How to Write a Business Plan

A practical guide focused on what actually matters

Why Write a Business Plan?

A business plan is not a 50-page document you write once and forget. It's a thinking tool that forces you to answer the hard questions about your business before you invest time and money. The process of writing it is more valuable than the document itself.

You need a plan if you're seeking funding (investors and banks require one), but even if you're self-funding, working through these questions dramatically increases your chances of success.

The Essential Sections

1. Executive Summary

One page. Write it last. It should answer: what does your business do, who is your customer, how do you make money, and what do you need (funding, partners, etc.)? If someone reads only this page, they should understand your business.

2. Problem & Solution

What problem does your business solve? How are customers currently dealing with this problem? Why is your solution better? Be specific — "people need better software" is vague. "Small restaurants spend 5 hours/week manually managing inventory" is concrete.

3. Target Market

Who is your ideal customer? How many of them exist? How much do they currently spend solving this problem? Be specific about demographics, behaviors, and geography. "Everyone" is not a target market.

4. Revenue Model

How do you make money? What do you charge? How do customers pay? What's your pricing compared to alternatives? This section should include realistic revenue projections based on market size and conversion assumptions.

Estimate your startup costs before building financial projections.

Open Startup Cost Estimator →

5. Financial Projections

Minimum viable financials: startup costs, monthly burn rate, break-even timeline, and 12-month cash flow projection. Don't fabricate 5-year projections with hockey-stick growth — investors see through it. Be conservative and show your assumptions.

Project your cash position for the next 12 months.

Open Cash Flow Forecaster →

6. What to Skip

Unless you're writing for a bank or investor, skip: lengthy industry analysis (you already know your industry), detailed organizational charts (it's probably just you), and long-term projections beyond 12–18 months (they're fiction anyway). Focus on the sections that help you make better decisions.

The best business plan is one page that you actually use, not 50 pages collecting dust. Update it quarterly as your understanding of the market evolves.

Frequently Asked Questions

How long should a business plan be?
For internal use: 1–5 pages. For bank loans: 10–20 pages. For venture capital: often a pitch deck (10–15 slides) plus a more detailed plan on request. Length should match the audience and purpose.
Do I need a business plan to start?
You need to think through the core questions (problem, customer, revenue model, costs). Whether that's a formal document or notes on a napkin depends on whether you need external funding. The thinking matters more than the format.