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Author: Taylor Warfield, Former Bain Manager and Interviewer

SWOT analysis is one of the most widely used frameworks in business strategy. If you're preparing for consulting interviews, you'll need to understand how it works and when to use it.
In this guide, I’ll cover everything you need to know about SWOT analysis. You'll learn what it is, how to conduct it, and how to use SWOT thinking in your case interviews without falling into common traps.
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A SWOT analysis is a strategic planning framework that evaluates four key areas of a business or situation: Strengths, Weaknesses, Opportunities, and Threats.
The framework divides these four areas into two categories. Strengths and weaknesses are internal factors that the company can control. Opportunities and threats are external factors that exist in the market or broader environment.
Consultants and business leaders use SWOT analysis to assess a company's current position and identify potential strategic directions. It's particularly useful for getting a quick, high-level view of a business situation before diving into deeper analysis.
The framework is typically displayed as a 2x2 matrix with internal factors on top and external factors on the bottom. Positive factors sit on the left side while negative factors sit on the right.
Strengths are internal attributes that give a company an advantage over competitors. These are things the company does well or resources it possesses that others don't.
When identifying strengths, ask questions like:
Examples of strengths include:
Weaknesses are internal factors that put the company at a disadvantage relative to competitors. These are areas where the company struggles or lacks necessary resources.
When identifying weaknesses, ask questions like:
Examples of weaknesses include:
Opportunities are external factors that the company could potentially exploit to its advantage. These exist in the market or broader environment and are not controlled by the company.
When identifying opportunities, ask questions like:
Examples of opportunities include:
Threats are external factors that could cause trouble for the company. Like opportunities, these exist outside the company's control but must be monitored and addressed.
When identifying threats, ask questions like:
Examples of threats include:
Conducting a SWOT analysis involves five key steps. While the framework itself is simple, the quality of your analysis depends on how thoroughly you execute each step.
Before starting any analysis, clarify what decision you're trying to make. A SWOT analysis for "should we enter a new market" will look very different from one addressing "how do we improve profitability."
Having a clear objective focuses your research and helps you identify which factors actually matter. Without this focus, you'll end up with a generic list that doesn't drive toward actionable conclusions.
Good SWOT analysis requires good data. For internal factors, look at:
For external factors, research:
Don't rely solely on one perspective. Talk to people in different roles and functions. Sales teams see different things than operations teams. Customers see things that employees miss entirely.
Work through each quadrant systematically. Start with strengths, then move to weaknesses, opportunities, and finally threats.
For each category, aim to identify five to ten factors. Cast a wide net initially. You'll narrow down later. At this stage, quantity matters because you don't want to miss something important.
Not everything you identified carries equal weight. Some strengths are critical differentiators while others are minor advantages. Some threats are existential while others are manageable annoyances.
Rank the factors in each quadrant by importance. Consider both the magnitude of impact and the likelihood of occurrence. Focus your attention on the factors that will most significantly affect the strategic decision you're trying to make.
A SWOT analysis is only useful if it leads to action. Look for connections between the quadrants that suggest strategic directions.
The best recommendations emerge from combining insights across multiple quadrants rather than addressing each one in isolation.
Let's walk through a SWOT analysis for a realistic business scenario.
Example: A regional coffee chain with 50 locations in the Pacific Northwest is considering expanding nationally. They've asked us to assess whether this is a good strategic move.
Strengths
Weaknesses
Opportunities
Threats
Strategic Implications
This SWOT analysis suggests a cautious approach to national expansion. The company has real strengths in product quality and operations, but significant weaknesses in the capabilities needed for national scale.
A potential recommendation would be to pursue expansion through a franchise model in suburban markets where competition is less intense. This approach leverages the company's strengths while addressing capital constraints and avoiding direct competition with national chains in urban centers.
Here's something most candidates get wrong: you should never directly use a SWOT analysis framework in a case interview. Doing so often feels forced and lazy.
Instead, use SWOT as a mental model to inform your thinking. The concepts behind SWOT should shape the questions you ask, the framework you build, and the recommendations you make.
SWOT concepts show up in many case types, but each type has its own more tailored framework. Understanding this distinction is critical for case interview success.
