen nutzt dabei patentierte Technologien in den Bereichen Spritzguss, Kunststoffgalvanik sowie Heißprägung. Der Interior-Markt ist zunehmend von einem Preisdruck durch asiatische Wettbewerber geprägt, die den Qualitätsansprüchen europäischer Kunden immer besser entsprechen. Die Global Plastics AG hat Ihnen zur Analyse ihre GuV und Bilanz zur Verfügung gestellt. Dort sind die Ergebnisse der Geschäftsjahre 2019 bis 2021 sowie der Forecast des Geschäftsjahres 2022 enthalten. Bitte lösen Sie die unten aufgeführten Aufgaben.
4.6
4.0k times solved
Difficulty: Beginner
Candidate-led
Restructuring

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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