A business plan is a written description of what your business does, who it serves, how it will make money, and what it needs to get started. You do not need a long document to benefit from one. A clear one-to-three page plan forces you to test your assumptions before you spend money on them.
Why write a business plan
- It shows you whether the idea works on paper before you commit savings or borrowing.
- It gives you a benchmark to measure progress against each quarter.
- Banks, investors and partners usually ask for one, and a clear plan makes those conversations faster.
The core sections
- Summary: what the business does, for whom, and why it is needed, in a few sentences.
- Customers: who buys, what problem you solve for them, and how you know they want it.
- Products and services: what you sell, what it costs you to deliver, and what you charge.
- Market and competitors: how many potential customers exist locally or online, and who else already serves them.
- Marketing and sales: how customers will find you and how they will buy.
- Operations: the people, premises, equipment and suppliers you need.
- Finances: start-up costs, monthly running costs, expected sales, and when you expect to break even.
Build the numbers first
Most plans fail in the finance section, not the idea. Start with the cost of delivering one sale, then add your fixed monthly costs such as rent, software and insurance. Divide fixed costs by the profit you earn per sale to estimate how many sales you need each month to break even.
For example, if you earn 500 profit per customer and your fixed costs are 15,000 a month, you need about 30 paying customers each month just to cover costs. If that number looks unrealistic, change the price, the cost structure or the plan before you launch.
Test before you commit
- Talk to 10 to 20 potential customers and ask what they currently pay and what frustrates them.
- Offer a small pre-sale or pilot before buying equipment or signing a long lease.
- Set a date to review the plan, and write down the numbers that would make you stop or change direction.
Keep it short and current
A plan is a working tool. Update it every quarter with actual sales and costs. Replace guesses with real figures as soon as you have them, and keep the version you use day to day in one place.
Frequently asked questions
How long should a business plan be?
For a small business, one to three pages is usually enough. Longer plans are common for lenders and investors, but the core questions stay the same.
Do I need a business plan if I’m a sole trader?
Yes, in a simpler form. Even a one-page plan that covers your customers, prices, costs and break-even point helps you make better decisions.
What is the most common mistake in a business plan?
Overestimating sales and underestimating costs. Use conservative sales figures, include every regular cost, and leave a margin for delays and surprises.
This article is for general information only and does not replace advice from a qualified accountant or business adviser.
