Most first-time founders treat a business plan as homework for investors. That’s the wrong way to look at it. A good plan is a way of finding out, cheaply and on paper, whether your idea survives contact with reality.
The stakes are real. One widely cited CB Insights analysis of founder post-mortems found that 38% of failed startups ran out of cash or couldn’t raise more, and 35% cited no market need. CB Insights’ own chief argued that running out of cash is usually a symptom of a deeper problem with the team, product or business. Both failure modes are things a plan can expose early. Figures vary between editions of the report, so treat the exact percentages as a rough guide.
Here’s how to build one that does its job.
Start with one page, not forty
Write a one-page statement: who your customers are, what problem you solve for them, how you plan to make money from it, and what resources you need to start. If you cannot write a clear page, forty pages will just cover up the holes. Founders often linger on this phase longer than they would like, which is actually a good sign.
Define the customer before the product
Identify the particular individual or organization having the problem. Small businesses are not customers. Independent dental clinics with two to five dentists are.
Speak to them next. Try to have at least 15 to 20 such discussions before writing the next section. Find out what their current solution is, how much it costs them, and what other efforts they have undertaken. Do not sell here. You are trying to find out proof of the problem, and even more importantly, of people paying to solve it.
Size the market with honest numbers
Investors have seen the “if we capture 1% of a $50 billion market” line too many times. Instead, work bottom-up: how many customers can you realistically reach, at what price, per year? A small, credible number beats a large, imaginary one.
Look at competitors, including the boring ones
Identify your competitors directly, but also the alternatives that customers are using now such as spreadsheets, hiring a freelancer, or not using a software at all. Sometimes your actual competition might be inertia. Identify what makes each alternative better than you, and how each alternative falls short of meeting customers’ needs. If your answer is that “we are slightly cheaper,” rethink again.
Explain how the money works
This is the section many first plans skim over, and it’s the one that matters most. Cover:
- Revenue model: subscriptions, one-off sales, commissions or something else
- Pricing: and why that number, based on what customers pay now
- Unit economics: what it costs to win a customer and what that customer is worth over time
If the cost of acquiring a customer exceeds what they’ll ever pay you, no amount of growth will fix it.
Say how you’ll find customers
“We’ll use social media” is not a go-to-market plan. Pick one or two channels, explain why they suit your customer, and set a small test budget with a clear success measure. Be ready to drop a channel that doesn’t work.
Show who’s doing the work
Introduce the team, their relevant experience and the gaps you still need to fill. Investors know early teams are incomplete. They respond better to a founder who names the missing skill and has a plan for it than to one who claims to cover everything.
Build the financials last, and keep them simple
Projecting three to five years in detail is mostly guesswork. Instead, build:
- A 12-month cash flow forecast, month by month, which is where most plans fail first
- A basic profit-and-loss projection for three years
- A break-even point, meaning how many customers or sales you need to cover costs
- A funding ask, with a clear breakdown of how the money gets spent
List your key assumptions beside every number so a reader can challenge them. Then calculate your runway: how many months you can operate before cash runs out. Many advisers suggest planning for 18 to 24 months.
Write the executive summary at the end
It comes first in the document, but write it last. By then you know your own story. Keep it to one page that a busy reader could act on.
Common mistakes worth avoiding
- Writing to impress instead of to learn. Inflated projections fool no one, least of all you.
- Ignoring risks. List the three biggest and how you’d respond. It builds trust.
- Treating the plan as finished. Review it every quarter against real results and revise it.
- Skipping the customer conversations. No template can replace them.
The bottom line
A business plan will not guarantee success, but it will make you face the tough questions before the price of mistakes is high. Make your business plan to test yourself first and convince others second.