ARS Business Guides
How to Write a Business Plan: 9 Sections, a Worked Example and a Checklist
A plan is not paperwork. It is the cheapest way to find out whether your idea can earn money before you spend any.
What is a business plan?
A business plan is a short document that explains what you will sell, to whom, how you will reach them and how the money will work. Banks, investors, landlords and partners read it to decide whether to trust you. You read it to decide whether to go ahead.
The 9 sections every plan needs
Two or three sentences: the problem, your product, your customer and what you need.
What pain do customers have today, and how is your product better?
Who exactly will buy, how many are there in your area and how much do they spend now?
Who else serves them? Compare price, quality, location and service honestly.
How customers will find you, what it costs to win one and why they will return.
Place, equipment, suppliers, staff and the licences you need.
Who does what, and which skills you still need to hire or borrow.
Start-up cost, monthly costs, prices, expected sales, break-even and a 12-month cash forecast.
What could go wrong, your plan B and the first 90 days.
A worked example: a neighbourhood bakery
Suppose a baker plans a small bakery. Instead of guessing, she writes down simple numbers. These figures are illustrative, to show the method.
| Item | Per month |
|---|---|
| Fixed costs (rent, two staff, power) | 60,000 |
| Average sale per customer | 150 |
| Ingredient cost per sale | 60 |
| Profit per sale (150 – 60) | 90 |
| Break-even sales (60,000 / 90) | about 667 customers |
That is roughly 22 customers a day. The plan now asks a testable question: can this street really bring 22 buyers every day? Learn the method in our guide to break-even analysis.
5 mistakes that sink plans
- Guessing the market. Check demand with real customers first. See primary vs secondary research.
- Ignoring acquisition cost. Work out customer acquisition cost before you set a sales target.
- A vague promise. Write a clear unique selling proposition.
- No cash buffer. Profit on paper does not pay salaries; plan three months of spare cash.
- Never updating it. Review the plan every quarter against real sales.
Trusted official resources
Registrations and schemes change, so always check the official source: Startup India, Ministry of MSME, Udyam Registration and, for a general template, the U.S. Small Business Administration guide.
Related guides
How to start an online business in 2027 | SWOT vs PESTLE analysis | Our business books | Ready-to-read market reports
Need evidence for your plan?
ARS Market Research, Chennai, tests demand with real customers before you invest.
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