SWOT thinking is highly relevant here. You need to assess whether the company has the strengths to succeed in a new market while understanding the external opportunities and threats.
However, the optimal framework for market entry cases is not SWOT itself. Instead, use a market entry framework that covers:
SWOT thinking informs each of these buckets, but the structure is tailored to the specific decision.
When evaluating an acquisition target, you're essentially conducting a SWOT analysis of that company. You want to understand what makes the target valuable (strengths), what problems exist (weaknesses), what growth potential exists (opportunities), and what risks could destroy value (threats).
A more tailored framework here covers:
SWOT concepts map directly to these categories, but the framework is structured around the M&A decision rather than the generic SWOT quadrants.
When a competitor makes a move and the client needs to respond, understanding relative strengths and weaknesses is essential. You need to assess both companies to determine where the client can win.
The more tailored framework focuses on:
SWOT thinking helps you assess the relative positioning, but it's not the framework you present.
Identifying growth opportunities requires understanding what the company is good at (strengths) and where external possibilities exist (opportunities). But growth strategy cases need a framework built around growth vectors.
A more tailored framework covers:
SWOT thinking informs which options are realistic given company capabilities, but the framework is oriented toward actionable growth paths.
SWOT is less relevant here. These cases require a profit tree that breaks down revenue and costs into their component parts. While understanding competitive strengths and weaknesses provides context, the core analysis is financial.
The optimal framework is a profitability tree: Profit = Revenue minus Costs, with revenue broken into price and volume, and costs broken into fixed and variable.
SWOT thinking is secondary to the quantitative analysis.
When the case focuses on improving operations, supply chain, or internal processes, SWOT is not the right lens. These cases need process-focused frameworks.
The optimal framework:
While internal weaknesses might be the reason for the problem, the solution requires operational analysis rather than strategic positioning.
SWOT is a way of thinking, not a framework to present. When you hear a case prompt, your mind should naturally consider:
These questions inform the custom framework you build for that specific case. But your framework should be structured around the decision at hand, not around the SWOT quadrants themselves.
Most people conduct SWOT analysis in a vacuum. They list strengths and weaknesses as if they exist in absolute terms. This is a big mistake.
Strengths and weaknesses only matter relative to competitors. A "strong brand" is only a strength if it's stronger than competing brands. "Good customer service" is only a strength if customers prefer your service over alternatives.
Here's an example of the difference:
Strengths:
This tells us almost nothing useful. Every company claims good product quality and experienced teams.
Strengths:
This version provides actionable insight because it positions the company against specific competitors.
When conducting SWOT analysis, always ask "compared to whom?" A strength that every competitor also possesses is not a differentiator. A weakness that is common across the industry may not be a priority to fix.
The same logic applies to opportunities and threats. An opportunity that all competitors can equally exploit is less valuable than one where your company has a unique ability to capture it.
Beyond forgetting relativity, there are several other mistakes that undermine SWOT analysis effectiveness.
This is the most basic error. Strengths and weaknesses must be internal factors that the company controls. Opportunities and threats must be external factors in the environment.
"Strong market growth" is not a strength. It's an opportunity. The market growth exists regardless of what the company does. Similarly, "our biggest competitor is aggressive" is not a weakness. It's a threat. The competitor's behavior is external.
Vague factors provide no actionable insight. "Good product" tells you nothing. "Product rated highest in J.D. Power quality survey for three consecutive years" tells you something useful.
Push for specificity in every quadrant. What exactly is the strength? How significant is it? What evidence supports the claim?
Some people treat SWOT as a brainstorming exercise and list twenty items in each quadrant. This dilutes focus and obscures what actually matters.
Limit each quadrant to three to five factors that are most relevant to the strategic decision at hand. If you can't prioritize, you haven't thought deeply enough about what matters.
People naturally want to highlight positives and minimize negatives. This bias makes SWOT analysis useless for actual decision-making.
Be brutally honest about weaknesses. The goal is not to feel good about the company. The goal is to understand reality so you can make better decisions.
A SWOT analysis that sits on a shelf is worthless. The entire point is to inform strategic decisions and actions.
Every SWOT analysis should conclude with "so what?" What does this mean for our strategy? What should we do differently? Which opportunities should we pursue? Which threats require immediate attention?
