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What is a SWOT analysis

Full name: Strengths, Weaknesses, Opportunities, Threats

Also known as: SWOT

Definition

SWOT analysis is a one-page review of a business: its strengths and weaknesses inside, and the opportunities and threats outside it.

Why it matters

Four lists describe a business, they do not decide anything.

Common mistakes

Filling the boxes with opinions instead of facts that a customer or a number would confirm.

Related terms

Worked exampleIllustration

The SWOT sheet of a fictional café

Strengths

  • Regulars who come every day
  • Pastries baked in house

Weaknesses

  • Little seating
  • No delivery
  • The owner does all the ordering

Opportunities

  • An office building opening across the street
  • People working from home who need a seat

Threats

  • A chain opening at the corner
  • Capsule coffee at home
  • Bean costs in foreign currency

TOWS: the four moves

  1. Strength and opportunity A morning pastry and coffee pre order for the staff of the new office building.

  2. Weakness and threat A work corner and a loyalty card, in place before the chain opens.

  3. Strength and threat The in house pastries on the menu board, something a chain cannot copy.

  4. Weakness and opportunity Delivery through an app, only to the office building across the street.

Four lists are a description. The four lines between them are the plan.

Source: The matching step as described in Heinz Weihrich, "The TOWS Matrix: A Tool for Situational Analysis", Long Range Planning, 1982

Illustration

Four lists, four lines between them

The pastries meet the new offices: a morning pastry and coffee pre order for their staff.⁨Inside⁩⁨Outside⁩⁨Strengths⁩⁨Daily regulars⁩⁨Pastries baked in⁩⁨house⁩⁨Weaknesses⁩⁨Little seating⁩⁨No delivery⁩⁨Opportunities⁩⁨from PESTEL⁩⁨Offices opposite⁩⁨Home workers need⁩⁨a seat⁩⁨Threats⁩⁨from five forces⁩⁨A chain at the⁩⁨corner⁩⁨Capsule coffee at⁩⁨home⁩

Strength + opportunity: The pastries meet the new offices: a morning pastry and coffee pre order for their staff.

Inside on top, outside below. Each TOWS line matches one box with another and turns the pair into a move.

Definition

SWOT analysis sorts what you know about a business into four boxes. Strengths and weaknesses are inside the business, things the owner can change. Opportunities and threats are outside it, in the market and the wider world. A strength counts only next to competitors and to what customers value: good service is a strength only if customers choose you for it over the café next door. SWOT grew out of strategic planning work in the 1960s, and its exact origin is disputed. A 2023 historical study traces its forerunner, called SOFT, to the Stanford Research Institute and finds little support for the popular stories that credit Harvard Business School or Albert Humphrey.

Why it matters

The value comes from matching the boxes: which strength can take an opportunity, and which weakness a threat will hit first. Heinz Weihrich called this matching step the TOWS matrix in 1982, and it turns the review into a short list of moves. A five forces review and a PESTEL scan feed the opportunities and threats boxes, so the outside view is not guesswork.

Directly related: Business Strategy, PESTEL, Porter's Five Forces.

Improvement tips

  • Write each point as a fact you can check, such as "regulars come every day", not "great atmosphere".
  • Test every strength against the competition: would a customer pick you over the next option because of it?
  • Fill the opportunities and threats from a five forces review and a PESTEL scan, not from memory.
  • Finish with TOWS: one move for each pairing of a strength or weakness with an opportunity or threat.

Common mistakes

  • Stopping at four lists without matching them into moves.
  • Listing a strength that every competitor also claims, such as good service.
  • Putting inside problems, like a staff shortage, under threats, when they are weaknesses.
  • Doing it once and filing it, while the market around the business keeps moving.

Related terms

StrategyBeginner

Business Strategy

Business strategy is the set of choices about which customers to serve, how to win them and what not to do, so money and time go where they count.

StrategyIntermediate

PESTEL

PESTEL is a checklist of six outside forces that can change a business: political, economic, social, technological, environmental and legal.

StrategyIntermediate

Porter's Five Forces

Porter's Five Forces is a model that shows who takes the profit in an industry: rivals, new entrants, substitutes, buyers and suppliers.

StartupsIntermediate

Moat

A moat is a lasting advantage that stops competitors from copying a business and taking its customers, such as switching costs, a network effect or lower costs.

Quick check

Which parts of a SWOT analysis look at things outside the business?

Choose an answer

Frequently asked questions

What is a SWOT analysis?
A short review that sorts a business into four boxes: what it does well, where it is weak, what in the market could help it and what could hurt it. It is a base for deciding what to do next, not a report to file.
What does SWOT stand for?
Strengths, Weaknesses, Opportunities and Threats. The first two are about the business itself, the last two about the world around it.
What is the difference between internal and external factors in SWOT?
Internal factors are things you can change, like your team's skills or a lack of seating. External factors happen outside the business, like a new office building nearby or a chain opening at the corner.
What is TOWS?
The step that turns the four boxes into moves: you match strengths with opportunities, and weaknesses with threats. Heinz Weihrich described it as the TOWS matrix in 1982.
What makes something a real strength?
It has to matter to customers and be better than what the competitor next door offers. If every business in your street says it has good service, good service is not your strength.
What is the difference between SWOT and PESTEL?
PESTEL scans only the outside world, in six headings from politics to law. SWOT looks inside and outside together. What a PESTEL scan finds goes into the opportunities and threats boxes of the SWOT.
How do I do a SWOT analysis for my business?
Draw four boxes on one page. Write two or three checkable facts in each box, then draw a line from each strength to an opportunity it can take and from each weakness to a threat it exposes. Each line becomes one move.
How long does a SWOT analysis take?
For a small business, one sitting of about two hours is enough for a first version. Keep the top three points in each box so the page stays readable.
How often should I update my SWOT analysis?
Once a year is usually enough, and sooner when something big changes around you, such as a new competitor or a road closed for works.
Is doing a SWOT analysis complicated or risky?
Not complicated. The risk is filling it with opinions, which can lead to confident bad decisions. Check each point with a customer's words or a number before it goes on the page.
Who invented SWOT analysis?
Nobody knows for sure. A 2023 study in Long Range Planning traces its forerunner, SOFT, to planning work at the Stanford Research Institute in the 1960s, and finds the popular stories that credit Harvard or Albert Humphrey weakly supported.
Do I need a business consultant to do a SWOT analysis?
No, you and your team can do it yourselves. An outside view helps when everyone in the room agrees on every strength, because that is often where opinions have replaced facts.

Sources: Richard W. Puyt, Finn Birger Lie and Celeste P. M. Wilderom, "The origins of SWOT analysis", Long Range Planning, vol. 56, no. 3, 2023, Heinz Weihrich, "The TOWS Matrix: A Tool for Situational Analysis", Long Range Planning, vol. 15, no. 2, 1982, pp. 54-66

Last reviewed: 2026-09-25

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