Writing Guide

How to Analyse a Business Case Study

A repeatable method for reading the case, defining the real problem, applying the right frameworks, weighing options and writing recommendations a manager could act on.

Updated October 2026 · 7 min read

To analyse a business case study, read the case for facts, define the central problem, apply frameworks that explain it, evaluate realistic options against clear criteria and recommend one course of action with an implementation plan.

Case analysis is a core assessment in business and MBA programmes because it tests judgement, not memory. This guide sets out a method you can repeat on any case, with a worked example and the mistakes that cost the most marks.

The Six-Step Case Analysis Method

Read the case twice, define the core problem in one sentence, diagnose its causes with suitable frameworks, generate two to four realistic options, evaluate them against stated criteria and recommend one with an action plan.

Your recommendation must follow from your analysis. A marker should be able to trace every proposal back to evidence in the case.

Step 1: Read the Case Strategically

Read the case once quickly for the story: who the organisation is, who the decision-maker is and what decision they face. Then read again slowly, taking notes and marking exhibits.

  • Note facts, figures and dates, and separate them from opinions voiced by characters.
  • Study the exhibits, such as financial statements and market data; they often hold the key evidence.
  • List the stakeholders and what each one wants.
  • Write down the question your tutor has set, so the analysis stays on target.

Treat claims made by people in the case with care. A manager's view of the problem may be part of the problem.

Step 2: Define the Core Problem

Cases are full of symptoms: falling sales, staff turnover, angry customers. Your job is to find the underlying problem that links them.

Symptom: Sales fell for three consecutive quarters.

Core problem: The firm kept competing on price in a segment where customers now choose on convenience, so discounts no longer win business and erode margins.

Write the problem as one or two sentences and test it: does it explain most of the symptoms? If not, dig further before moving on.

Step 3: Diagnose with the Right Frameworks

Frameworks help you organise evidence and spot causes. Choose the ones that fit the problem rather than applying every model you know.

FrameworkBest forWhat it reveals
PESTLEChanges in the wider environmentPolitical, economic, social, technological, legal and environmental pressures
Porter's Five ForcesIndustry attractiveness and competitionWhere profit pressure comes from
SWOT and TOWSSummarising position and generating strategiesHow internal factors meet external ones
Value chainOperational performance and costWhich activities create or destroy value
VRIOSources of competitive advantageWhether resources are valuable, rare, hard to imitate and organised
Financial ratiosPerformance and financial healthTrends in profitability, liquidity and efficiency
Stakeholder mappingDecisions with competing interestsWho has power and interest, and how to manage them

Apply each framework to the case evidence and say what it shows. "Buyer power is high because three retailers account for most sales, which explains the margin squeeze" is analysis; defining buyer power is not.

Using the Numbers in the Case

Many students skip the exhibits, which is a missed opportunity. Even simple calculations strengthen an argument.

  • Trends: calculate growth or decline over the years given.
  • Margins: compare gross and operating margins over time or against competitors in the case.
  • Break-even: estimate how many units a new option needs to cover its costs.
  • Sensitivity: show how results change if a key assumption is wrong.

Show your working in an appendix and state assumptions clearly. Use only the figures the case provides or credible published data; never invent numbers.

Step 4: Generate Realistic Options

Develop two to four distinct alternatives that address the core problem. Include doing nothing or continuing the current strategy as a baseline when it is genuinely possible.

Options should be different strategies, not variations of one idea. "Cut prices by 5 percent" and "cut prices by 10 percent" are one option; "cut prices", "launch a delivery service" and "reposition as premium" are three.

Step 5: Evaluate Options Against Criteria

Set criteria before you judge the options, then apply them consistently. A decision matrix makes the comparison transparent.

CriterionOption A: price cutsOption B: delivery serviceOption C: premium repositioning
Addresses core problemWeakStrongModerate
Cost and resourcesLow upfront, hurts marginModerateHigh
Fit with capabilitiesGoodGood, using existing storesWeak, brand seen as budget
RiskPrice warExecution riskCustomer loss during change
Time to impactFastMediumSlow

Explain the matrix in prose. The table supports your judgement; it does not replace it.

Step 6: Recommend and Plan Implementation

Choose one option, or a clear combination, and defend it. Then show how it would work in practice.

  1. Recommendation: state the decision in one sentence.
  2. Justification: link it to your analysis and criteria.
  3. Actions: the main steps, who leads them and in what order.
  4. Timeline: short, medium and longer-term milestones.
  5. Resources: budget, people and systems needed.
  6. Risks and mitigation: what could go wrong and how to respond.
  7. Measures of success: the indicators that will show it is working.

Example recommendation. The firm should launch a delivery service from its existing stores within six months, led by the operations director. This addresses the shift towards convenience identified in the PESTLE and customer data, uses the store network highlighted as a strength, and avoids the margin damage of further price cuts. Success should be measured by delivery order volume and gross margin per order at the end of the first year.

Managing Time on a Case

Whether you have a week or a timed exam, the split of effort matters. Students often spend too long reading and summarising, then rush the recommendation.

  • Reading and notes: about a fifth of your time.
  • Problem definition and diagnosis: about a third.
  • Options and evaluation: about a quarter.
  • Recommendation, implementation and editing: the remainder.

In a timed case exam, sketch the problem statement and your recommendation early, then fill in the analysis. That way an answer exists even if time runs short.

Writing up the Case Analysis

Follow your tutor's format if one is given. Otherwise, a report structure with headings works well:

SectionPurpose
Executive summaryProblem, key findings and recommendation on one page or less
Introduction and problem statementContext and the core problem
AnalysisFramework-based diagnosis supported by case evidence
Options and evaluationAlternatives compared against criteria
Recommendation and implementationThe decision and how to carry it out
ConclusionA brief restatement of the decision and its main benefit
AppendicesCalculations, frameworks and supporting tables

Write the executive summary last. Many readers, including some markers, read it first and use it to judge the whole report.

Common Case Analysis Mistakes

  • Retelling the case instead of analysing it.
  • Treating symptoms as the core problem.
  • Listing frameworks without applying them to case evidence.
  • Ignoring the financial exhibits.
  • Recommending everything rather than making a decision.
  • Recommendations with no implementation plan, owner or measure.
  • Introducing outside facts the case contradicts.

Assume the reader has read the case. Summarise background in a few sentences and spend your words on diagnosis and decision.

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Frequently Asked Questions

How do you analyse a business case study?

Read the case carefully, define the core problem, diagnose causes with suitable frameworks, generate realistic options, evaluate them against criteria and recommend one with an implementation plan.

Which frameworks should I use for a case study?

Choose frameworks that fit the problem: PESTLE for environmental change, Five Forces for competition, SWOT or TOWS for strategy, value chain for operations and ratios for finances.

How long is a case study analysis?

Many are 1,500 to 3,000 words, though MBA reports can be longer. Follow your brief.

Should I use outside sources in a case analysis?

Some tutors want analysis based only on the case; others expect academic and industry sources. Check the brief and cite anything you add.

How many options should I evaluate?

Two to four distinct, realistic options usually give enough comparison without diluting the analysis.

What is the difference between a case study and a case analysis?

A case study is the description of a situation. A case analysis is your diagnosis of that situation and your recommendation for what to do.

Should I write in first person?

Most business case reports use a neutral, third-person style. Some reflective case assignments allow first person; check your guidelines.

Can I recommend more than one option?

You can combine elements if they work together, but you must still make a clear decision and explain the priority.