Business plan template
SaaS Business Plan Template
Updated · Team Fonda
Short answer
A SaaS business plan has ten chapters: Executive Summary, Problem & Opportunity, Solution & Product, Market Analysis, Competition & Differentiation, Business Model, Operations & Technology, Team & Organization, Financial Plan, and Risks & Mitigation. What makes it a SaaS plan is the math in the middle: recurring revenue, churn, the cost to win a customer and how long that customer takes to pay it back.
Key takeaways
- Readers of a SaaS plan look for three things first: who pays, why they keep paying, and how you reach them at a cost that makes sense.
- Build your revenue forecast from customers and churn, month by month, not from a share of a big market.
- State every number as an assumption with the evidence behind it, and say how you will test the weakest one.
- If you have no revenue yet, interviews, a waitlist and paid pilots are the evidence that belongs in the plan.
Who reads a SaaS business plan and what they look for
Software as a service (SaaS) means customers pay a recurring fee to use software you host. That recurring fee changes what readers care about. A restaurant plan is judged on location and food cost. A SaaS plan is judged on whether subscribers arrive, stay and pay more than they cost to win.
| Reader | What they look for first |
|---|---|
| Angel investors and early-stage funds | A painful problem, a reachable first customer group, early retention, and a founder who knows the numbers |
| Accelerators and grant programs | Clear problem evidence, a realistic next milestone, and what the money will be spent on |
| A possible co-founder or first hire | Whether the plan is thought through, what is already proven, and what their role would be |
| You | Which assumption could kill the business, and the lowest-cost way to test it before you write more code |
Investors often ask for a pitch deck before a full plan. The plan is still worth writing, because the deck is a summary of it. If you cannot fill in the Business Model and Financial Plan chapters, the deck will have the same holes.
The 10-chapter SaaS business plan outline
Use these ten chapters in this order. Fonda's business plan uses the same 10-chapter structure, with sources, and you can read example plans at /tools/business-plan.
| Chapter | What to write for a SaaS business | Questions to answer |
|---|---|---|
| 1. Executive Summary | One page, written last. The customer, the problem, the product, the price, what you have proven and what you need. | Who pays you and how much per month? What evidence do you have today? What is the next milestone and what does it cost? |
| 2. Problem & Opportunity | The job your customer does badly today and what it costs them in time, money or errors. Use what people told you in interviews. | Who has this problem often enough to pay monthly? What do they use now (often a spreadsheet)? Why is now a good time to solve it? |
| 3. Solution & Product | The smallest product that solves the problem, the one workflow it replaces, and what is built so far. | What is in the first version and what is left out? How fast does a new user get value? What is on the roadmap for the next two releases? |
| 4. Market Analysis | A bottom-up count of companies or people who fit your customer profile, multiplied by your yearly price. | How many customers fit your profile, and where did you get that count? Which segment do you sell to first? Is the segment growing? |
| 5. Competition & Differentiation | Direct competitors, older tools, and doing nothing. Say why a customer would switch to you. | What do customers pay competitors now? What do reviews of those tools complain about? How hard is it to move data to your product? |
| 6. Business Model | Pricing tiers, billing period, how customers find you, and the unit economics per customer. | What is the price and what is it based on (seats, usage, flat fee)? Is there a free plan or trial? What does it cost to win one customer? |
| 7. Operations & Technology | How the product is built, hosted and supported, and what you rely on from other companies. | What does it cost to serve one customer per month? How do you handle security, backups and customer data? Who answers support? |
| 8. Team & Organization | Who builds, who sells, what is missing, and when you will hire. | Can the current team ship and sell the first version? Which role is the gap? How is equity split and vested? |
| 9. Financial Plan | A monthly forecast for 24 to 36 months built from new customers, churn and price, plus costs and cash. | When does monthly revenue cover monthly costs? How much cash do you need to get there? What happens if growth is half your plan? |
| 10. Risks & Mitigation | The assumptions most likely to be wrong and what you will do about each. | What if customers leave faster than planned? What if a larger company adds your feature? What if your main channel stops working? |
For the Market Analysis chapter, the free TAM SAM SOM calculator walks you through the bottom-up count. For Solution & Product, keep the first version small. The guide on how to build an MVP explains how to decide what to leave out.
