Service

SaaS Development

Multi-tenant platforms with subscriptions, dashboards and the account infrastructure to support paying customers.

What you get

Built properly, from day one.

In depth

SaaS Development, explained.

01The problem

The expensive mistakes happen in month one.

In SaaS, the costliest decisions are made early: how customer data is separated, how accounts and roles work, and how billing ties into all of it.

Get them wrong and the fix is often a rebuild — right when paying customers are relying on the platform.

02Our approach

Tenancy, auth and billing decided first.

We settle the tenancy model, authentication and role-based access before building features, because everything else sits on top of them.

Billing is designed alongside accounts — subscriptions, trials, upgrades and usage-based pricing, usually with Stripe.

03Running the business

The tools behind the product.

A SaaS product needs an internal admin panel, product analytics and feature gating as much as it needs customer-facing features.

We build those in from the start so you can support customers and make decisions without digging through the database.

04What you walk away with

A platform ready for paying customers.

The platform launches with monitoring and the account infrastructure to support real customers, and you own the code, infrastructure and IP.

Already have an MVP? We audit what exists and extend what’s sound rather than defaulting to a rewrite.

How we help

Where this fits in your business.

Multi-tenancy

The tenancy model decided up front — the decision that’s most expensive to change later.

  • Data isolation per customer
  • Organisation and team accounts
  • Roles and permissions
What we build

SaaS Development: what we build.

B2B SaaS

Team accounts, roles and billing for business customers.

Usage-based products

Metering and pricing that scale with usage.

Internal platforms

Multi-team tools with the same SaaS foundations.

Subscription billing

Plans, trials, upgrades and invoices wired into accounts.

Admin consoles

The internal tools to support customers and run the business.

Marketplace platforms

Two-sided products connecting buyers and sellers.

How it works

  1. 01

    Scope

    A call to pin down the real problem, the constraints, and what v1 genuinely needs — then a written scope, cost and timeline.

  2. 02

    Design

    Flows and interfaces designed alongside the architecture, so nothing gets designed that can’t be built well.

  3. 03

    Build

    Iterative builds with a working demo every week — you see progress, not a black box until launch.

  4. 04

    Launch

    Deployed to production with monitoring in place, plus full repository and infrastructure handover.

  5. 05

    Iterate

    Real usage tells us what to improve next. Ongoing support is available, never required.

Related case studies

SaaS Development, shipped for real clients.

Live products where this service was part of the build.

Technology

What this is built with.

The real tools behind SaaS Development — not the full company stack, just what applies here.

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Next.js

PostgreSQL

Stripe

Supabase

Integrations

Tools and platforms we connect.

The services we build on and integrate with most often. Hover a tile to see its name.

Industries

Industries where this fits best.

Why Defox

Why teams build with us.

Senior

A small, senior team

Senior designers, engineers and AI specialists — not a roster padded with junior hires and account managers. Every project is led by the people who scoped it.

AI-first

AI-first, not AI-decorated

We use modern AI tooling throughout the build itself — from architecture to code — which is how a small team ships at a pace larger agencies can’t match. AI isn’t a feature we bolt onto client products for its own sake.

End-to-end

One team, full lifecycle

Strategy, design, engineering, and launch stay with the same team instead of being handed between vendors. You talk to the people building your product, not an intermediary relaying messages.

Yours to own

You own what we build

Full repository access and IP transfer at launch. We work for you, not as a dependency you have to keep paying to maintain access to your own product.

FAQ

SaaS Development: common questions.

Because it shapes the database, permissions and billing. Getting it right on day one avoids a costly rebuild once real customers are on the platform.

Let's Talk

Need SaaS Development?

Tell us what you're building — we'll scope it honestly, including if it's not a fit.