1. Validate the problem before writing code
Talk to people who have the problem. Find out what they use today, what it costs them and whether they would pay to replace it. A few honest conversations and some early commitments tell you more than a long feature list.
2. Decide what goes in the MVP
MVP stands for minimum viable product: the smallest version that real customers can use and pay for. Pick one customer type and one core job, and leave everything else for later.
Some things still belong in the first version, because they are hard to add afterward.
- Keep
- Tenant data separation, accounts and roles, payment, backups and basic monitoring.
- Postpone
- Single sign-on, advanced reporting, a public API and most settings, unless your first customers require them.
3. Write down the scope and architecture
A short specification saves more time than it costs. Record the features, what is out of scope, the tenancy model, the pricing model and where data will be hosted. Our SaaS architecture guide covers the main choices.
4. Choose the stack for the team, not the trend
Most mainstream web frameworks and managed databases can support a SaaS product well. What matters more is that your team can hire for the stack and maintain it. Use established providers for login, payments and email unless you have a strong reason not to.
5. Build in short cycles
Work in cycles of a week or two, and put working software on a staging environment at the end of each. Early customers should see it as soon as it is usable, because their reactions will change your priorities.
6. Test what matters most
Automate tests around the things that would hurt most if they broke: billing, permissions and tenant separation. Have someone try to read another customer's data. Check that backups can actually be restored.
7. Launch to a small group first
Start with a small group you can talk to directly. Watch where they get stuck during onboarding, and fix that before spending on marketing. Decide how support requests will be handled before they arrive.
8. Measure and keep improving
After launch, track activation, retention, churn and revenue per customer. They tell you whether to work on getting customers, keeping them or charging differently. Enterprise features can be scheduled when real deals call for them.
Common questions
Can I build a SaaS product without a technical co-founder?
Yes, with a development partner, but keep ownership of the code and accounts, and have someone independent available to review key decisions.
Should I use no-code tools?
They can be useful for testing demand. Check their limits on data separation, cost at scale and moving away before building your business on one.
How long does it take?
Published agency estimates for an MVP range from about two months to seven, because scope varies so much. Our cost guide covers what drives the difference.
Looking for help with this? See SaaS development.