Business conditions change constantly. Competitors make moves. Markets evolve. New technologies emerge.
A SWOT analysis is a snapshot in time. It should be refreshed regularly, especially before major strategic decisions. What was true six months ago may not be true today.
SWOT is just one of many strategic frameworks. Understanding when to use SWOT versus alternatives will make you more effective in case interviews and real consulting work.
Porter's Five Forces analyzes industry structure through five lenses:
Use Porter's Five Forces when you need to understand industry dynamics and competitive intensity. It answers "is this an attractive industry to be in?"
Use SWOT when you need to assess a specific company's position within its industry. It answers "how is this company positioned relative to competitors and market conditions?"
The two frameworks complement each other. Porter's Five Forces helps you understand the external environment (feeding into opportunities and threats), while SWOT also incorporates internal assessment.
The 3Cs framework examines Company, Customers, and Competitors. It ensures you consider all three perspectives when developing strategy.
Use the 3Cs when you need a balanced view of the strategic landscape that explicitly includes customer needs and competitive dynamics.
SWOT has significant overlap with 3Cs but structures the analysis differently. Company analysis in 3Cs maps to strengths and weaknesses. Competitor and customer analysis informs opportunities and threats.
PESTLE examines Political, Economic, Social, Technological, Legal, and Environmental factors affecting a business.
Use PESTLE when you need a comprehensive scan of the macro environment. It's particularly useful for companies considering international expansion or operating in heavily regulated industries.
PESTLE focuses exclusively on external factors, providing detailed input for the opportunities and threats portions of a SWOT analysis. SWOT is broader because it also includes internal factors.
Value chain analysis examines each step in how a company creates and delivers value, from inbound logistics through operations, marketing, sales, and service.
Use value chain analysis when you need to understand operational strengths and weaknesses or identify where costs can be reduced.
Value chain analysis provides detailed input for the strengths and weaknesses portions of SWOT, particularly around operational capabilities.
The BCG matrix categorizes business units or products based on market growth rate and relative market share, creating four categories: stars, cash cows, question marks, and dogs.
Use the BCG matrix for portfolio analysis when a company has multiple business units or product lines and needs to decide where to invest.
SWOT is more appropriate for analyzing a single business or strategic decision. The BCG matrix helps with resource allocation across a portfolio.
The Ansoff matrix examines growth options along two dimensions: existing versus new products and existing versus new markets. This creates four strategies: market penetration, product development, market development, and diversification.
Use the Ansoff matrix specifically for growth strategy decisions when you need to evaluate different paths to expansion.
SWOT can inform which Ansoff strategies are realistic given company capabilities, but the Ansoff matrix provides a clearer structure for evaluating growth options.
The ultimate purpose of SWOT analysis is to inform strategic action. Here's how to translate SWOT findings into concrete strategies.
Look for opportunities where your strengths provide a competitive advantage. These are the most attractive strategic options because you have the capabilities to win.
If you have a strength in product innovation and there's a market opportunity for new product categories, that's a natural fit. If you have strong distribution and competitors are struggling with supply chain issues, that's an opportunity to capture market share.
Sometimes your strengths can protect you from external threats. A strong brand can help weather economic downturns. Deep financial resources can survive price wars that eliminate weaker competitors.
Identify threats where your strengths provide a buffer, and ensure you maintain those strengths.
Some opportunities are attractive but inaccessible due to internal weaknesses. You may need to build new capabilities or address deficiencies before you can capture certain opportunities.
Evaluate whether the opportunity is worth the investment required to address the weakness. Sometimes it's better to focus on opportunities that align with existing strengths.
The most dangerous situations occur when weaknesses make you vulnerable to external threats. A weak balance sheet combined with economic uncertainty is a serious problem. Limited R&D capability combined with rapidly changing technology could be fatal.
These weakness-threat combinations deserve urgent attention. They represent existential risks that should be addressed before pursuing growth opportunities.
You cannot pursue every strategic direction simultaneously. Based on your SWOT analysis, identify the two to three most important strategic priorities.
Consider both the magnitude of potential impact and your ability to execute. A huge opportunity that you can't realistically capture is less valuable than a moderate opportunity that aligns perfectly with your capabilities.
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