Get paying users before you hire an engineering team.
A SaaS MVP needs to do one valuable thing well, let people sign up and, when you are ready, let them pay. We build that core — plus the admin you need to run it — and nothing that doesn't help you learn.
Ideal for
- Founders validating a subscription idea
- Industry experts who know a workflow is broken
- Startups preparing for a fundraising conversation
What it does, and why it matters
Feature: Sign-up and onboarding
New users reach the valuable moment quickly
More trials turn into active users
Feature: Subscriptions and billing
Plans, trials and invoices handled by Stripe
You can charge from launch day
Feature: Admin and analytics
You see who uses what and can support them
Decisions based on behaviour, not guesses
SaaS Products we build
Vertical SaaS
Software for one industry's specific workflow — the one generic tools get wrong.
Analytics products
Dashboards that turn a customer's data into decisions they can act on.
Subscription platforms
Memberships, content or services billed monthly with self-serve management.
B2B portals
Where your customers log in to order, track, approve or collaborate.
Productivity software
Focused tools that remove a painful step from someone's working day.
What it usually costs
A single-workflow SaaS fits the 14-Day Build. Multi-role products with billing tiers fit the 21-Day Launch.
Building blocks we use
- Next.js + TypeScript
- Postgres
- Stripe Billing
- Auth with teams and roles
- Product analytics
14-Day Build
$2,700
A real product with several workflows, an admin side and the integrations it needs to work.
- Up to 3 core workflows
- Up to 12 screens
- User + admin roles
Your product gets its own written scope and fixed price before anything starts. Compare packages
Products we've built in this area
Built in-house by MVP Ninja Labs. Each concept build walks through the problem, the cut, the screens and the architecture.

Mise
Vertical SaaS · food safety
Food-safety compliance for independent restaurants — temperature logs, cleaning, allergens and inspection-ready reports.

Keel
Internal BI · SME operations
One screen that tells an SME owner how the business is really doing — and explains anything unusual in plain English.
Common questions
Why not build it myself with Lovable, Bolt or Cursor?
For a quick prototype, you should. They're great for testing a screen or a flow. The gap shows up when real people use it: sign-in that holds up, payments, data you can't afford to lose, errors you hear about, and code a developer can keep building on. That's the part we do. If you've already built a prototype, send it with your brief. It's a useful starting point.
Can this scale after the MVP?
An MVP is built for its first users, not its millionth — but it is not throwaway. We use mainstream, well-supported technology (typically TypeScript, React, Next.js, Postgres and managed cloud services) and clean structure, so your team or ours can extend it rather than start again.