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SaaS Product Development From MVP to Paying Users

Building the software is only part of shipping a SaaS product. You also need signup and onboarding, subscription billing that handles upgrades and failures, an admin view of what users are doing, and a marketing site that turns interest into trials. We build all four — and we have shipped live SaaS products in AI research, interview coaching, image generation and automated reporting.

What You Get

Included as standard on every engagement — not an upsell list.

An MVP scoped to prove the core value

We identify the one thing your product must do better than the alternatives and build that first, properly. Everything else waits until real users have told you it matters, which is cheaper than building a roadmap on assumptions.

Multi-tenant data architecture

Accounts, workspaces, team members and per-plan limits designed from the start, with strict data isolation between tenants enforced at the data layer. Retrofitting proper tenancy onto a single-user prototype is one of the most expensive rewrites there is.

Subscription billing that survives real life

Stripe subscriptions with trials, plan changes, proration, coupons, failed-payment retries, dunning emails and cancellation flows. Plan entitlements are enforced in the product itself, so downgrades actually restrict access rather than just changing an invoice.

Onboarding that gets users to first value fast

Signup, verification, a guided first-run experience and sensible starter data so a new account is never an empty screen. Most trial churn happens in the first session, and this is where it is either prevented or guaranteed.

Admin and support tooling

An internal panel to view accounts, impersonate for support, adjust plans, issue credits and inspect activity. Without it, every support request becomes a developer request, and that cost grows with every customer you add.

A marketing site built to convert trials

Positioning, pricing page, feature pages and a signup path, built fast and SEO-ready on WordPress or Next.js. We routinely split the marketing site and the application across platforms and domains, which keeps each one easy to change.

Product analytics from day one

Signup, activation, feature usage, conversion and churn tracked from launch rather than added after a fundraising conversation. You need to know which features earn retention before you decide what to build next.

How We Deliver It

Stage by stage, with the approval points marked. SaaS Product Development follows the same rhythm on every project.

  1. Product and market definition

    We pin down the specific user, the job they are hiring your product for, the pricing model and what the first version must include to be worth paying for. Scope discipline here is what keeps an MVP an MVP.

  2. Architecture and platform choice

    Data model, tenancy, plan entitlements and integration points designed, then platform chosen: Bubble.io for fast iteration and early traction, a coded MERN and Next.js stack on Supabase or another Postgres where scale, code ownership or diligence requirements demand it.

  3. MVP build and private beta

    We build the core loop and put it in front of a small group of real users under an invite gate, watching behaviour rather than relying on stated preferences.

  4. Billing, onboarding and admin

    Once the core is validated we add subscriptions, entitlement enforcement, onboarding flows and the internal admin tooling that makes the product supportable at volume.

  5. Public launch and iteration

    Marketing site live, analytics verified, launch executed, then a steady cycle of improvements driven by activation and retention data rather than by whoever shouted most recently.

What You Receive

The concrete artefacts handed over at the end — files, access and documentation you keep.

  • Working SaaS application with authentication and account management
  • Multi-tenant data model with enforced isolation between accounts
  • Stripe subscription billing with trials, upgrades and dunning
  • Plan entitlements enforced inside the product
  • Onboarding flow with guided first-run experience
  • Internal admin panel with support impersonation
  • Marketing site with pricing and feature pages
  • Product analytics tracking activation, conversion and churn
  • Technical and user documentation plus handover session

Ideal for

If two or three of these sound like your situation, this is the right place to start.

  • You have a validated problem and need a product in front of users
  • You are a founder without an in-house engineering team yet
  • An internal tool you built is worth selling to others in your industry
  • A services business wants a productised, subscription version of its offer
  • You need billing, onboarding and admin, not just the core feature
  • You want the app and the marketing site delivered by one team

Tools we use

Standard, portable tooling. The licences, accounts and source stay in your name, so nothing here is a reason you cannot leave.

  • Bubble.io
  • Next.js
  • React
  • TypeScript
  • Node.js
  • Express
  • MongoDB
  • PostgreSQL
  • Supabase
  • Stripe
  • OpenAI API
  • Anthropic API
  • WordPress
  • Figma
  • GA4
  • GTM

Live projects where this work did the heavy lifting:

What we have written about this, in more depth than a service page allows:

Frequently Asked Questions

The questions we get asked most about SaaS Product Development.

On Bubble.io, a focused MVP covering one core workflow with authentication and basic billing typically takes eight to twelve weeks. Coded builds run longer. The determining factor is scope discipline: founders who insist on three user types and a mobile app in version one see timelines double. We push hard for a narrow first release because it gets you real feedback sooner.
Usually not, and we build them separately by default. Marketing pages need speed, SEO and frequent copy edits; the application needs workflows and a database. We commonly ship the marketing site on WordPress or Next.js with the product on an app subdomain — as with our reporting SaaS and hybrid Next.js builds. Each side can then change without risking the other.
Yes, and it is more work than most founders expect. Beyond taking payments there are trials, plan changes with proration, coupons, tax handling, failed-payment retries, dunning emails, cancellation and reactivation. Crucially, plan limits must be enforced inside the product so downgrades really restrict access. We implement this with Stripe and test each state before launch.
We build with that transition in mind. Coded projects ship with documented repositories, environment setup notes and a clean commit history so an incoming team can take over. Bubble projects come with a documented schema and organised workflows, and we help plan a staged migration if you outgrow the platform. We are also happy to work alongside your first hires during the handover.
No. We work on a fee basis, which keeps the relationship straightforward and our incentives aligned with delivering the specific product you need. What we do offer is phased scoping so budget goes to the version that proves the idea first, then to expansion once there is evidence. Most of our product clients stay with us for two years or more.

Ready to start on SaaS Product Development?

Send us the brief — or just the problem. You will get a written scope, a timeline and a fixed price, usually within one working day.