Planning Your Idea

Writing a One-Page Business Plan

A lean one-page plan format that forces clarity on customers, offer, marketing, costs and next steps, plus tips for when a short plan is enough.

On this page
  1. Why one page
  2. A simple layout
  3. A hypothetical example
  4. Tips for writing it
  5. Checking the numbers
  6. Keeping it alive
  7. Limits of a short plan

Why one page

A long document can hide fuzzy thinking behind many words. A single page cannot. If you must say who you serve, what you offer and how you will earn money in a few lines each, vague answers become obvious. That is the main benefit of a one-page plan: quick clarity, at low cost, that you can revise in minutes.

It suits several situations: an early idea you are still shaping, a very small or simple business, a conversation with a mentor or partner, or an update to a longer document that has become stale. It does not replace the detail a lender or investor may require, and many will ask for more. It is a starting point you can expand from.

A simple layout

You can use a plain page, a table or a few boxes. The headings below are a common arrangement. Aim for a couple of sentences or a few bullet points under each, and stop when the page is full.

  1. The business in one sentence. What you do, for whom, and the main benefit.
  2. Customers. Who exactly they are, and where you can find them. Defining your target market in specific terms matters more than any other line here.
  3. Problem and offer. The problem they have and what you will sell to address it. List the two or three main products or services, not every variation.
  4. Why you, why now. What makes your offer different from what they can already buy, and what makes you able to deliver it. If you can say it crisply, this is your unique selling proposition.
  5. How customers will find and buy. Two or three channels you can really manage, and how a sale happens, from first contact to payment.
  6. Money in. Prices and a modest estimate of how many sales you expect in a typical month. Label these as assumptions.
  7. Money out. The main costs: supplies, rent, tools, insurance, any paid help, and some pay for yourself. Separate one-time startup costs from monthly ones.
  8. Goals for the next 90 days. Three or so specific, dated objectives.
  9. Biggest risks and unknowns. What could stop this working, and what you will check first.

A hypothetical example

This is an invented example to show the format, not a recommendation or a forecast.

One sentence: A neighborhood dog-walking service for people who work long hours, offering reliable midday walks.

Customers: Working dog owners within a short distance of my home; found through local notice boards and neighbors.

Problem and offer: Dogs are alone for long stretches. I offer 30-minute midday walks, booked weekly.

Why me: Experience with dogs; flexible schedule; clear updates after each walk.

Finding and buying: Flyers, word of mouth, and a simple booking message. Payment is due at the end of each week.

Money in: Price per walk of $20 (an assumption to test). If I do 5 walks a day, 5 days a week, over 4 weeks, that is 100 walks, or $2,000 in a month, before costs. That would be a good month; early months will likely be lower.

Money out: Insurance, leashes and supplies, transport, flyers, and a small buffer. Exact figures to be checked locally.

90-day goals: Find out which local rules or licenses apply by the end of week 2; sign up three regular clients by the end of month 1; reach ten regular clients by the end of month 3.

Risks: Fewer clients than hoped; bad weather; liability if a dog is injured. Check insurance options first.

The arithmetic: 5 walks times 5 days is 25 walks a week, and 25 times 4 weeks is 100 walks. At $20 each, that is $2,000. The figure is an upper-end illustration, since it assumes steady, full bookings.

Tips for writing it

  • Use plain words. If you cannot say it simply, you may not yet understand it well enough.
  • Prefer specifics. “Dog owners who work full time within two miles” says more than “pet lovers.”
  • Mark guesses. Put a question mark or “assumption” next to anything untested.
  • Write it quickly. Give yourself an hour for a first draft. You can refine later.
  • Show it to someone. A friendly reader who asks “but how will you find customers?” is doing you a favor.

Checking the numbers

Even on one page, take care with the money lines. Make sure your prices exceed your costs per sale and that you have counted your own time. Once you have a rough idea of fixed and variable costs, a quick break-even point calculation tells you how many sales you need just to cover them. Also think about when the money arrives compared with when you pay bills, because cash flow gaps catch many new owners off guard. Neither of these guarantees that your estimates are right, only that you have examined them.

Keeping it alive

Pin the page somewhere you will see it. Revisit it monthly, update the assumptions you have tested, and replace the 90-day goals when they are done. When you notice that you need more room, say, to explain a loan request or a partnership, grow the page into a fuller business plan, section by section. If you want a visual alternative, the business model canvas covers similar ground in a diagram.

Limits of a short plan

A one-page plan is a thinking tool. It cannot predict results, and it leaves out detail on regulations, taxes and legal structure, which vary by place and may need advice from a qualified professional. Use it to get started and to keep your direction clear, then add depth as the business grows and the questions get harder.

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