Key numbers a SaaS plan needs
Name each metric, show the formula and state your assumption. Do not copy a benchmark from another company. Averages vary a lot by price point and customer type, and a reader will trust your own early data more than a borrowed figure.
| Metric | How to calculate it | Why the reader cares |
|---|---|---|
| Monthly recurring revenue (MRR) | Add up what all active subscribers pay per month. Divide annual plans by 12. | It is the base every other number builds on |
| Annual recurring revenue (ARR) | MRR x 12 | The standard way to state the size of a subscription business |
| Customer churn rate | Customers who cancelled in the month / customers at the start of the month | Shows whether the product keeps solving the problem |
| Average revenue per account | MRR / number of paying accounts | Tells you how many customers you need to reach a revenue goal |
| Gross margin | (Revenue - hosting, third-party services, payment fees, support) / revenue | Shows how much of each dollar is left to pay for growth |
| Customer acquisition cost (CAC) | Sales and marketing spend in a period / new customers won in that period | Shows what growth costs |
| Lifetime value (LTV) | Average revenue per account x gross margin / monthly churn rate | Sets the ceiling on what you can spend to win a customer |
| CAC payback period | CAC / (monthly revenue per account x gross margin) | Shows how many months of cash each new customer ties up |
| Runway | Cash in the bank / net monthly burn | Tells the reader how long you have to hit the next milestone |
Before launch these are assumptions. Label them that way and say what evidence each one rests on.
You can check your arithmetic with the MRR calculator, the CAC payback period calculator and the startup runway calculator. If the word is new to you, the glossary explains churn rate with a worked example.
Example chapter: Business Model
This is an example
Rota Desk is an imaginary business invented for this page. Every figure below is an illustration of how to write the chapter, not data about a real company or a typical result.
Customer and price. Rota Desk sells staff scheduling software to independent dental clinics with 5 to 20 employees. The price is a flat $79 per clinic per month, or $790 per year paid upfront. We chose a flat fee because clinic managers told us in 14 interviews that per-seat pricing makes them remove part-time staff from the tool.
How customers find us. The first channel is direct outreach to clinic managers, followed by a 30-day free trial with setup help. The second is referrals from two dental bookkeeping firms that have agreed to mention us to clients. We will not run paid ads until trial-to-paid conversion is measured on at least 50 trials.
Unit economics (assumptions). We assume it costs $9 per month to serve a clinic (hosting, text message reminders and payment fees), which leaves $70 of gross profit per clinic per month, a gross margin of about 89%. We assume a CAC of $420, based on the hours spent to close our first 6 pilot clinics. That gives a payback period of 6 months ($420 / $70). If monthly churn is 2%, lifetime value is $3,500 ($70 / 0.02).
What we will test next. Churn is the weakest assumption because no pilot clinic has been a customer for more than four months. We will report churn monthly and revise this chapter after six months of data.
Mistakes that sink SaaS business plans
- Sizing the market from the top down. "We only need a tiny share of a huge market" tells the reader nothing. Count the customers you can name and reach.
- A revenue curve with no channel behind it. Each month's new customers must come from somewhere: outreach, content, partners, ads. Show the activity that produces the number.
- Leaving churn out of the forecast. A forecast where nobody cancels overstates revenue more each month. Put a churn assumption in from month one.
- Counting free users as traction. Signups show interest. Paying customers and people who keep using the product show demand. Report them separately.
- Ignoring the cost to serve. Hosting, support time and usage-based services such as AI models or text messages can grow with every customer. Include them in gross margin.
- Describing features instead of the problem. A long feature list hides whether anyone needs the product. Lead with the problem and the evidence.
- Assuming a short sales cycle. Selling to businesses can take weeks or months from first call to payment. Ask early prospects how they buy software and plan cash around their answer.
If you are still working out the steps before the plan, the guide on how to start a SaaS company covers the order to do things in.
Frequently asked questions
How long should a SaaS business plan be?
Long enough to cover the ten chapters with evidence, and no longer. For an early-stage company, aim for something a reader can finish in one sitting, plus a financial spreadsheet. A reader should be able to get the main points from the Executive Summary alone.
Can I write a SaaS business plan before I have any customers?
Yes. Replace revenue data with the evidence you do have: customer interviews, a waitlist, letters of intent or paid pilots. Mark every metric as an assumption and say how and when you will measure it.
What pricing should I put in the plan if I have not launched?
Use the price you have tested in conversations. Ask prospects what they pay for their current solution and whether they would pay your price, then note how many said yes. One tested price is more useful to a reader than three untested tiers.
How far ahead should the financial forecast go?
Forecast two to three years, by month. The first 12 months matter most because they rest on assumptions you can test soon. Treat later years as a direction, not a prediction.